# Process Engineering Automation & Deliverable Generator

- **Organization / Host**: Engineering Innovation
- **Role**: Process Systems Developer
- **Timeline**: 2026
- **Location**: Tunisia
- **Domain**: Digital Process Automation

## Executive Summary
Developed 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).

## Key Technical Metrics
- **Turnaround Time**: 10x Faster (Automated Equipment Sizing & Checks)
- **Safety Relief**: API 520 / 521 (Programmed PSV Sizing Equations)
- **Separators & Pumps**: API 12J & 610 (Vessel Rating & Pump Hydraulics)
- **Core Tools**: Python & Excel (Automated Engineering Workbooks)

## Engineering Challenge & Technical Mandate
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.

## Process Simulation & Tools Used
- Python
- Microsoft Excel
- Aspen Simulation Workbook (ASW)
- OpenPyXL / Automation Scripts
- Engineering Calculation Sheets

## Standards & Codes Applied
- API 520 Parts I & II (Relief Sizing)
- API 521 (Depressuring Systems)
- API 12J (Oil & Gas Separators)
- API 610 (Centrifugal Pumps)
- Shell DEP Standards

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*Published by Hazem Mensi — Chemical Process Engineer (https://www.hazemensi.com)*