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  "markdown": "![Hazem Mensi - Aspen Certified Expert User](https://www.hazemensi.com/images/hazem_mensi-sm.webp)\n\nChemical Process EngineeringProcess Engineering\n\nChemical Process Engineering student at **INSAT (Institute of Applied Sciences and Technology)** and an **Aspen Certified Expert User** in Aspen HYSYS. Having completed 3 rigorous industrial engineering internships (**EPPM, Air Liquide, OMV**), I bring a verified technical background focused on the **Energy Industry, Chemical Plants, EPCs, Energy Transition, and Renewable Fuels**. Actively seeking a **4–6 Month Graduation Internship** starting **February 2027**.\n\n-   Aspen HYSYS® Certified Expert User\n-   API 520 / 521, ASME Sec VIII & Shell DEP\n-   Available for Graduation Internship (Starting Feb 2027)\n\nStrategic Target Sectors & Engineering Focus:\n\n-   Energy Industry & Hydrocarbons\n-   Chemical & Petrochemical Plants\n-   EPCs & Engineering Consultancies\n-   Energy Transition & CCUS\n-   Renewable Fuels & Clean H₂\n\n[](https://t.me/hazemensi \"Telegram @hazemensi\")[](https://www.linkedin.com/in/hazemensi \"LinkedIn Profile\")[\\[email protected\\]](https://www.hazemensi.com/cdn-cgi/l/email-protection#b3fbd2c9d6de9dfed6ddc0daf3daddc0d2c79dc6d0d2c19dc7dd \"Direct Email to Hazem Mensi\")\n\n|Tunis, Tunisia • Open to worldwide relocation and international rotation\n\nCore Engineering Arsenal\n\n## EPPM Industrial Engineering Competencies\n\n4 Core Disciplines • Feasibility to PMC\n\nAPI 520 / 521 Standard\n\nStandard Verified\n\n### Overpressure Protection & Relief Systems\n\nSafety Relief Valve (PSV) Sizing & Header Hydraulics\n\nExecution of critical relief valve and header line sizing for the Marsa El Brega gas treatment and processing plant project, adhering rigorously to international safety codes.\n\n-   Critical gas & liquid orifice sizing calculation sheets\n-   Inlet 3% pressure drop & outlet backpressure limits\n-   Gas processing plant detailed feasibility\n-   Process datasheets for relief valves & rupture disks\n\nProject: Marsa El Brega (Libya) • Client: Taknia (TLEC) / SOCCodes: API 520 Part I & II • API 521 / ISO 23251\n\nHYSYS Dynamics\n\nDynamic Model\n\n### Dynamic Simulation & Flow Assurance\n\nTransient Plant Sizing & Operations\n\nModeling complex unsteady-state behaviors to prevent pipeline blockage and surge vessel overflow during critical operations.\n\n-   Dynamic transient startup modeling & valve ramp rates\n-   Hydrate dissociation mitigation curves in HYSYS Dynamics\n-   Slug catcher dynamic surge reception & liquid level control verification\n\nSlug Catcher DynamicsHYSYS Upstream\n\nFLARENET & FKOD\n\nRadiation Validated\n\n### Blowdown & Flare Network Systems\n\nStaggered Depressuring & Radiation Analysis\n\nFlare network hydraulic ratings and thermal radiation safety modeling to prevent backpressure overloads and hazardous thermal fluxes.\n\n-   Staggered blowdown analysis & dynamic depressuring\n-   FLARENET header hydraulic backpressure & API 521 stack radiation analysis\n-   Flare Knock-Out Drum (FKOD) sizing & process datasheets\n\nStack Height & RadiationAspen Flare Analyzer\n\nPMC Auditing\n\nEPC Audit Completed\n\n### Oilfield PMC Auditing & Technical Governance\n\nDesign Basis, Separator Calculation Books & Hydraulics\n\nTechnical review and auditing on behalf of the project management consultant (PMC) for regional oilfield rehabilitation, verifying EPC contractor calculations.\n\n-   Process design basis & criteria document auditing\n-   Separator calculation books & datasheet verification\n-   PIPESIM multiphase hydraulics & pressure gradient review\n-   Technical Query (TQ) management & discrepancy logs\n\nProject: Naft Khana Rehabilitation (Iraq)Role: Process Engineering PMC Auditor\n\nIndustrial Experience, Verified Credentials & Design Standards Affiliations:Industry Experience & Affiliations:Continuous Verified Affiliations\n\nExperience•Chronological Engineering Trajectory\n\n## Industrial experience & career progression.\n\nA chronological progression of technical maturity – advancing across 3 industrial engineering internships: EPPM Gas Plant Detailed feasibility & PMC auditing, Air Liquide cryogenic operations, and OMV sour gas FEED.\n\nEngineering Progression TrajectoryChronological Progression (2026 – 2025)\n\nEPPM MilestoneJan – Aug 2026\n\n**EPPM Detailed Engineering**\n\nGas Plant Detailed Feasibility & Regional PMC Auditing\n\nAPI 520/521 & PMC8 Months • Done\n\nAir Liquide MilestoneJul – Aug 2025\n\n**Air Liquide**\n\nCryogenic Plant Operations & DCHE Column Retrofit\n\nPlant HSE & Revamp2 Months • Done\n\nOMV MilestoneJun – Jul 2025\n\n**OMV Production**\n\nNawara CPF Amine Sweetening Tie-In • 1.86 mol% CO₂ & 3500 kW Duty (FEED)\n\nNawara CPF Sweetening2 Months • Done\n\n1.  ![EPPM Official Logo](https://www.hazemensi.com/logos/eppm.png)\n\n    ### EPPM (ENGINEERING PROCUREMENT & PROJECT MANAGEMENT)\n\n    EPC Detailed Engineering & PMC Auditing · Completed\n\n    Process Engineering Intern • Tunis, Tunisia · Hybrid\n\n    Jan 2026 – Aug 2026 · 8 months\n\n    Detailed feasibility study engineering for gas treatment and processing facilities and PMC technical auditing for major regional oilfield rehabilitation.\n\n    #### Project 1: Detailed Feasibility Study of New Gas Plant at Marsa El Brega (Libya)\n\n    — Client: Client: Taknia Libya Engineering Company (TLEC) · Final Client: Sirte Oil Company (SOC)\n\n    -   ▪Delivered process feasibility study engineering for Client: Taknia Libya Engineering Company (TLEC) & Final Client: Sirte Oil Company (SOC)\n    -   ▪Safety Valve Sizing, Inlet/Outlet Line Sizing as per API 520 / 521\n    -   ▪Staggered Blowdown Analysis & Dynamic Depressuring to 50% Design Pressure at 15 min (API 521) in Aspen HYSYS Dynamics & Steady-State\n    -   ▪Flare Network Design in Aspen Flare System Analyzer (FLARENET), Flare Stack Height and Radiation Analysis\n    -   ▪Flare Knock-Out Drum (FKOD) Sizing and Process Datasheet Preparation\n    -   ▪Heat exchanger thermal design using Aspen EDR (HTFS)\n    -   ▪Process Datasheet Preparation for Heat Exchangers and Knock Out Drums\n    -   ▪Heat and Material Balance calculations in Aspen HYSYS & Aspen Simulation Workbook (ASW)\n    -   ▪Pump Hydraulics, NPSH Calculations, and Process Datasheet Preparation\n\n    #### Project 2: Naft Khana Oilfield Rehabilitation Detailed Engineering PMC (Iraq)\n\n    -   ▪Critically audited EPC contractor process design basis, equipment datasheets, and separator sizing calculations against API 12J and project design criteria\n    -   ▪Multiphase Flowline Hydraulics and Line Sizing Verification in PIPESIM & Aspen HYSYS Upstream\n    -   ▪Dynamic Transient Startup and Hydrate Mitigation Review in HYSYS Dynamics\n    -   ▪Topside slug catcher surge reception and liquid level control verification in HYSYS Dynamics\n    -   ▪Technical Query (TQ) Management and EPC Discrepancy Escalation\n\n    Engineering Codes & Design Standards:\n\n    API 520 Parts I & IIAPI 521 / ISO 23251API 14EGPSA Engineering Data BookTEMAASME Sec VIII\n\n    Tangible Engineering Deliverables:\n\n    -   Safety Relief Valve (PSV) Sizing Schedules & Line Sizing Check Sheets\n    -   Staggered Blowdown & Dynamic Depressuring Calculation Reports\n    -   FLARENET Header Hydraulic Verification & API 521 Flare Stack Radiation Study\n    -   Flare Knock-Out Drum (FKOD) & Heat Exchanger Process Datasheets\n    -   PMC Technical Audit Review Sheets on EPC Separator Calculations\n    -   Multiphase Flowline Pressure Profiles & Hydrate Mitigation Envelopes\n\n2.  ![Air Liquide Official Logo](https://www.hazemensi.com/logos/airliquide.svg)\n\n    ### Air Liquide\n\n    Operations & Process Intensification\n\n    Operations Engineering Intern • Ben Arous, Tunisia · On-site\n\n    Jul 2025 – Aug 2025 · 2 months\n\n    Direct Contact Heat Exchanger (DCHE) thermal retrofit in cryogenic Air Separation Unit (ASU) and industrial cooling water management (Internal Plant Operations).\n\n    #### Direct Contact Heat Exchanger Retrofit & Industrial Operations\n\n    -   ▪Spearheaded the hydraulic retrofit of a direct contact heat exchanger in Sulzer Sulcol, KG-Tower, and Aspen Plus; modeled high-performance structured and modern random packings (FLEXIPAC® HC 2Y, MellapakPlus™ 252.Y, NeXRing™ 2), achieving an 85% pressure drop reduction, maximized flooding margins, and expanded hydraulic throughput.\n    -   ▪Managed industrial water cooling systems with 100% regulatory compliance. Oversaw inspections, quality testing, and maintenance scheduling to ensure continuous operational reliability.\n    -   ▪Enforced strict HSE protocols for cooling towers with 100% safety compliance. Rigorously utilized specialized PPE and respiratory protection during high-stakes plant operations.\n\n    Engineering Codes & Design Standards:\n\n    Cooling Technology Institute (CTI) StandardsTEMA StandardsAir Liquide Industrial Safety Guidelines\n\n    Tangible Engineering Deliverables:\n\n    -   Column Internals Hydraulic Rating Report & Flooding Margins\n    -   Structured Packing Specification Sheet & Liquid Distributor Schedule\n    -   Cooling Water Quality Logsheets & Preventive Maintenance Protocol\n    -   Brownfield DCHE Revamp Engineering Report\n\n3.  ![OMV Official Logo](https://www.hazemensi.com/logos/omv_2024.svg)\n\n    ### OMV\n\n    FEED Gas Sweetening & Thermodynamics\n\n    Process Engineering Intern • Tunis, Tunisia · On-site\n\n    Jun 2025 – Jul 2025 · 2 months\n\n    Front-End Engineering Design (FEED) for the Amine Sweetening Tie-In project at the brownfield Nawara CPF (Internal Asset Operations), improving CO₂ removal to 1.86 mol% while cutting reboiler duty to 3500 kW through rigorous HYSYS & ProMax solvent optimization.\n\n    #### Nawara CPF Amine Sweetening Tie-In & Solvent Optimization\n\n    -   ▪Supported FEED for the Amine Sweetening Tie-In project serving 3 new gas wells at the brownfield Nawara CPF. Modeled systems in BR&E ProMax and Aspen HYSYS, developing PFDs and preliminary P&IDs using AutoCAD P&ID and Bluebeam Revu.\n    -   ▪Developed Heat and Material Balances (HMBs) and optimized the Acid Gas Removal Unit (AGRU) in HYSYS & ProMax, improving CO₂ removal to 1.86 mol% (<3 mol%) using a 40 wt% MDEA + 2 wt% piperazine solvent blend.\n    -   ▪Enhanced energy efficiency by cutting regenerator reboiler duty to 3500 kW while maintaining ≤ 0.45 mol CO₂/mol amine rich loading, effectively balancing performance and OPEX.\n    -   ▪Conducted production lifecycle analysis for well start-up and decline scenarios, aligning solvent circulation rates with transmission pipeline delivery constraints and Wobbe index limits.