The heart of the refinery is the Crude Distillation Unit. In HYSYS, modeling this requires:
When working with a petroleum refining unit in HYSYS, the simulation typically breaks down into several critical steps: 1. Crude Assay Characterization
Use the "Refining Column" sub-flowsheet to build complex towers with multiple draws and strippers. ehy2102 aspen hysys petroleum refiningunit o
Track properties like RON (Research Octane Number) , Pour Point , and Flash Point throughout the flowsheet. Conclusion
For the heavier bottoms of the atmospheric tower, the Vacuum Unit is simulated to recover vacuum gas oils (VGO) for downstream cracking. HYSYS helps engineers determine the optimal vacuum pressure to maximize recovery without "cracking" the oil prematurely in the furnace. Why Use Aspen HYSYS for Refining? The heart of the refinery is the Crude Distillation Unit
You can run "What-If" scenarios. For example: "If the price of Diesel goes up, how can I adjust my CDU cut points to produce more Diesel while maintaining flash point specs?"
Those focusing on the curriculum typically walk away with the ability to: Track properties like RON (Research Octane Number) ,
Simulating how crude is warmed before entering the column.