ENG. ANDREW OMWENGA • CONSULTING SOLUTIONS

Process Simulation, Thermal Rating & Python Automation Solutions

I help industrial plant operators, EPC teams, and chemical engineers resolve complex thermodynamic bottlenecks, quantify fouling energy penalties, and automate simulation sensitivity studies using Aspen HYSYS, Aspen Plus, Aspen EDR, and Python.

Aspen V14HYSYS, Plus & EDR
Python COMAutomated Flowsheets
Sub-12 MoTypical Client Payback
Process Simulation & Engineering
Eng. Andrew Omwenga3 Core Pillars

Simulation flowsheets, thermal exchanger ratings, and automated Python predictive models.

MY CORE CONSULTING CAPABILITIES

Three Specialized Pillars of Engineering Practice

Explore how I apply process engineering software and custom automation scripts to solve plant-scale challenges.

PILLAR 01 OF 03

Process Simulation & Flowsheet Optimization

Rigorous Steady-State & Dynamic Modeling in Aspen HYSYS and Aspen Plus

I build high-fidelity thermodynamic process models in Aspen HYSYS and Aspen Plus to evaluate plant designs, debottleneck operating units, optimize distillation columns, and verify rigorous material and energy balances.

What I Deliver:
Rigorous thermodynamic fluid package selection (Peng-Robinson, NRTL, Electrolytes)
Distillation column sizing, stage efficiency & reflux ratio optimization
Mass & energy balance closure with operational sensitivity analysis
Process debottlenecking & capacity expansion feasibility studies
Software & Tools I Use:
✓ Aspen HYSYS V14✓ Aspen Plus V14✓ Thermodynamic Property Methods✓ Rate-Based Distillation Models
Typical Impact10% – 25% Operational Efficiency Gain
Payback HorizonSub-12 Month Payback
Emissions BenefitScope 1 Emissions Reduction

Need a Custom Aspen Model or Python Automation Script?

Share your process flowsheet, heat exchanger stream data, or sensitivity parameters with me for a preliminary consulting review.