\n\n    Engineering Codes & Design Standards:\n\n    GPSA Section 21 (Hydrocarbon Treating)API RP 945 (Amine Units)Shell DEP & NACE MR0175 / ISO 15156\n\n    Tangible Engineering Deliverables:\n\n    -   Optimized Heat & Material Balances (H&MB) for 3 Well Lifecycle Scenarios\n    -   Process Flow Diagrams (PFDs) with Stream Tables\n    -   Preliminary P&IDs for Amine Contactor and Stripper Loops\n    -   Amine Regenerator Reboiler Process Datasheet\n\nEngineering Portfolio•6 Rigorous Case Studies\n\n## Engineering & systems case studies.\n\nQuantified industrial case studies spanning gas plant EPC safety systems, brownfield FEED gas sweetening, cryogenic column retrofits, and computational process automation.\n\nPlant Safety & Transient SimulationEPPMClient: Taknia Libya Engineering Company (TLEC) · Final Client: Sirte Oil Company (SOC)\n\nJan 2026 – Aug 2026•STUDY #01\n\n### Detailed Feasibility Study: Dynamic Depressuring, Staggered Blowdown & Flare Network Design\n\nExecuted comprehensive blowdown analysis and dynamic depressuring in Aspen HYSYS Dynamics and steady-state to model peak relief loads, thermal shrink, and low-temperature metallurgy risks for the \"Detailed Feasibility Study of New Gas Plant at Marsa El Brega\" project (Client: Taknia Libya Engineering Company – TLEC; Final Client: Sirte Oil Company – SOC), followed by full flare network hydraulic backpressure analysis in Aspen Flare System Analyzer (FLARENET) and flare stack radiation sizing per API 521.\n\nGas Treating & ThermodynamicsOMV\n\nJun 2025 – Jul 2025•STUDY #02\n\n### Nawara CPF Brownfield Amine Sweetening Tie-In & AGRU Solvent Optimization\n\nOn the Amine Sweetening Tie-In project at the brownfield Nawara CPF (internal asset operations), executed core process simulation and optimization for an Acid Gas Removal Unit (AGRU) treating sour natural gas from 3 new production wells. Benchmarked solvent kinetics and thermodynamic packages in BR&E ProMax and Aspen HYSYS, achieving 1.86 mol% CO₂ in treated gas while reducing stripper reboiler duty to 3,500 kW under strict transmission pipeline delivery constraints.\n\nEquipment Retrofit & HydraulicsAir Liquide\n\nJul 2025 – Aug 2025•STUDY #03\n\n### Direct Contact Heat Exchanger (DCHE) Retrofit & Cooling Systems\n\nSpearheaded the hydraulic evaluation and column internals revamp of a direct contact heat exchanger in an industrial cryogenic cooling unit (internal operations). Modeled and benchmarked high-performance structured and advanced random packings in Sulzer Sulcol, Koch-Glitsch KG-Tower, and Aspen Plus, achieving an 85% pressure drop reduction, maximized flooding margins, and expanded hydraulic throughput capacity.\n\nFlow Assurance & PMC AuditingEPPMPMC Project · Naft Khana Oilfield Rehabilitation\n\nJan 2026 – Aug 2026•STUDY #04\n\n### Multiphase Flowline Hydraulics, Slugging & Hydrate Transient Study\n\nServed as process engineer on the Project Management Consultant (PMC) team for the Naft Khana Oilfield Rehabilitation project, executing rigorous technical review and auditing of the EPC engineering firm's design calculations, equipment sizing books, and flow assurance models. Independently validated multiphase gathering hydraulics in SLB PIPESIM, topside slug catcher dynamic surge response in Aspen HYSYS Dynamics, and chemical hydrate mitigation envelopes.\n\nEnergy Transition & DecarbonizationINSAT Research Initiative\n\nJan 2025 – May 2025•STUDY #05\n\n### Techno-Economic Assessment: SMR with Carbon Capture vs. Alkaline Water Electrolysis\n\nConducted a comparative techno-economic assessment (TEA) of industrial hydrogen production via Steam Methane Reforming (SMR) integrated with Carbon Capture and Storage (CCS) vs. Alkaline Water Electrolysis (AWE). Focused on Aspen HYSYS flowsheet simulation, primary reformer equilibrium, pre- and post-combustion heat integration, steam-to-carbon ratio optimization, and Microsoft Excel capital/operational expenditure modeling.\n\nDigital Process AutomationEngineering Innovation\n\n2026•STUDY #06\n\n### Process Engineering Automation & Deliverable Generator\n\nDeveloped automated process calculation and deliverable generation modules in Python and Microsoft Excel to eliminate manual transcription from simulation flowsheets. Automated equipment sizing, rating checks, and datasheet generation for safety relief valves (API 520 / 521), two-phase separators (API 12J), and centrifugal pump hydraulic calculations (TDH, NPSHa margins, and process datasheet preparation aligned with API 610 / Shell DEP formats).\n\nAbout•Engineering Philosophy & Background\n\n## Engineering safer, optimized chemical and gas plants.\n\nBridging classical industrial thermodynamics with modern computational modeling to deliver verified, high-accuracy EPC engineering.\n\n### Chemical Process Engineer with Multi-Internship Field & EPC Experience\n\nI am **Hazem Mensi**, a Chemical Process Engineer graduating from **INSAT (Institute of Applied Sciences and Technology)** and an **Aspen Certified Expert User** in Aspen HYSYS. Having completed 3 successive industrial engineering internships across Gas Plant Detailed feasibility / PMC auditing (**EPPM**), cryogenic plant operations (**Air Liquide**), and upstream gas FEED (**OMV**), I am actively seeking an **End-of-Studies / Graduation Internship** starting **February 2027**.\n\nMy technical background is dedicated to high-impact sectors: the **Energy Industry, Chemical & Petrochemical Plants, EPC Consultancies, Energy Transition (CCUS), and Renewable Fuels (Green Hydrogen & E-Fuels)**. With verified mastery in Aspen HYSYS, Aspen Flare System Analyzer, and ProMax, alongside international engineering standards (API 520/521, ASME Sec VIII Div 1, Shell DEP, API 12J, API STD 2000, ISO 14040/14044), I ensure that process simulations translate directly into safe, verifiable, and optimized industrial deliverables.\n\nMy work combines classical thermodynamic principles with computational process modeling. Across flare network relief systems, staggered blowdown depressuring schedules, acid gas treating (MDEA + PZ), cryogenic column packings (-85% ΔP), and multiphase hydraulics, each model is grounded in validated engineering codes, vendor datasheets, and rigorous material balances.\n\nLocation & Mobility\n\nTunis, Tunisia\n\nOpen to worldwide relocation and international rotation\n\nAcademic Degree\n\nChemical & Process Eng.\n\nINSAT National Degree\n\nPrimary Credential\n\nAspen Certified Expert\n\nAspen HYSYS® Certified\n\nGraduation Target\n\n4–6 Month Graduation Internship\n\nAvailable Starting Feb 2027\n\nStrategic Alignment•Target Industries & Engineering Sectors\n\n## Target industries & sector interests.\n\nFocused on the global energy matrix, chemical manufacturing, EPC execution, industrial decarbonization, and next-generation renewable fuels.\n\nUpstream • Midstream • LNG • Cryogenics\n\n### Energy Industry & Hydrocarbons\n\nRigorous modeling of upstream gas processing, acid gas removal (AGRU), slug catching, cryogenic air separation (ASU), and multiphase flowline transient hydraulics.\n\nCore Focus Areas:\n\n-   Gas Processing & Conditioning\n-   Cryogenic Air Separation Units\n-   Multiphase Pipeline Hydraulics\n-   Hydrate Dissociation & Mitigation\n\nIndustrial FEED with OMV & cryogenic operations with Air Liquide\n\nContinuous Plants • Refining • Internals\n\n### Chemical & Petrochemical Industry\n\nPlant debottlenecking, structured and random column packing rating, heat exchanger network integration, pump hydraulics, and continuous chemical synthesis.\n\nCore Focus Areas:\n\n-   Distillation & Absorption Trains\n-   Structured Packing Hydraulics\n-   Heat Exchanger Networks (HEN)\n-   Pump NPSH & Hydraulics\n\nDirect Contact Heat Exchanger revamp (-85% ΔP) at Air Liquide\n\nFEED • Detail Engineering • PMC Audits\n\n### EPCs & Engineering Consultancies\n\nGas plant detailed feasibility engineering, API 520 safety relief valve calculation sheets, flare header network simulation (FLARENET), equipment datasheets, and PMC technical query (TQ) auditing.\n\nCore Focus Areas:\n\n-   API 520 / 521 PSV Sizing Sheets\n-   FLARENET Hydraulic Backpressure\n-   Process Datasheets & Calculation Books\n-   PMC Technical Query Governance\n\nGas plant EPC design & PMC oilfield audit at EPPM\n\nIndustrial CCUS • Amine Scrubbing • Flaring\n\n### Energy Transition & Decarbonization\n\nPre/post-combustion CO₂ capture, activated MDEA amine solvent modeling, staggered blowdown flaring reduction, and plant energy efficiency optimization.\n\nCore Focus Areas:\n\n-   Amine Acid Gas Removal (MDEA+PZ)\n-   Staggered Blowdown Flaring Abatement\n-   Waste Heat Recovery Integration\n-   Industrial Carbon Footprint Reduction\n\nAcid gas treating optimization & emissions abatement at EPPM\n\nAWE • Blue H₂ (SMR) • Power-to-X\n\n### Renewable Fuels & Clean Hydrogen\n\nTechno-economic modeling (TEA), Levelized Cost of Hydrogen (LCOH), life cycle assessment (ISO 14040/14044), and Power-to-X synthesis (e-fuels, SAF, clean ammonia).\n\nCore Focus Areas:\n\n-   Levelized Cost of Hydrogen (LCOH)\n-   Alkaline Water Electrolysis (AWE)\n-   Steam Methane Reforming + CCS\n-   ISO 14040/14044 Life Cycle Assessment\n\nComprehensive SMR vs. AWE Hydrogen Techno-Economic Assessment\n\nVerified Profile • Technical ToolkitARSENAL\n\n### The Engineer's Technical Toolkit\n\nA comprehensive, field-tested technical toolkit accumulated across 3 industrial engineering internships, rigorous simulation suites, international safety standards, and techno-economic modeling.\n\n-   ✓**Simulation:** Aspen HYSYS Certified, ProMax, PIPESIM\n-   ✓**Safety & Codes:** API 520/521, ASME Sec VIII Div 1, Shell DEP, API STD 2000\n-   ✓**Engineering Internships:** EPPM (PMC), Air Liquide, OMV (FEED)\n-   ✓**Energy Transition:** CCUS, H₂ TEA & ISO LCA Modeling\n\n[Explore Verified Credentials & Certifications](https://www.hazemensi.com/#certifications)\n\nEngineering Arsenal•Deep Technical Competencies\n\n### Core engineering disciplines & calculation toolsets.\n\nDetailed engineering competencies across process modeling, plant safety compliance, equipment thermal-hydraulics, and gas treating.\n\nSteady & Dynamic State\n\n#### Process Simulation & Dynamic Analysis\n\nRigorous steady-state and dynamic transient modeling. Hands-on experience in dynamic depressuring, blowdown profiles, flow assurance, and transient slugging analysis.\n\n-   ▪Dynamic depressuring & staggered blowdown analysis\n-   ▪Multiphase flowline hydraulics & line sizing\n-   ▪Gas plant feasibility & transient startup modeling\n\nKey Tools & Codes:\n\n-   Aspen HYSYS®\n-   HYSYS Dynamics\n-   BR&E ProMax\n-   SLB PIPESIM\n\nPlant Safety Lifecycle\n\n#### Pressure Relief & Flare Systems Engineering\n\nDesigning overpressure protection systems that satisfy international safety codes. Sizing relief valves, evaluating staggered blowdown times, and modeling flare network backpressure.