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SECTOR PROFILE 01 OF 04 • ENG. ANDREW OMWENGA

Oil Refining & Petrochemicals

Crude Preheat Fouling Analysis, Distillation Columns & Energy Recovery

I assist refinery and petrochemical engineering teams in quantifying crude preheat train fouling penalties, optimizing atmospheric CDU towers, and designing heat integration networks that cut furnace fuel costs.

Efficiency Gain9% – 29% Duty Penalties Saved
CO2 Abatement6,000 – 15,000+ t/yr CO2
Typical Payback6 – 12 Month Payback
Oil Refining & Petrochemicals
Oil Refining & Petrochemicals9% – 29% Duty Penalties Saved

Crude Preheat Fouling Analysis, Distillation Columns & Energy Recovery

COMMON SECTOR BOTTLENECKS

Thermal & Process Inefficiencies

✕Severe preheat exchanger fouling forcing fired heaters to burn excess fuel
✕Fired heater bridge wall temperatures approaching metallurgical limits
✕Sub-optimal Pinch topology across atmospheric and vacuum distillation trains
✕Manual sensitivity analysis consuming valuable engineering hours
HOW I INTERVENE

Applied Consulting Interventions

✓Aspen HYSYS & Python automated fouling rate monitoring and cleaning triggers
✓Pinch Analysis heat exchanger network retrofits adding avoided fired duty
✓Aspen EDR shell-and-tube thermal-hydraulic rating and vibration mitigation
✓Distillation column reflux and stage optimization in Aspen Plus

Request an Engineering Assessment for Oil Refining & Petrochemicals

My thermodynamic modeling and Pinch optimization interventions adapt to your plant's exact operating envelope, crude assays, and steam infrastructure.