ปรินทร หวังศิริเวช

Process Engineer with over 12 years of experience in petrochemical and refinery projects, covering FEED, detailed design, site support, and commissioning activities. Strong technical background in heat exchanger design including Shell & Tube, Air Cooler, and Thermosyphon Reboilers (horizontal and vertical), with practical experience using HTRI. Proven capability in hydraulic calculation, pump sizing, and multidisciplinary coordination within EPC project environments.

Process Engineer at Thyssenkrupp Uhde (Thailand) Ltd. (2017-07 – Present)

Responsible for process engineering activities for petrochemical and refinery projects across FEED, detailed design, site support, and commissioning phases

• Heat exchanger design (Shell & Tube, Air Cooler, Thermosyphon Reboiler – Horizontal & Vertical) using HTRI
• Performed heat exchanger design, rating, and verification using HTRI for multiple services including condensers, coolers, heaters, and thermosyphon reboilers
• Line sizing and hydraulic calculation (Single-phase & Two-phase)
• Pump Sizing and NPSHa Evaluation
• Performed process simulation of distillation columns using Aspen Plus
• Heat balance and heat loss calculation
• Tank and vessel sizing
• Supported surge and force analysis calculation using Pipenet (Transient module)
• Phase separator sizing
• Prepared and reviewed PFDs, P&IDs and MSDs
• Developed process description
• Developed process control narratives, cause & effect diagrams, and alarm and set point lists
• Developed sequence description
• Control valve sizing
• Orifice sizing
• Hazardous Area Classification
• Conducted interviews for graduate Process Engineer candidates
• Provided technical clarification support at Thyssenkrupp office in Dortmund, Germany
• Provided technical clarification support for batch sequence programming in Ratingen, Germany
• International assignment at Thyssenkrupp office in Dortmund, Germany for 7 months, supporting project execution
• Factory Acceptance Test (FAT) for Batch Sequence Description
• Executed batch sequence testing during plant commissioning in Tiszaújváros, Hungary
• Executed interlock testing with the client at the plant in Tiszaújváros, Hungary
• Assisted in PSV sizing and relief case evaluation for process systems
• Participated in HAZOP and LOPA studies as Lead Process Engineer for an international project in Gresik, Indonesia
• Prepared equipment and instrument process datasheets and supported design reviews
• Mentored and supervised engineering interns on daily technical tasks

Process Engineer at GC Maintenance and Engineering Co., Ltd. (GCME) (2013-05 – 2017-06)

• Process simulation of Distillation Column
• Heat exchanger design (Shell & Tube, Air Cooler, Thermosyphon Reboiler – Horizontal & Vertical) using HTRI
• Involved in thermosyphon reboiler hydraulic calculation
• Conducted pump sizing, hydraulic calculation and NPSHa calculation
• Tank and vessel sizing
• Heat balance and heat loss calculation
• Control valve sizing
• Supported fire water system hydraulic calculations using Pipenet (Spray-Sprinkler module) and surge analysis using Pipenet (Transient module)
• Prepared equipment and instrument process datasheets and supported design reviews
• Distillation Column Trainer
• Mentored and supervised engineering interns on daily technical tasks

Internship at Clariant Masterbatches (Thailand) Ltd. (2012 – 2012)

Tutor (Chemistry and Mathematics) at Self-employed (2008 – Present)

Bachelor of Engineering in Chemical Engineering – Chulalongkorn University (2009 – 2012)

High School in Sciences Maths – Triamudomsuksanomkloa School (2003 – 2008)