\n\n-   ▪PSV orifice sizing and inlet/outlet line hydraulics\n-   ▪Flare header network backpressure (FLARENET) & API 521 stack radiation analysis\n-   ▪Flare Knock-Out Drum (FKOD) sizing & datasheets\n\nKey Tools & Codes:\n\n-   API 520 Parts I & II\n-   API 521\n-   Aspen Flare System Analyzer\n-   FKOD Sizing\n\nHydraulics & Internals\n\n#### Thermal Design & Equipment Retrofit\n\nThermal design and column internals evaluation. Experience in heat exchanger rating, cooling tower operations, and equipment revamps.\n\n-   ▪Heat exchanger thermal design using Aspen EDR\n-   ▪Column internals hydraulic rating (FLEXIPAC® HC, MellapakPlus™, NeXRing™)\n-   ▪Pump hydraulics, NPSH calculations, and datasheets\n\nKey Tools & Codes:\n\n-   Aspen EDR (HTFS)\n-   Sulzer Sulcol\n-   KG-Tower\n-   Aspen Plus\n-   Pump Hydraulics\n\nGas & Clean Tech\n\n#### Gas Treating & Energy Decarbonization\n\nProcess modeling for Acid Gas Removal Units (AGRU) and techno-economic assessment of hydrogen production pathways with carbon capture.\n\n-   ▪Amine solvent modeling with MDEA + piperazine blends\n-   ▪Reboiler energy optimization and sweet gas compliance\n-   ▪SMR hydrogen techno-economic assessment & CCS\n\nKey Tools & Codes:\n\n-   Aspen HYSYS\n-   BR&E ProMax\n-   MDEA + Piperazine\n-   Carbon Capture (CCS)\n\nCredentials•Verified Certifications & Standards\n\n## Official certifications & engineering credentials.\n\nOfficial accredited digital credentials, AspenTech certifications, practical standards compliance, and hands-on simulation toolsets applied across industrial internships and academic engineering projects.\n\nMaster SimulationVerified\n\n### Aspen Certified Expert User in Aspen HYSYS®\n\nAspen Technology\n\n![AspenTech Modern Blue Logo](https://www.hazemensi.com/logos/aspentech.svg)\n\nIssued:**Jul 2025**•Expires:**Jul 2028**\n\nDemonstrated certified competence in steady-state process simulation, thermodynamic models, column convergence, optimization, and dynamic depressuring routines.\n\nThermal-Hydraulic RatingVerified\n\n### Aspen Certified User in Aspen Shell & Tube Exchanger\n\nAspen Technology (Aspen EDR)\n\n![AspenTech Modern Blue Logo](https://www.hazemensi.com/logos/aspentech.svg)\n\nIssued:**Jul 2025**•Expires:**Jul 2028**\n\nCertified expertise in thermal and hydraulic rating, vibration analysis, and mechanical optimization of shell and tube heat exchangers using Aspen EDR (HTFS).\n\nDecarbonization & AGRUVerified\n\n### Amine-Based Carbon Capture Process Optimization using Aspen HYSYS®\n\nAspen Technology\n\n![AspenTech Modern Blue Logo](https://www.hazemensi.com/logos/aspentech.svg)\n\nIssued:**Jul 2025**•Expires:**Jul 2028**\n\nSpecialized certification in modeling, rate-based absorption kinetics, solvent optimization (MDEA/piperazine), and reboiler duty reduction for CO₂ capture flowsheets.\n\nHydrogen & CCSVerified\n\n### Sustainability Fundamentals: Process Modeling CO₂ Capture & H₂ Production\n\nAspen Technology\n\n![AspenTech Modern Blue Logo](https://www.hazemensi.com/logos/aspentech.svg)\n\nIssued:**Jun 2025**•Expires:**Jun 2028**\n\nAdvanced modeling of blue hydrogen flowsheets, steam methane reforming (SMR) with CCS integration, and electrolytic hydrogen production.\n\nCore SimulationVerified\n\n### Aspen Certified User in Aspen HYSYS®\n\nAspen Technology\n\n![AspenTech Modern Blue Logo](https://www.hazemensi.com/logos/aspentech.svg)\n\nIssued:**Apr 2025**•Expires:**Apr 2028**\n\nOfficial AspenTech certification verifying comprehensive competence in flowsheet design, unit operations, stream thermodynamics, and separation processes.\n\nISO 14040 / 14044Verified\n\n### Life Cycle Assessment (LCA)\n\nUniversity of Michigan (Coursera)\n\n![University of Michigan Official Emblem](https://www.hazemensi.com/logos/umich.png)\n\nIssued:**Dec 2024**\n\nComprehensive qualification covering LCA methodology, ISO 14040/14044 compliance, life cycle inventory modeling, environmental impact assessment, and carbon footprinting.\n\nC2 Proficient (75/100)Verified\n\n### EF SET English Certificate – C2 Proficient (75/100)\n\nEF Standard English Test (EF SET)\n\n![EF SET Official Logo](https://www.hazemensi.com/logos/efset.svg)\n\nIssued:**Dec 2025**\n\nScore: 75/100 (Reading: 78/100 C2, Listening: 71/100 C2). Verified CEFR C2 English mastery in technical, operational, and executive engineering communication.\n\nTechnical Competency Domain\n\n### Process Simulation & Flow Assurance\n\n7 Competencies\n\nDynamic & steady-state process simulation, slugging, hydrate inhibition, and relief analysis.\n\n-   **Aspen HYSYS®**\n\n    AspenTech Certified Expert User (CERT00016555) · Applied at OMV & EPPM\n\n    Certified\n\n-   **HYSYS Dynamics**\n\n    Depressuring, blowdown, transient startup modeling\n\n-   **BR&E ProMax**\n\n    Electrolytic & acid gas sweetening (AGRU at OMV)\n\n-   **SLB PIPESIM / OLGA**\n\n    Multiphase flowline hydraulics & flow regimes\n\n-   **Aspen Flare System Analyzer (FLARENET)**\n\n    Relief network hydraulic backpressure verification at EPPM\n\n-   **Aspen Plus & PetroSim**\n\n    Chemical processes & cryogenic column retrofit at Air Liquide\n\n-   **AFT Fathom & AFT Impulse**\n\n    Incompressible hydraulics & water hammer analysis\n\nTechnical Competency Domain\n\n### Equipment Rating & Thermal Design\n\n6 Competencies\n\nHeat transfer optimization, column internals rating, and rotating equipment hydraulics.\n\n-   **Aspen EDR (HTFS)**\n\n    AspenTech Certified User in Shell & Tube Exchangers · EPC & Plant rating\n\n    Certified\n\n-   **HTRI Xchanger Suite**\n\n    Thermal design & vibration analysis\n\n-   **Sulzer Sulcol & KG-Tower**\n\n    Structured/random packing hydraulics & DCHE at Air Liquide\n\n-   **Separator & KO Drum Sizing**\n\n    API 521 droplet settlement & liquid hold-up at EPPM\n\n-   **Pump Hydraulics & NPSH**\n\n    NPSHa/NPSHr margin, system curve calculations\n\n-   **Safety Relief Valves (PSV)**\n\n    API 520 critical flow gas & liquid orifice sizing at EPPM\n\nTechnical Competency Domain\n\n### Engineering Codes & Standards\n\n7 Competencies\n\nInternational codes governing plant design, relief headers, and piping systems.\n\n-   **API 520 Parts I & II**\n\n    Sizing, Selection & Installation of Relief Devices at EPPM\n\n-   **API 521 / ISO 23251**\n\n    Pressure-relieving and Depressuring Systems at EPPM\n\n-   **API 12J**\n\n    Specification for Oil and Gas Separators\n\n-   **Shell DEP**\n\n    Design and Engineering Practice specifications\n\n-   **API STD 2000**\n\n    Venting Atmospheric & Low-Pressure Storage Tanks\n\n-   **GPSA Engineering Data Book**\n\n    Gas processing, dehydration, amine sweetening at OMV\n\n-   **API 14E & ASME B31.3**\n\n    Erosional velocity screening (API 14E) & process piping design pressure (ASME B31.3)\n\nTechnical Competency Domain\n\n### Engineering Computing & Drafting Toolsets\n\n5 Competencies\n\nEngineering documentation, drafting review, computational analysis, and environmental assessment.\n\n-   **AutoCAD P&ID & Bluebeam Revu**\n\n    PFDs, P&IDs, and engineering drafting review at OMV & EPPM\n\n-   **MS Excel Engineering Workbooks**\n\n    Process datasheets, H&MB calculations, hydraulic check sheets\n\n-   **Python**\n\n    Process engineering calculations & data analysis\n\n-   **LCA & Carbon Accounting (ISO 14040)**\n\n    University of Michigan verified course qualification · Applied at EPPM\n\n    Certified\n\n-   **Git & GitHub**\n\n    Version control & project tracking\n\nStudent Life•Volunteerism & Technical Societies\n\n## Student life & volunteerism.\n\nActive leadership, club foundation, media direction, and technical community management across engineering student branches.\n\nFounding Committee Member & Media Manager\n\nApr 2024 – Jan 2025\n\n### SecuriNets ENSIT\n\nNational Engineering School of Tunis (ENSIT) • Cybersecurity Club\n\n-   Co-founded the cybersecurity club and helped establish its initial structure, technical roadmap, and core activities.\n\n-   Organized DarkNets CTF (Capture The Flag), drawing 200+ attendees and recruiting 50+ active members.\n\nEvent Scale\n\n200+ Attendees\n\nCommunity Growth\n\n50+ Members Recruited\n\n-   Club Foundation\n-   DarkNets CTF\n-   Media Direction\n-   200+ Attendees\n-   50+ Members\n\nMedia Manager\n\nSep 2023 – May 2024\n\n### IEEE PES × PELS Joint Chapter Student Branch\n\nPower & Energy Society (PES) × Power Electronics Society (PELS)\n\n-   Led a three-member media team and created more than 60 social media publications.\n\n-   Increased the chapter’s visibility and contributed to 250% membership growth.\n\nContent Deliverables\n\n60+ Publications\n\nChapter Expansion\n\n+250% Membership Growth\n\n-   Media Team Leadership\n-   60+ Publications\n-   PES & PELS\n-   +250% Growth\n",
  "fullPageMarkdown": "Hazem Mensi | Chemical Process Engineer & Certified Aspen HYSYS Expert [Skip to main content ↓](https://www.hazemensi.com/#main-content)\n\nSearch\n\nSearch\n\nAvailable **Feb 2027** • 4–6M Internship\n\n[Discuss →](https://www.hazemensi.com/#contact)\n\nEngineering Teams & Talent Acquisition:Available for **4–6 Month Graduation Internship** starting **February 2027**\n\nEnergy • Chemical Plants • EPCs • Transition[Discuss Opportunity →](https://www.hazemensi.com/#contact)\n\n[\n\n![Hazem Mensi - Chemical Process Engineer](https://www.hazemensi.com/images/hazem_mensi-sm.webp)\n\nHAZEM MENSIAvailable Feb 2027\n\nRole: Chemical Process Engineer\n\n](https://www.hazemensi.com/#top)\n\n[Resume (PDF)](https://www.hazemensi.com/Hazem_Mensi_Resume.pdf \"Download Hazem Mensi Resume (PDF)\")[@hazemensi](https://t.me/hazemensi \"Chat on Telegram @hazemensi\")[](https://www.linkedin.com/in/hazemensi \"LinkedIn Profile\")[Get in Touch](https://www.hazemensi.com/#contact)\n\n![Hazem Mensi - Aspen Certified Expert User](https://www.hazemensi.com/images/hazem_mensi-sm.webp)\n\n< Chemical Process Engineering />< Process Engineering />\n\n# I'm **Hazem Mensi**.CHEMICAL PROCESS ENGINEER.\n\nChemical Process Engineering student at **INSAT (Institute of Applied Sciences and Technology)** and an **Aspen Certified Expert User** in Aspen HYSYS. Having completed 3 rigorous industrial engineering internships (**EPPM, Air Liquide, OMV**), I bring a verified technical background focused on the **Energy Industry, Chemical Plants, EPCs, Energy Transition, and Renewable Fuels**. Actively seeking a **4–6 Month Graduation Internship** starting **February 2027**.\n\n-   Aspen HYSYS® Certified Expert User\n-   API 520 / 521, ASME Sec VIII & Shell DEP\n-   Available for Graduation Internship (Starting Feb 2027)\n\nStrategic Target Sectors & Engineering Focus:\n\n-   Energy Industry & Hydrocarbons\n-   Chemical & Petrochemical Plants\n-   EPCs & Engineering Consultancies\n-   Energy Transition & CCUS\n-   Renewable Fuels & Clean H₂\n\n[](https://t.me/hazemensi \"Telegram @hazemensi\")[](https://www.linkedin.com/in/hazemensi \"LinkedIn Profile\")[\\[email protected\\]](https://www.hazemensi.com/cdn-cgi/l/email-protection#b3fbd2c9d6de9dfed6ddc0daf3daddc0d2c79dc6d0d2c19dc7dd \"Direct Email to Hazem Mensi\")\n\n|Tunis, Tunisia • Open to worldwide relocation and international rotation\n\n![AspenTech Modern Blue Logo](https://www.hazemensi.com/logos/aspentech.svg)University\n\n5 Verified Accreditations\n\n01 // Expert User02 // HYSYS User03 // Carbon Capture04 // Shell & Tube05 // Green H₂ & CCUS\n\n[![Aspen Certified Expert User in Aspen HYSYS®](https://www.hazemensi.com/images/certificates/aspen_hysys_certified_expert_user.webp)\n\nOpen Full PDF\n\n](https://www.hazemensi.com/certificates/AspenTech_Certified_Expert_User_Hazem_Mensi_CERT00016555.pdf)[![Aspen Certified User in Aspen HYSYS®](https://www.hazemensi.com/images/certificates/aspen_hysys_certified_user.webp)\n\nOpen Full PDF\n\n](https://www.hazemensi.com/certificates/AspenTech_Certified_User_HYSYS_Hazem_Mensi_CERT00015878.pdf)[![Amine-Based Carbon Capture Process Optimization using Aspen HYSYS®](https://www.hazemensi.com/images/certificates/aspen_amine_carbon_capture_user.webp)\n\nOpen Full PDF\n\n](https://www.hazemensi.com/certificates/AspenTech_Amine_Carbon_Capture_Hazem_Mensi_CERT00017014.pdf)[![Aspen Certified User in Aspen Shell & Tube Exchanger™ (EDR)](https://www.hazemensi.com/images/certificates/aspen_edr_shell_tube_user.webp)\n\nOpen Full PDF\n\n](https://www.hazemensi.com/certificates/AspenTech_Shell_and_Tube_Exchanger_Hazem_Mensi_CERT00017116.pdf)[![Sustainability Fundamentals: Carbon Capture & Hydrogen Production](https://www.hazemensi.com/images/certificates/aspen_sustainability_carbon_capture.webp)\n\nOpen Full PDF\n\n](https://www.hazemensi.com/certificates/AspenTech_Sustainability_Carbon_Capture_Hydrogen_Hazem_Mensi.pdf)\n\nCERT 00016555 • Issued: July 23, 2025\n\n[View PDF](https://www.hazemensi.com/certificates/AspenTech_Certified_Expert_User_Hazem_Mensi_CERT00016555.pdf \"Open official vector PDF document\")|[Verify Record](https://www.credential.net/cb1c6c8f-da5a-4bd1-92bd-e08479146c60 \"Verify on Credential.net wallet\")\n\nCore Engineering Arsenal## EPPM Industrial Engineering Competencies\n\n4 Core Disciplines • Feasibility to PMC\n\n01 // API 520 / 521 Standard\n\nStandard Verified\n\n### Overpressure Protection & Relief Systems\n\nSafety Relief Valve (PSV) Sizing & Header Hydraulics\n\nExecution of critical relief valve and header line sizing for the Marsa El Brega gas treatment and processing plant project, adhering rigorously to international safety codes.\n\n-   Critical gas & liquid orifice sizing calculation sheets\n-   Inlet 3% pressure drop & outlet backpressure limits\n-   Gas processing plant detailed feasibility\n-   Process datasheets for relief valves & rupture disks\n\nProject: Marsa El Brega (Libya) • Client: Taknia (TLEC) / SOCCodes: API 520 Part I & II • API 521 / ISO 23251\n\n02 // HYSYS Dynamics\n\nDynamic Model\n\n### Dynamic Simulation & Flow Assurance\n\nTransient Plant Sizing & Operations\n\nModeling complex unsteady-state behaviors to prevent pipeline blockage and surge vessel overflow during critical operations.\n\n-   Dynamic transient startup modeling & valve ramp rates\n-   Hydrate dissociation mitigation curves in HYSYS Dynamics\n-   Slug catcher dynamic surge reception & liquid level control verification\n\nSlug Catcher DynamicsHYSYS Upstream\n\n03 // FLARENET & FKOD\n\nRadiation Validated\n\n### Blowdown & Flare Network Systems\n\nStaggered Depressuring & Radiation Analysis\n\nFlare network hydraulic ratings and thermal radiation safety modeling to prevent backpressure overloads and hazardous thermal fluxes.\n\n-   Staggered blowdown analysis & dynamic depressuring\n-   FLARENET header hydraulic backpressure & API 521 stack radiation analysis\n-   Flare Knock-Out Drum (FKOD) sizing & process datasheets\n\nStack Height & RadiationAspen Flare Analyzer\n\n04 // PMC Auditing\n\nEPC Audit Completed\n\n### Oilfield PMC Auditing & Technical Governance\n\nDesign Basis, Separator Calculation Books & Hydraulics\n\nTechnical review and auditing on behalf of the project management consultant (PMC) for regional oilfield rehabilitation, verifying EPC contractor calculations.\n\n-   Process design basis & criteria document auditing\n-   Separator calculation books & datasheet verification\n-   PIPESIM multiphase hydraulics & pressure gradient review\n-   Technical Query (TQ) management & discrepancy logs\n\nProject: Naft Khana Rehabilitation (Iraq)Role: Process Engineering PMC Auditor\n\nIndustrial Experience, Verified Credentials & Design Standards Affiliations:Industry Experience & Affiliations:Continuous Verified Affiliations\n\n![EPPM Official Logo](https://www.hazemensi.com/logos/eppm.png)\n\n![Air Liquide Official Logo](https://www.hazemensi.com/logos/airliquide.svg)\n\n![OMV Official Logo](https://www.hazemensi.com/logos/omv_2024.svg)\n\n![KBC (A Yokogawa Company) Official Logo](https://www.hazemensi.com/logos/kbc_yokogawa.svg)\n\n![AspenTech Modern Blue Logo](https://www.hazemensi.com/logos/aspentech.svg)\n\n![American Petroleum Institute (API) Official Logo](https://www.hazemensi.com/logos/api.svg)\n\n![Bryan Research & Engineering (BR&E ProMax) Official Logo](https://www.hazemensi.com/logos/bre.png)\n\n![INSAT Official Emblem](https://www.hazemensi.com/logos/insat.png)\n\n![University of Michigan Official Emblem](https://www.hazemensi.com/logos/umich.png)\n\n![EF SET Official Logo](https://www.hazemensi.com/logos/efset.svg)\n\n![EPPM Official Logo](https://www.hazemensi.com/logos/eppm.png)\n\n![Air Liquide Official Logo](https://www.hazemensi.com/logos/airliquide.svg)\n\n![OMV Official Logo](https://www.hazemensi.com/logos/omv_2024.svg)\n\n![KBC (A Yokogawa Company) Official Logo](https://www.hazemensi.com/logos/kbc_yokogawa.svg)\n\n![AspenTech Modern Blue Logo](https://www.hazemensi.com/logos/aspentech.svg)\n\n![American Petroleum Institute (API) Official Logo](https://www.hazemensi.com/logos/api.svg)\n\n![Bryan Research & Engineering (BR&E ProMax) Official Logo](https://www.hazemensi.com/logos/bre.png)\n\n![INSAT Official Emblem](https://www.hazemensi.com/logos/insat.png)\n\n![University of Michigan Official Emblem](https://www.hazemensi.com/logos/umich.png)\n\n![EF SET Official Logo](https://www.hazemensi.com/logos/efset.svg)\n\n// Experience•Chronological Engineering Trajectory\n\n## Industrial experience & career progression.\n\nA chronological progression of technical maturity – advancing across 3 industrial engineering internships: EPPM Gas Plant Detailed feasibility & PMC auditing, Air Liquide cryogenic operations, and OMV sour gas FEED.\n\nEngineering Progression TrajectoryChronological Progression (2026 – 2025)\n\nEPPM MilestoneJan – Aug 2026\n\n**EPPM Detailed Engineering**\n\nGas Plant Detailed Feasibility & Regional PMC Auditing\n\nAPI 520/521 & PMC8 Months • Done\n\nAir Liquide MilestoneJul – Aug 2025\n\n**Air Liquide**\n\nCryogenic Plant Operations & DCHE Column Retrofit\n\nPlant HSE & Revamp2 Months • Done\n\nOMV MilestoneJun – Jul 2025\n\n**OMV Production**\n\nNawara CPF Amine Sweetening Tie-In • 1.86 mol% CO₂ & 3500 kW Duty (FEED)\n\nNawara CPF Sweetening2 Months • Done\n\n1.  ![EPPM Official Logo](https://www.hazemensi.com/logos/eppm.png)\n\n    ### EPPM (ENGINEERING PROCUREMENT & PROJECT MANAGEMENT)EPC Detailed Engineering & PMC Auditing · Completed\n\n    Process Engineering Intern • Tunis, Tunisia · Hybrid\n\n    Jan 2026 – Aug 2026 · 8 months\n\n    Detailed feasibility study engineering for gas treatment and processing facilities and PMC technical auditing for major regional oilfield rehabilitation.\n\n    #### Project 1: Detailed Feasibility Study of New Gas Plant at Marsa El Brega (Libya)\n\n    — Client: Client: Taknia Libya Engineering Company (TLEC) · Final Client: Sirte Oil Company (SOC)\n\n    -   ▪Delivered process feasibility study engineering for Client: Taknia Libya Engineering Company (TLEC) & Final Client: Sirte Oil Company (SOC)\n    -   ▪Safety Valve Sizing, Inlet/Outlet Line Sizing as per API 520 / 521\n    -   ▪Staggered Blowdown Analysis & Dynamic Depressuring to 50% Design Pressure at 15 min (API 521) in Aspen HYSYS Dynamics & Steady-State\n    -   ▪Flare Network Design in Aspen Flare System Analyzer (FLARENET), Flare Stack Height and Radiation Analysis\n    -   ▪Flare Knock-Out Drum (FKOD) Sizing and Process Datasheet Preparation\n    -   ▪Heat exchanger thermal design using Aspen EDR (HTFS)\n    -   ▪Process Datasheet Preparation for Heat Exchangers and Knock Out Drums\n    -   ▪Heat and Material Balance calculations in Aspen HYSYS & Aspen Simulation Workbook (ASW)\n    -   ▪Pump Hydraulics, NPSH Calculations, and Process Datasheet Preparation\n\n    #### Project 2: Naft Khana Oilfield Rehabilitation Detailed Engineering PMC (Iraq)\n\n    -   ▪Critically audited EPC contractor process design basis, equipment datasheets, and separator sizing calculations against API 12J and project design criteria\n    -   ▪Multiphase Flowline Hydraulics and Line Sizing Verification in PIPESIM & Aspen HYSYS Upstream\n    -   ▪Dynamic Transient Startup and Hydrate Mitigation Review in HYSYS Dynamics\n    -   ▪Topside slug catcher surge reception and liquid level control verification in HYSYS Dynamics\n    -   ▪Technical Query (TQ) Management and EPC Discrepancy Escalation\n\n    Engineering Codes & Design Standards:\n\n    API 520 Parts I & IIAPI 521 / ISO 23251API 14EGPSA Engineering Data BookTEMAASME Sec VIII\n\n    Tangible Engineering Deliverables:\n\n    -   Safety Relief Valve (PSV) Sizing Schedules & Line Sizing Check Sheets\n    -   Staggered Blowdown & Dynamic Depressuring Calculation Reports\n    -   FLARENET Header Hydraulic Verification & API 521 Flare Stack Radiation Study\n    -   Flare Knock-Out Drum (FKOD) & Heat Exchanger Process Datasheets\n    -   PMC Technical Audit Review Sheets on EPC Separator Calculations\n    -   Multiphase Flowline Pressure Profiles & Hydrate Mitigation Envelopes\n\n    Stack:Aspen HYSYS DynamicsAspen HYSYS Steady-StateAspen Flare System Analyzer (FLARENET)Aspen EDRPIPESIMAPI 520 / 521TEMA StandardsASME Sec VIII\n\n2.  ![Air Liquide Official Logo](https://www.hazemensi.com/logos/airliquide.svg)\n\n    ### Air LiquideOperations & Process Intensification\n\n    Operations Engineering Intern • Ben Arous, Tunisia · On-site\n\n    Jul 2025 – Aug 2025 · 2 months\n\n    Direct Contact Heat Exchanger (DCHE) thermal retrofit in cryogenic Air Separation Unit (ASU) and industrial cooling water management (Internal Plant Operations).\n\n    #### Direct Contact Heat Exchanger Retrofit & Industrial Operations\n\n    -   ▪Spearheaded the hydraulic retrofit of a direct contact heat exchanger in Sulzer Sulcol, KG-Tower, and Aspen Plus; modeled high-performance structured and modern random packings (FLEXIPAC® HC 2Y, MellapakPlus™ 252.Y, NeXRing™ 2), achieving an 85% pressure drop reduction, maximized flooding margins, and expanded hydraulic throughput.\n    -   ▪Managed industrial water cooling systems with 100% regulatory compliance. Oversaw inspections, quality testing, and maintenance scheduling to ensure continuous operational reliability.\n    -   ▪Enforced strict HSE protocols for cooling towers with 100% safety compliance. Rigorously utilized specialized PPE and respiratory protection during high-stakes plant operations.\n\n    Engineering Codes & Design Standards:\n\n    Cooling Technology Institute (CTI) StandardsTEMA StandardsAir Liquide Industrial Safety Guidelines\n\n    Tangible Engineering Deliverables:\n\n    -   Column Internals Hydraulic Rating Report & Flooding Margins\n    -   Structured Packing Specification Sheet & Liquid Distributor Schedule\n    -   Cooling Water Quality Logsheets & Preventive Maintenance Protocol\n    -   Brownfield DCHE Revamp Engineering Report\n\n    Stack:Sulzer SulcolKG-TowerAspen PlusFLEXIPAC® HC 2YMellapakPlus™ 252.YNeXRing™ 2CTI StandardsIndustrial Water SystemsPlant HSE Protocols\n\n3.  ![OMV Official Logo](https://www.hazemensi.com/logos/omv_2024.svg)\n\n    ### OMVFEED Gas Sweetening & Thermodynamics\n\n    Process Engineering Intern • Tunis, Tunisia · On-site\n\n    Jun 2025 – Jul 2025 · 2 months\n\n    Front-End Engineering Design (FEED) for the Amine Sweetening Tie-In project at the brownfield Nawara CPF (Internal Asset Operations), improving CO₂ removal to 1.86 mol% while cutting reboiler duty to 3500 kW through rigorous HYSYS & ProMax solvent optimization.\n\n    #### Nawara CPF Amine Sweetening Tie-In & Solvent Optimization\n\n    -   ▪Supported FEED for the Amine Sweetening Tie-In project serving 3 new gas wells at the brownfield Nawara CPF. Modeled systems in BR&E ProMax and Aspen HYSYS, developing PFDs and preliminary P&IDs using AutoCAD P&ID and Bluebeam Revu.\n    -   ▪Developed Heat and Material Balances (HMBs) and optimized the Acid Gas Removal Unit (AGRU) in HYSYS & ProMax, improving CO₂ removal to 1.86 mol% (<3 mol%) using a 40 wt% MDEA + 2 wt% piperazine solvent blend.\n    -   ▪Enhanced energy efficiency by cutting regenerator reboiler duty to 3500 kW while maintaining ≤ 0.45 mol CO₂/mol amine rich loading, effectively balancing performance and OPEX.\n    -   ▪Conducted production lifecycle analysis for well start-up and decline scenarios, aligning solvent circulation rates with transmission pipeline delivery constraints and Wobbe index limits.\n\n    Engineering Codes & Design Standards:\n\n    GPSA Section 21 (Hydrocarbon Treating)API RP 945 (Amine Units)Shell DEP & NACE MR0175 / ISO 15156\n\n    Tangible Engineering Deliverables:\n\n    -   Optimized Heat & Material Balances (H&MB) for 3 Well Lifecycle Scenarios\n    -   Process Flow Diagrams (PFDs) with Stream Tables\n    -   Preliminary P&IDs for Amine Contactor and Stripper Loops\n    -   Amine Regenerator Reboiler Process Datasheet\n\n    Stack:Aspen HYSYSBR&E ProMaxAutoCAD P&IDBluebeam RevuMDEA SweeteningGPSA Sec 21\n\n// Engineering Portfolio•6 Rigorous Case Studies\n\n## Engineering & systems case studies.\n\nQuantified industrial case studies spanning gas plant EPC safety systems, brownfield FEED gas sweetening, cryogenic column retrofits, and computational process automation.\n\nAll Case Studies (6)EPC & Flare Safety (2)Treating & Operations (2)Decarbonization & Systems (2)\n\nExpand All\n\nPlant Safety & Transient SimulationEPPMClient: Taknia Libya Engineering Company (TLEC) · Final Client: Sirte Oil Company (SOC)\n\nJan 2026 – Aug 2026•STUDY #01\n\n### Detailed Feasibility Study: Dynamic Depressuring, Staggered Blowdown & Flare Network Design\n\nExecuted comprehensive blowdown analysis and dynamic depressuring in Aspen HYSYS Dynamics and steady-state to model peak relief loads, thermal shrink, and low-temperature metallurgy risks for the \"Detailed Feasibility Study of New Gas Plant at Marsa El Brega\" project (Client: Taknia Libya Engineering Company – TLEC; Final Client: Sirte Oil Company – SOC), followed by full flare network hydraulic backpressure analysis in Aspen Flare System Analyzer (FLARENET) and flare stack radiation sizing per API 521.\n\nRelief Standards\n\nAPI 520 / 521\n\nSizing & Depressuring Criteria\n\nDepressuring Target\n\n50% DP / 15 min\n\n50% Design Pressure at 15 minutes (API 521)\n\nRadiation Limit\n\n1.58 kW/m²\n\nContinuous personnel exposure limit per API 521\n\nSimulation Tools\n\nHYSYS & FLARENET\n\nDynamics, Steady-State & Flare Analyzer\n\n**Engineering Challenge:**During emergency depressuring, rapid gas expansion generates intense Joule-Thomson cooling that can drop wall temperatures below the Minimum Design Metal Temperature (MDMT), risking low-temperature brittle fracture. Simultaneously, uncoordinated blowdown across multiple fire zones risks exceeding the flare header backpressure limits, compromising conventional and balanced-bellows PSVs. The mandate was to size restrictive blowdown orifices to achieve 50% design pressure within 15 minutes per API 521 while staggering zone depressuring to prevent flare header choking and flare tip Mach number exceedance.\n\nStandards:\n\n-   API 521 (Pressure-relieving and Depressuring Systems)\n-   API 520 Part I & II\n-   GPSA Engineering Data Book Sec 5\n\nStack:\n\n-   Aspen HYSYS Dynamics\n-   Aspen HYSYS Steady-State\n-   Aspen Flare System Analyzer (FLARENET)\n-   Aspen Simulation Workbook (ASW)\n-   Microsoft Excel\n\nGas Treating & ThermodynamicsOMV\n\nJun 2025 – Jul 2025•STUDY #02\n\n### Nawara CPF Brownfield Amine Sweetening Tie-In & AGRU Solvent Optimization\n\nOn the Amine Sweetening Tie-In project at the brownfield Nawara CPF (internal asset operations), executed core process simulation and optimization for an Acid Gas Removal Unit (AGRU) treating sour natural gas from 3 new production wells. Benchmarked solvent kinetics and thermodynamic packages in BR&E ProMax and Aspen HYSYS, achieving 1.86 mol% CO₂ in treated gas while reducing stripper reboiler duty to 3,500 kW under strict transmission pipeline delivery constraints.\n\nTreated CO₂ Spec\n\n1.86 mol%\n\nMet pipeline transmission spec (< 2.0 mol%)\n\nReboiler Duty\n\n3,500 kW\n\nOptimized regeneration heat requirement\n\nSolvent Formulation\n\n40 wt% MDEA\n\n\\+ 2 wt% Piperazine Activator\n\nRich Loading\n\n≤ 0.45 mol/mol\n\nCorrosion safety envelope (≤ 0.45 mol CO₂/mol amine)\n\n**Engineering Challenge:**At the brownfield Nawara Central Processing Facility (CPF), raw feed gas from 3 new production wells contained elevated CO₂ concentrations exceeding sales gas pipeline specifications (< 2.0 mol%). The engineering mandate was to minimize regenerator reboiler thermal duty to 3,500 kW while maintaining rich solvent loading within the corrosion safety envelope (≤ 0.45 mol CO₂/mol amine), avoiding thermal/oxidative degradation of the MDEA/piperazine solvent blend, and satisfying transmission pipeline delivery constraints and Wobbe index limits under fluctuating wellhead pressures.\n\nStandards:\n\n-   GPSA Section 21 (Hydrocarbon Treating)\n-   API RP 945\n-   Shell DEP & NACE MR0175 / ISO 15156\n\nStack:\n\n-   BR&E ProMax\n-   Aspen HYSYS\n-   AutoCAD P&ID\n-   Bluebeam Revu\n\nEquipment Retrofit & HydraulicsAir Liquide\n\nJul 2025 – Aug 2025•STUDY #03\n\n### Direct Contact Heat Exchanger (DCHE) Retrofit & Cooling Systems\n\nSpearheaded the hydraulic evaluation and column internals revamp of a direct contact heat exchanger in an industrial cryogenic cooling unit (internal operations). Modeled and benchmarked high-performance structured and advanced random packings in Sulzer Sulcol, Koch-Glitsch KG-Tower, and Aspen Plus, achieving an 85% pressure drop reduction, maximized flooding margins, and expanded hydraulic throughput capacity.\n\nPressure Drop ΔP\n\n\\-85% (dP)\n\nAchieved via Modern Internals Revamp\n\nPackings Evaluated\n\nHigh-Perf Metals\n\nFLEXIPAC® HC 2Y, MellapakPlus™, NeXRing™\n\nFlooding Margin\n\n+35%\n\nHydraulic capacity headroom above flood point\n\nModeling Software\n\nSulcol / KG-Tower\n\n\\+ Aspen Plus Hydraulic Rating\n\n**Engineering Challenge:**The existing direct contact cooling column utilized conventional random packing that generated excessive hydraulic pressure drop and liquid maldistribution under peak summer ambient temperatures, creating an upstream compressor suction bottleneck. The technical challenge was to proactively revamp the column internals to achieve superior pressure drop reduction and expand throughput capacity without expensive vessel shell modifications. By rigorously modeling and benchmarking high-performance structured and modern random packings—specifically Koch-Glitsch FLEXIPAC® HC® 2Y metal, Sulzer MellapakPlus™ 252.Y metal, and Sulzer NeXRing™ 2 metal—I successfully engineered a retrofit solution that delivered an 85% ΔP reduction, maximized flooding margins, and increased gas throughput potential while preserving the required thermal approach.\n\nStandards:\n\n-   Cooling Technology Institute (CTI) Standards\n-   TEMA Standards\n-   Air Liquide Safety Protocols\n\nStack:\n\n-   Sulzer Sulcol\n-   Koch-Glitsch KG-Tower\n-   Aspen Plus\n-   Aspen EDR\n-   FLEXIPAC® HC 2Y\n-   MellapakPlus™ 252.Y\n-   NeXRing™ 2\n\nFlow Assurance & PMC AuditingEPPMPMC Project · Naft Khana Oilfield Rehabilitation\n\nJan 2026 – Aug 2026•STUDY #04\n\n### Multiphase Flowline Hydraulics, Slugging & Hydrate Transient Study\n\nServed as process engineer on the Project Management Consultant (PMC) team for the Naft Khana Oilfield Rehabilitation project, executing rigorous technical review and auditing of the EPC engineering firm's design calculations, equipment sizing books, and flow assurance models. Independently validated multiphase gathering hydraulics in SLB PIPESIM, topside slug catcher dynamic surge response in Aspen HYSYS Dynamics, and chemical hydrate mitigation envelopes.\n\nPMC Scope\n\nEPC Design Audit\n\nCalculation & Assumption Verification\n\nFlow Assurance\n\nPIPESIM & HYSYS\n\nMultiphase Hydraulics & Slugging\n\nDesign Audit\n\nAPI 12J & 14E\n\nSeparator & Flowline Sizing Review\n\nHydrate Strategy\n\nThermodynamic\n\nInhibitor Dosage & Subcooling Check\n\n**Engineering Challenge:**Serving as process engineer on the PMC team required critically auditing the EPC engineering contractor's calculation books, simulation assumptions, and equipment specifications across an undulating gathering network. The challenge was to independently verify whether the contractor's steady-state sizing adequately accounted for hydrodynamic and terrain-induced slugging at turndown rates, cold restart risks within the hydrate formation zone, and severe liquid surges during pigging operations. Through rigorous technical audit of separator sizing calculations (API 12J / GPSA) and steady-state hydraulic modeling in PIPESIM with topside slug catcher surge verification in HYSYS Dynamics, I identified key discrepancies in contractor liquid retention assumptions and inhibitor injection rates, issuing formal Technical Queries (TQs) to safeguard downstream processing facilities.\n\nStandards:\n\n-   API 14E (Design of Piping Systems)\n-   API 12J (Separators)\n-   ISO 13703\n-   GPSA Sec 7\n\nStack:\n\n-   SLB PIPESIM\n-   Aspen HYSYS Upstream\n-   HYSYS Dynamics\n-   Bluebeam Revu\n\nEnergy Transition & DecarbonizationINSAT Research Initiative\n\nJan 2025 – May 2025•STUDY #05\n\n### Techno-Economic Assessment: SMR with Carbon Capture vs. Alkaline Water Electrolysis\n\nConducted a comparative techno-economic assessment (TEA) of industrial hydrogen production via Steam Methane Reforming (SMR) integrated with Carbon Capture and Storage (CCS) vs. Alkaline Water Electrolysis (AWE). Focused on Aspen HYSYS flowsheet simulation, primary reformer equilibrium, pre- and post-combustion heat integration, steam-to-carbon ratio optimization, and Microsoft Excel capital/operational expenditure modeling.\n\nCarbon Capture\n\n\\> 95%\n\nDeep SMR + CCS Decarbonization\n\nSteam-to-Carbon Ratio (S/C)\n\nS/C: 2.5–3.0\n\nCatalyst Coking Suppression Envelope\n\nHeat Integration\n\nWaste Heat Rec.\n\nSyngas & Flue Gas to Capture Reboiler\n\nEconomic Modeling\n\nMicrosoft Excel\n\nDiscounted Cash Flow TEA (CAPEX/OPEX)\n\n**Engineering Challenge:**Achieving deep decarbonization (> 95% total CO₂ capture) in Steam Methane Reforming without imposing prohibitive energy penalties or levelized cost escalation. The technical challenge required optimizing the reformer reaction equilibrium and steam-to-carbon ratio (S/C: 2.5–3.0) to prevent catalyst coking, while maximizing waste heat recovery across syngas effluent and flue gas convection coils to supply the thermal regeneration duty of the amine-based CO₂ capture unit. By integrating Aspen HYSYS flowsheet simulation with capital and operational cost models in Microsoft Excel, I evaluated the trade-offs between SMR + CCS heat integration and renewable-powered alkaline electrolysis under real-world industrial utility and economic constraints.\n\nStandards:\n\n-   ISO 14040/14044 (Life Cycle Assessment)\n-   GPSA Section 21\n-   IEA Greenhouse Gas R&D Guidelines\n\nStack:\n\n-   Aspen HYSYS\n-   Microsoft Excel\n-   Flowsheet Material & Energy Balances\n-   TEA Workbooks\n\nDigital Process AutomationEngineering Innovation\n\n2026•STUDY #06\n\n### Process Engineering Automation & Deliverable Generator\n\nDeveloped automated process calculation and deliverable generation modules in Python and Microsoft Excel to eliminate manual transcription from simulation flowsheets. Automated equipment sizing, rating checks, and datasheet generation for safety relief valves (API 520 / 521), two-phase separators (API 12J), and centrifugal pump hydraulic calculations (TDH, NPSHa margins, and process datasheet preparation aligned with API 610 / Shell DEP formats).\n\nTurnaround Time\n\n10x Faster\n\nAutomated Equipment Sizing & Checks\n\nSafety Relief\n\nAPI 520 / 521\n\nProgrammed PSV Sizing Equations\n\nSeparators & Pumps\n\nAPI 12J & 610\n\nVessel Rating & Pump Hydraulics\n\nCore Tools\n\nPython & Excel\n\nAutomated Engineering Workbooks\n\n**Engineering Challenge:**Process engineers spend excessive hours manually copying stream data and thermodynamic properties from Aspen HYSYS into separate Excel calculation spreadsheets, introducing transcription errors and slowing down deliverable turnaround during tight EPC and FEED schedules.\n\nStandards:\n\n-   API 520 Parts I & II (Relief Sizing)\n-   API 521 (Depressuring Systems)\n-   API 12J (Oil & Gas Separators)\n-   API 610 (Centrifugal Pumps)\n-   Shell DEP Standards\n\nStack:\n\n-   Python\n-   Microsoft Excel\n-   Aspen Simulation Workbook (ASW)\n-   OpenPyXL / Automation Scripts\n-   Engineering Calculation Sheets\n\n// About•Engineering Philosophy & Background\n\n## Engineering safer, optimized chemical and gas plants.\n\nBridging classical industrial thermodynamics with modern computational modeling to deliver verified, high-accuracy EPC engineering.\n\n![INSAT Official Emblem](https://www.hazemensi.com/logos/insat.png)\n\nAcademic Foundation### INSAT\n\nInstitute of Applied Sciences and Technology\n\nDegree Program**Engineering Degree in Chemical & Process Engineering**\n\n2022 – Present • Tunis, Tunisia\n\nKey Academic Curriculum\n\n-   ✓Advanced Chemical Thermodynamics & Phase Equilibria\n-   ✓Separation Processes & Distillation Column Internals\n-   ✓Chemical Reaction Engineering & Industrial Catalysis\n-   ✓Transport Phenomena (Fluid Dynamics & Heat Transfer)\n-   ✓Process Control, Instrumentation & Plant Safety\n\n![Hazem Mensi - Aspen Certified Expert User](https://www.hazemensi.com/images/hazem_mensi-sm.webp)\n\nVerified CredentialAspenTech Verified\n\n**Aspen Certified Expert User**\n\nHazem Mensi • Aspen HYSYS®\n\nDemonstrated mastery in rigorous steady-state simulation, fluid physical property packages (EOS & Activity models), complex column convergence, and dynamic depressuring routines.\n\nIssued: Jul 2025 • Expires: Jul 2028[Verify Credential](https://www.credential.net/cb1c6c8f-da5a-4bd1-92bd-e08479146c60)\n\n### Chemical Process Engineer with Multi-Internship Field & EPC Experience\n\nI am **Hazem Mensi**, a Chemical Process Engineer graduating from **INSAT (Institute of Applied Sciences and Technology)** and an **Aspen Certified Expert User** in Aspen HYSYS. Having completed 3 successive industrial engineering internships across Gas Plant Detailed feasibility / PMC auditing (**EPPM**), cryogenic plant operations (**Air Liquide**), and upstream gas FEED (**OMV**), I am actively seeking an **End-of-Studies / Graduation Internship** starting **February 2027**.\n\nMy technical background is dedicated to high-impact sectors: the **Energy Industry, Chemical & Petrochemical Plants, EPC Consultancies, Energy Transition (CCUS), and Renewable Fuels (Green Hydrogen & E-Fuels)**. With verified mastery in Aspen HYSYS, Aspen Flare System Analyzer, and ProMax, alongside international engineering standards (API 520/521, ASME Sec VIII Div 1, Shell DEP, API 12J, API STD 2000, ISO 14040/14044), I ensure that process simulations translate directly into safe, verifiable, and optimized industrial deliverables.\n\nMy work combines classical thermodynamic principles with computational process modeling. Across flare network relief systems, staggered blowdown depressuring schedules, acid gas treating (MDEA + PZ), cryogenic column packings (-85% ΔP), and multiphase hydraulics, each model is grounded in validated engineering codes, vendor datasheets, and rigorous material balances.\n\nLocation & Mobility\n\nTunis, Tunisia\n\nOpen to worldwide relocation and international rotation\n\nAcademic Degree\n\nChemical & Process Eng.\n\nINSAT National Degree\n\nPrimary Credential\n\nAspen Certified Expert\n\nAspen HYSYS® Certified\n\nGraduation Target\n\n4–6 Month Graduation Internship\n\nAvailable Starting Feb 2027\n\n// Strategic Alignment•Target Industries & Engineering Sectors\n\n## Target industries & sector interests.\n\nFocused on the global energy matrix, chemical manufacturing, EPC execution, industrial decarbonization, and next-generation renewable fuels.\n\nUpstream • Midstream • LNG • Cryogenics01 //\n\n### Energy Industry & Hydrocarbons\n\nRigorous modeling of upstream gas processing, acid gas removal (AGRU), slug catching, cryogenic air separation (ASU), and multiphase flowline transient hydraulics.\n\nCore Focus Areas:\n\n-   Gas Processing & Conditioning\n-   Cryogenic Air Separation Units\n-   Multiphase Pipeline Hydraulics\n-   Hydrate Dissociation & Mitigation\n\nIndustrial FEED with OMV & cryogenic operations with Air Liquide\n\nContinuous Plants • Refining • Internals02 //\n\n### Chemical & Petrochemical Industry\n\nPlant debottlenecking, structured and random column packing rating, heat exchanger network integration, pump hydraulics, and continuous chemical synthesis.\n\nCore Focus Areas:\n\n-   Distillation & Absorption Trains\n-   Structured Packing Hydraulics\n-   Heat Exchanger Networks (HEN)\n-   Pump NPSH & Hydraulics\n\nDirect Contact Heat Exchanger revamp (-85% ΔP) at Air Liquide\n\nFEED • Detail Engineering • PMC Audits03 //\n\n### EPCs & Engineering Consultancies\n\nGas plant detailed feasibility engineering, API 520 safety relief valve calculation sheets, flare header network simulation (FLARENET), equipment datasheets, and PMC technical query (TQ) auditing.\n\nCore Focus Areas:\n\n-   API 520 / 521 PSV Sizing Sheets\n-   FLARENET Hydraulic Backpressure\n-   Process Datasheets & Calculation Books\n-   PMC Technical Query Governance\n\nGas plant EPC design & PMC oilfield audit at EPPM\n\nIndustrial CCUS • Amine Scrubbing • Flaring04 //\n\n### Energy Transition & Decarbonization\n\nPre/post-combustion CO₂ capture, activated MDEA amine solvent modeling, staggered blowdown flaring reduction, and plant energy efficiency optimization.\n\nCore Focus Areas:\n\n-   Amine Acid Gas Removal (MDEA+PZ)\n-   Staggered Blowdown Flaring Abatement\n-   Waste Heat Recovery Integration\n-   Industrial Carbon Footprint Reduction\n\nAcid gas treating optimization & emissions abatement at EPPM\n\nAWE • Blue H₂ (SMR) • Power-to-X05 //\n\n### Renewable Fuels & Clean Hydrogen\n\nTechno-economic modeling (TEA), Levelized Cost of Hydrogen (LCOH), life cycle assessment (ISO 14040/14044), and Power-to-X synthesis (e-fuels, SAF, clean ammonia).\n\nCore Focus Areas:\n\n-   Levelized Cost of Hydrogen (LCOH)\n-   Alkaline Water Electrolysis (AWE)\n-   Steam Methane Reforming + CCS\n-   ISO 14040/14044 Life Cycle Assessment\n\nComprehensive SMR vs. AWE Hydrogen Techno-Economic Assessment\n\nVerified Profile • Technical Toolkit06 // ARSENAL\n\n### The Engineer's Technical Toolkit\n\nA comprehensive, field-tested technical toolkit accumulated across 3 industrial engineering internships, rigorous simulation suites, international safety standards, and techno-economic modeling.\n\n-   ✓**Simulation:** Aspen HYSYS Certified, ProMax, PIPESIM\n-   ✓**Safety & Codes:** API 520/521, ASME Sec VIII Div 1, Shell DEP, API STD 2000\n-   ✓**Engineering Internships:** EPPM (PMC), Air Liquide, OMV (FEED)\n-   ✓**Energy Transition:** CCUS, H₂ TEA & ISO LCA Modeling\n\n[Explore Verified Credentials & Certifications](https://www.hazemensi.com/#certifications)\n\n// Engineering Arsenal•Deep Technical Competencies\n\n### Core engineering disciplines & calculation toolsets.\n\nDetailed engineering competencies across process modeling, plant safety compliance, equipment thermal-hydraulics, and gas treating.\n\nSteady & Dynamic State\n\n#### Process Simulation & Dynamic Analysis\n\nRigorous steady-state and dynamic transient modeling. Hands-on experience in dynamic depressuring, blowdown profiles, flow assurance, and transient slugging analysis.\n\n-   ▪Dynamic depressuring & staggered blowdown analysis\n-   ▪Multiphase flowline hydraulics & line sizing\n-   ▪Gas plant feasibility & transient startup modeling\n\nKey Tools & Codes:\n\n-   Aspen HYSYS®\n-   HYSYS Dynamics\n-   BR&E ProMax\n-   SLB PIPESIM\n\nPlant Safety Lifecycle\n\n#### Pressure Relief & Flare Systems Engineering\n\nDesigning overpressure protection systems that satisfy international safety codes. Sizing relief valves, evaluating staggered blowdown times, and modeling flare network backpressure.\n\n-   ▪PSV orifice sizing and inlet/outlet line hydraulics\n-   ▪Flare header network backpressure (FLARENET) & API 521 stack radiation analysis\n-   ▪Flare Knock-Out Drum (FKOD) sizing & datasheets\n\nKey Tools & Codes:\n\n-   API 520 Parts I & II\n-   API 521\n-   Aspen Flare System Analyzer\n-   FKOD Sizing\n\nHydraulics & Internals\n\n#### Thermal Design & Equipment Retrofit\n\nThermal design and column internals evaluation. Experience in heat exchanger rating, cooling tower operations, and equipment revamps.\n\n-   ▪Heat exchanger thermal design using Aspen EDR\n-   ▪Column internals hydraulic rating (FLEXIPAC® HC, MellapakPlus™, NeXRing™)\n-   ▪Pump hydraulics, NPSH calculations, and datasheets\n\nKey Tools & Codes:\n\n-   Aspen EDR (HTFS)\n-   Sulzer Sulcol\n-   KG-Tower\n-   Aspen Plus\n-   Pump Hydraulics\n\nGas & Clean Tech\n\n#### Gas Treating & Energy Decarbonization\n\nProcess modeling for Acid Gas Removal Units (AGRU) and techno-economic assessment of hydrogen production pathways with carbon capture.\n\n-   ▪Amine solvent modeling with MDEA + piperazine blends\n-   ▪Reboiler energy optimization and sweet gas compliance\n-   ▪SMR hydrogen techno-economic assessment & CCS\n\nKey Tools & Codes:\n\n-   Aspen HYSYS\n-   BR&E ProMax\n-   MDEA + Piperazine\n-   Carbon Capture (CCS)\n\n// Credentials•Verified Certifications & Standards\n\n## Official certifications & engineering credentials.\n\nOfficial accredited digital credentials, AspenTech certifications, practical standards compliance, and hands-on simulation toolsets applied across industrial internships and academic engineering projects.\n\n![AspenTech Modern Blue Logo](https://www.hazemensi.com/logos/aspentech.svg)\n\n### Official Accredible Digital Credential WalletActive & Verified\n\n5 verified AspenTech certifications with cryptographically secured digital badges and live verification records.\n\n[Open Credential.net Wallet](https://www.credential.net/profile/hazemmensi935241/wallet)\n\nMaster SimulationVerified\n\n### Aspen Certified Expert User in Aspen HYSYS®\n\nAspen Technology\n\n![AspenTech Modern Blue Logo](https://www.hazemensi.com/logos/aspentech.svg)\n\nIssued:**Jul 2025**•Expires:**Jul 2028**\n\nDemonstrated certified competence in steady-state process simulation, thermodynamic models, column convergence, optimization, and dynamic depressuring routines.\n\nID: cb1c6c8f...\n\n[PDF](https://www.hazemensi.com/certificates/AspenTech_Certified_Expert_User_Hazem_Mensi_CERT00016555.pdf \"View official certificate PDF\")[Verify](https://www.credential.net/cb1c6c8f-da5a-4bd1-92bd-e08479146c60)\n\nThermal-Hydraulic RatingVerified\n\n### Aspen Certified User in Aspen Shell & Tube Exchanger\n\nAspen Technology (Aspen EDR)\n\n![AspenTech Modern Blue Logo](https://www.hazemensi.com/logos/aspentech.svg)\n\nIssued:**Jul 2025**•Expires:**Jul 2028**\n\nCertified expertise in thermal and hydraulic rating, vibration analysis, and mechanical optimization of shell and tube heat exchangers using Aspen EDR (HTFS).\n\nID: a6ab0933...\n\n[PDF](https://www.hazemensi.com/certificates/AspenTech_Shell_and_Tube_Exchanger_Hazem_Mensi_CERT00017116.pdf \"View official certificate PDF\")[Verify](https://www.credential.net/a6ab0933-ac77-45b3-9137-ea4a5b8a4268)\n\nDecarbonization & AGRUVerified\n\n### Amine-Based Carbon Capture Process Optimization using Aspen HYSYS®\n\nAspen Technology\n\n![AspenTech Modern Blue Logo](https://www.hazemensi.com/logos/aspentech.svg)\n\nIssued:**Jul 2025**•Expires:**Jul 2028**\n\nSpecialized certification in modeling, rate-based absorption kinetics, solvent optimization (MDEA/piperazine), and reboiler duty reduction for CO₂ capture flowsheets.\n\nID: 65da1870...\n\n[PDF](https://www.hazemensi.com/certificates/AspenTech_Amine_Carbon_Capture_Hazem_Mensi_CERT00017014.pdf \"View official certificate PDF\")[Verify](https://www.credential.net/65da1870-7685-4d27-bcb6-80928d57971f)\n\nHydrogen & CCSVerified\n\n### Sustainability Fundamentals: Process Modeling CO₂ Capture & H₂ Production\n\nAspen Technology\n\n![AspenTech Modern Blue Logo](https://www.hazemensi.com/logos/aspentech.svg)\n\nIssued:**Jun 2025**•Expires:**Jun 2028**\n\nAdvanced modeling of blue hydrogen flowsheets, steam methane reforming (SMR) with CCS integration, and electrolytic hydrogen production.\n\nID: e7aad773...\n\n[PDF](https://www.hazemensi.com/certificates/AspenTech_Sustainability_Carbon_Capture_Hydrogen_Hazem_Mensi.pdf \"View official certificate PDF\")[Verify](https://www.credential.net/e7aad773-5bb7-438c-be1a-8d4f94251e29)\n\nCore SimulationVerified\n\n### Aspen Certified User in Aspen HYSYS®\n\nAspen Technology\n\n![AspenTech Modern Blue Logo](https://www.hazemensi.com/logos/aspentech.svg)\n\nIssued:**Apr 2025**•Expires:**Apr 2028**\n\nOfficial AspenTech certification verifying comprehensive competence in flowsheet design, unit operations, stream thermodynamics, and separation processes.\n\nID: 615d03ee...\n\n[PDF](https://www.hazemensi.com/certificates/AspenTech_Certified_User_HYSYS_Hazem_Mensi_CERT00015878.pdf \"View official certificate PDF\")[Verify](https://www.credential.net/615d03ee-523d-487c-be12-a1b772ee3e19)\n\nISO 14040 / 14044Verified\n\n### Life Cycle Assessment (LCA)\n\nUniversity of Michigan (Coursera)\n\n![University of Michigan Official Emblem](https://www.hazemensi.com/logos/umich.png)\n\nIssued:**Dec 2024**\n\nComprehensive qualification covering LCA methodology, ISO 14040/14044 compliance, life cycle inventory modeling, environmental impact assessment, and carbon footprinting.\n\nID: W2SYN8SK...\n\n[Verify](https://www.coursera.org/account/accomplishments/verify/W2SYN8SKMVWD)\n\nC2 Proficient (75/100)Verified\n\n### EF SET English Certificate – C2 Proficient (75/100)\n\nEF Standard English Test (EF SET)\n\n![EF SET Official Logo](https://www.hazemensi.com/logos/efset.svg)\n\nIssued:**Dec 2025**\n\nScore: 75/100 (Reading: 78/100 C2, Listening: 71/100 C2). Verified CEFR C2 English mastery in technical, operational, and executive engineering communication.\n\nID: uSYWqV...\n\n[Verify](https://cert.efset.org/en/uSYWqV)\n\n// Technical Verification:\n\nCertified User\n\n01 // Technical Competency Domain\n\n### Process Simulation & Flow Assurance\n\n7 Competencies\n\nDynamic & steady-state process simulation, slugging, hydrate inhibition, and relief analysis.\n\n-   **Aspen HYSYS®**\n\n    AspenTech Certified Expert User (CERT00016555) · Applied at OMV & EPPM\n\n    Certified\n\n-   **HYSYS Dynamics**\n\n    Depressuring, blowdown, transient startup modeling\n\n-   **BR&E ProMax**\n\n    Electrolytic & acid gas sweetening (AGRU at OMV)\n\n-   **SLB PIPESIM / OLGA**\n\n    Multiphase flowline hydraulics & flow regimes\n\n-   **Aspen Flare System Analyzer (FLARENET)**\n\n    Relief network hydraulic backpressure verification at EPPM\n\n-   **Aspen Plus & PetroSim**\n\n    Chemical processes & cryogenic column retrofit at Air Liquide\n\n-   **AFT Fathom & AFT Impulse**\n\n    Incompressible hydraulics & water hammer analysis\n\n02 // Technical Competency Domain\n\n### Equipment Rating & Thermal Design\n\n6 Competencies\n\nHeat transfer optimization, column internals rating, and rotating equipment hydraulics.\n\n-   **Aspen EDR (HTFS)**\n\n    AspenTech Certified User in Shell & Tube Exchangers · EPC & Plant rating\n\n    Certified\n\n-   **HTRI Xchanger Suite**\n\n    Thermal design & vibration analysis\n\n-   **Sulzer Sulcol & KG-Tower**\n\n    Structured/random packing hydraulics & DCHE at Air Liquide\n\n-   **Separator & KO Drum Sizing**\n\n    API 521 droplet settlement & liquid hold-up at EPPM\n\n-   **Pump Hydraulics & NPSH**\n\n    NPSHa/NPSHr margin, system curve calculations\n\n-   **Safety Relief Valves (PSV)**\n\n    API 520 critical flow gas & liquid orifice sizing at EPPM\n\n03 // Technical Competency Domain\n\n### Engineering Codes & Standards\n\n7 Competencies\n\nInternational codes governing plant design, relief headers, and piping systems.\n\n-   **API 520 Parts I & II**\n\n    Sizing, Selection & Installation of Relief Devices at EPPM\n\n-   **API 521 / ISO 23251**\n\n    Pressure-relieving and Depressuring Systems at EPPM\n\n-   **API 12J**\n\n    Specification for Oil and Gas Separators\n\n-   **Shell DEP**\n\n    Design and Engineering Practice specifications\n\n-   **API STD 2000**\n\n    Venting Atmospheric & Low-Pressure Storage Tanks\n\n-   **GPSA Engineering Data Book**\n\n    Gas processing, dehydration, amine sweetening at OMV\n\n-   **API 14E & ASME B31.3**\n\n    Erosional velocity screening (API 14E) & process piping design pressure (ASME B31.3)\n\n04 // Technical Competency Domain\n\n### Engineering Computing & Drafting Toolsets\n\n5 Competencies\n\nEngineering documentation, drafting review, computational analysis, and environmental assessment.\n\n-   **AutoCAD P&ID & Bluebeam Revu**\n\n    PFDs, P&IDs, and engineering drafting review at OMV & EPPM\n\n-   **MS Excel Engineering Workbooks**\n\n    Process datasheets, H&MB calculations, hydraulic check sheets\n\n-   **Python**\n\n    Process engineering calculations & data analysis\n\n-   **LCA & Carbon Accounting (ISO 14040)**\n\n    University of Michigan verified course qualification · Applied at EPPM\n\n    Certified\n\n-   **Git & GitHub**\n\n    Version control & project tracking\n\n// Student Life•Volunteerism & Technical Societies\n\n## Student life & volunteerism.\n\nActive leadership, club foundation, media direction, and technical community management across engineering student branches.\n\nFounding Committee Member & Media Manager\n\nApr 2024 – Jan 2025•01 //\n\n### SecuriNets ENSIT\n\nNational Engineering School of Tunis (ENSIT) • Cybersecurity Club\n\n-   Co-founded the cybersecurity club and helped establish its initial structure, technical roadmap, and core activities.\n\n-   Organized DarkNets CTF (Capture The Flag), drawing 200+ attendees and recruiting 50+ active members.\n\nEvent Scale\n\n200+ Attendees\n\nCommunity Growth\n\n50+ Members Recruited\n\n-   Club Foundation\n-   DarkNets CTF\n-   Media Direction\n-   200+ Attendees\n-   50+ Members\n\nMedia Manager\n\nSep 2023 – May 2024•02 //\n\n### IEEE PES × PELS Joint Chapter Student Branch\n\nPower & Energy Society (PES) × Power Electronics Society (PELS)\n\n-   Led a three-member media team and created more than 60 social media publications.\n\n-   Increased the chapter’s visibility and contributed to 250% membership growth.\n\nContent Deliverables\n\n60+ Publications\n\nChapter Expansion\n\n+250% Membership Growth\n\n-   Media Team Leadership\n-   60+ Publications\n-   PES & PELS\n-   +250% Growth\n\n// Contact•Graduation Internship & Recruitment\n\n## Connect to discuss a 4–6 Month Graduation Internship starting February 2027.\n\nActively seeking a 4–6 Month Graduation Internship starting **February 2027** across the Energy Industry, Chemical & Petrochemical Plants, EPC Consultancies, Energy Transition (CCUS), and Renewable Fuels.\n\n[\n\nDirect Channel@hazemensiDirect technical messaging & rapid inquiry](https://t.me/hazemensi)[\n\nProfessional NetworkHazem MensiIndustrial credentials, career trajectory & references](https://www.linkedin.com/in/hazemensi)[\n\nFormal Correspondence\\[email protected\\]Academic engineering inquiries & internship proposals](https://www.hazemensi.com/cdn-cgi/l/email-protection#c48ca5bea1a9ea89a1aab7ad84adaab7a5b0eab1a7a5b6eab0aafbb7b1a6aea1a7b0f983b6a5a0b1a5b0adabaae1f6f48daab0a1b6aab7acadb4e1f6f48bb4b4abb6b0b1aaadb0bde1f6f4e9e1f6f48ca5bea1a9e1f6f489a1aab7ad)\n\nAvailable for 4–6 Month Graduation Internship Worldwide (Starting Feb 2027)Based in Tunis, Tunisia • Open to worldwide relocation and international rotation\n\n[Telegram @hazemensi](https://t.me/hazemensi)[Download Resume (PDF)](https://www.hazemensi.com/Hazem_Mensi_Resume.pdf)\n\n[@hazemensi](https://t.me/hazemensi)[LinkedIn](https://www.linkedin.com/in/hazemensi)\n\n[Download Resume (PDF)](https://www.hazemensi.com/Hazem_Mensi_Resume.pdf)[Get in Touch →](https://www.hazemensi.com/#contact)\n",
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  "llmsTxtPreview": "# Hazem Mensi Portfolio\n\n> Chemical Process Engineer graduating from INSAT (Institute of Applied Sciences and Technology), Aspen HYSYS Certified Expert User, specializing in Energy Industry, Chemical Plants, EPCs, CCUS, and Renewable Fuels.\n\n## Main\n- [Hazem Mensi | Chemical Process Engineer & Certified Aspen HYSYS Expert](https://www.hazemensi.com/): INSAT Chemical Process Engineer & certified Aspen HYSYS expert. Specialized in EPC flare safety (API 520/521), amine ga…\n- [Resume (PDF)](https://www.hazemensi.com/Hazem_Mensi_Resume.pdf)\n- [Dedicated Page](https://www.hazemensi.com/case-studies/marsa-el-brega/)\n- [Dedicated Page](https://www.hazemensi.com/case-studies/agru-optimization/)\n- [Dedicated Page](https://www.hazemensi.com/case-studies/dche-retrofit/)\n- [Dedicated Page](https://www.hazemensi.com/case-studies/naft-khana-flowline/)\n- [Dedicated Page](https://www.hazemensi.com/case-studies/hydrogen-techno-economic/)\n- [Dedicated Page](https://www.hazemensi.com/case-studies/process-automation-platform/)\n- [[email protected]](https://www.hazemensi.com/cdn-cgi/l/email-protection)\n\n",
  "llmsTxtExisting": "# Hazem Mensi | Chemical Process Engineer\n\n> Portfolio: https://www.hazemensi.com/\n> Contact: [email protected] | LinkedIn: https://www.linkedin.com/in/hazemensi | Telegram: @hazemensi\n> Availability: 4–6 Month End-of-Studies / Graduation Internship starting February 2027\n> Mobility: Open to worldwide relocation and international rotation\n\n## Summary\nHazem Mensi is a Chemical Process Engineering student at INSAT (Tunisia) and an official Aspen Certified Expert User in Aspen HYSYS (CERT00016555). His engineering background combines Front-End Engineering Design (FEED), operational revamps, and PMC technical auditing across 3 completed industrial internships: EPPM (8 months - Marsa El Brega gas plant feasibility and Naft Khana oilfield rehabilitation), Air Liquide (2 months - ASU cryogenic DCHE retrofit), and OMV (2 months - Nawara CPF amine sweetening tie-in).\n\n## Key Resources\n- [Canonical Markdown Portfolio](https://www.hazemensi.com/index.md): Complete technical dossier and case study documentation formatted for AI agents and LLMs.\n- [Full LLM Technical Dataset](https://www.hazemensi.com/llms-full.txt): Comprehensive plaintext dataset including full case study dossiers (simulation methodology, engineering trade-offs, and technical FAQs), verified credentials, and complete career history for single-request ingestion.\n- [Curriculum Vitae (PDF)](https://www.hazemensi.com/Hazem_Mensi_Resume.pdf): Official resume with verified internship history and credentials.\n\n## Case Studies\n- [Marsa El Brega Gas Plant Feasibility](https://www.hazemensi.com/case-studies/marsa-el-brega/): Emergency relief per API 520/521, Aspen HYSYS Dynamics staggered blowdown depressuring to 50% design pressure in 15 minutes, and flare network hydraulic backpressure analysis in FLARENET.\n- [Nawara CPF Amine Sweetening Tie-In](https://www.hazemensi.com/case-studies/agru-optimization/): Sour gas sweetening simulation in ProMax & HYSYS optimizing solvent formulation to 40 wt% MDEA + 2 wt% piperazine, achieving 1.86 mol% CO₂ while cutting reboiler duty to 3,500 kW.\n- [Cryogenic DCHE Column Retrofit](https://www.hazemensi.com/case-studies/dche-retrofit/): Cryogenic direct contact cooling column revamp in Sulcol & KG-Tower benchmarking high-performance structured packings to deliver -85% ΔP (dP) and +35% flooding headroom.\n- [Naft Khana Oilfield PMC](https://www.hazemensi.com/case-studies/naft-khana-flowline/): PMC technical audit of gathering network multiphase flowline hydraulics in SLB PIPESIM, slug catcher dynamic surge in HYSYS Dynamics, and API 12J separator audit.\n- [Hydrogen Techno-Economics](https://www.hazemensi.com/case-studies/hydrogen-techno-economic/): Comparative techno-economic assessment of SMR + CCS vs. AWE, optimizing S/C: 2.5–3.0, >95% carbon capture, and dual-stage waste heat integration.\n- [Process Automation Platform](https://www.hazemensi.com/case-studies/process-automation-platform/): Engineering automation toolset in Python & Excel eliminating manual flowsheet transcription for API 520/521 relief valve sizing, API 12J separators rating, and API 610 pumps hydraulics.\n\n## Verified Credentials\n- [Aspen Certified Expert User in Aspen HYSYS](https://www.credential.net/cb1c6c8f-da5a-4bd1-92bd-e08479146c60): Credential ID cb1c6c8f-da5a-4bd1-92bd-e08479146c60\n- [Aspen Certified User in Aspen Shell & Tube Exchanger (EDR)](https://www.credential.net/a6ab0933-ac77-45b3-9137-ea4a5b8a4268): Credential ID a6ab0933-ac77-45b3-9137-ea4a5b8a4268\n- [Amine-Based Carbon Capture Process Optimization in HYSYS](https://www.credential.net/65da1870-7685-4d27-bcb6-80928d57971f): Credential ID 65da1870-7685-4d27-bcb6-80928d57971f\n- [Sustainability Fundamentals: Process Modeling CO₂ Capture & H₂](https://www.credential.net/e7aad773-5bb7-438c-be1a-8d4f94251e29): Credential ID e7aad773-5bb7-438c-be1a-8d4f94251e29\n- [Aspen Certified User in Aspen HYSYS](https://www.credential.net/615d03ee-523d-487c-be12-a1b772ee3e19): Credential ID 615d03ee-523d-487c-be12-a1b772ee3e19\n- [Life Cycle Assessment (LCA) ISO 14040/14044](https://www.coursera.org/account/accomplishments/verify/W2SYN8SKMVWD): Credential ID W2SYN8SKMVWD (University of Michigan)\n- [EF SET English Certificate C2 Proficient (75/100)](https://cert.efset.org/en/uSYWqV): Credential ID uSYWqV\n\n## Optional / Machine Protocols\n- [API Catalog (RFC 9727)](https://www.hazemensi.com/.well-known/api-catalog): Linkset catalog of available APIs and agent interfaces.\n- [OpenAPI 3.0 Specification](https://www.hazemensi.com/.well-known/openapi.json): Machine-readable schema for portfolio query endpoints.\n- [Model Context Protocol (MCP) Server Card](https://www.hazemensi.com/.well-known/mcp/server-card.json): MCP server definition and tool endpoints.\n- [A2A Agent Card](https://www.hazemensi.com/.well-known/agent-card.json): Agent-to-Agent protocol discovery card.\n- [ARD Capability Manifest](https://www.hazemensi.com/.well-known/ai-catalog.json): Autonomous Resource Discovery manifest.\n- [Agent Skills Discovery](https://www.hazemensi.com/.well-known/agent-skills/index.json): Machine-readable catalog of agent skills.\n- [Web Bot Auth Directory](https://www.hazemensi.com/.well-known/http-message-signatures-directory): HTTP message signatures cryptographic key directory.\n- [Agent Authentication Specification](https://www.hazemensi.com/auth.md): Authentication requirements and claim endpoints for autonomous agents.",
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      "resource": "https://www.hazemensi.com",
      "authorizationServers": [
        "https://www.hazemensi.com"
      ],
      "scopesSupported": [
        "profile:read",
        "projects:read"
      ]
    },
    "oauthDiscovery": {
      "exists": true,
      "url": "https://www.hazemensi.com/.well-known/oauth-authorization-server",
      "issuer": "https://www.hazemensi.com",
      "authorizationEndpoint": "https://www.hazemensi.com/oauth/authorize",
      "tokenEndpoint": "https://www.hazemensi.com/oauth/token",
      "grantTypesSupported": [
        "authorization_code",
        "client_credentials"
      ],
      "scopesSupported": [
        "profile:read",
        "projects:read"
      ]
    },
    "mcpServerCard": {
      "exists": true,
      "url": "https://www.hazemensi.com/.well-known/mcp/server-card.json",
      "draft": true,
      "name": "hazem-mensi-chemical-engineering-mcp",
      "version": "1.0.0",
      "description": "Model Context Protocol server exposing Chemical Process Engineering knowledge, Aspen HYSYS simulation portfolio, API 520/521 flare relief calculations, and credential verification for Hazem Mensi.",
      "transport": null,
      "tools": 4,
      "resources": null,
      "prompts": null
    },
    "a2aAgentCard": {
      "exists": true,
      "url": "https://www.hazemensi.com/.well-known/agent-card.json",
      "name": "Hazem Mensi Process Engineering Agent",
      "version": "1.0.0",
      "description": "Autonomous Chemical Process Engineering agent representing Hazem Mensi. Specializes in Aspen HYSYS steady-state & dynamic simulations, API 520/521 flare network hydraulics, acid gas treating (AGRU) solvent optimization, and verified AspenTech credentials.",
      "capabilities": 3,
      "skills": 5,
      "endpoint": "https://www.hazemensi.com"
    },
    "apiCatalog": {
      "exists": true,
      "url": "https://www.hazemensi.com/.well-known/api-catalog",
      "contentType": "application/linkset+json; charset=utf-8",
      "validMediaType": true,
      "apis": 1
    },
    "agentSkills": {
      "exists": true,
      "url": "https://www.hazemensi.com/.well-known/agent-skills/index.json",
      "draft": true,
      "schema": "https://schemas.agentskills.io/discovery/0.2.0/schema.json",
      "skills": 2,
      "names": [
        "process-engineering-profile",
        "agent-authentication-protocol"
      ]
    },
    "count": 6,
    "total": 6
  },
  "botAccess": {
    "probed": true,
    "bot": "OAI-SearchBot",
    "controlStatus": 200,
    "botStatus": 200,
    "discriminates": false,
    "refusedAsBot": false,
    "edge": "Cloudflare",
    "verifiable": false,
    "detail": "This origin answers OAI-SearchBot exactly as it answers any other client (200). No edge-level filtering of AI crawlers observed."
  },
  "snippets": []
}

Use our API to get this programmatically (coming soon)