The heart of the refinery is the Crude Distillation Unit. In HYSYS, modeling this requires:
The software uses advanced thermodynamics (like Peng-Robinson or Grayson-Streed) specifically tuned for heavy hydrocarbons.
EHY2102 is a specialized training module designed by AspenTech. It focuses specifically on the environment within the HYSYS software. Unlike general steady-state modeling, this unit deals with the unique challenges of "black oil" or crude assays, where the feed isn't just a few simple molecules, but thousands of different hydrocarbons. Core Components of the Refining Unit Simulation ehy2102 aspen hysys petroleum refiningunit o
Blend multiple crudes to see how a "cocktail" feed affects the refinery.
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?" The heart of the refinery is the Crude Distillation Unit
When working with a petroleum refining unit in HYSYS, the simulation typically breaks down into several critical steps: 1. Crude Assay Characterization
The foundation of any refinery model is the (Assay Management). HYSYS allows users to import crude oil data (like API gravity, distillation curves, and sulfur content) to create a representative molecular characterization. EHY2102 teaches you how to use the "Petroleum Refining" property package to turn a lab report into a digital feed. 2. The Atmospheric Distillation Unit (CDU) It focuses specifically on the environment within the
Use the "Refining Column" sub-flowsheet to build complex towers with multiple draws and strippers.
Managing the heat duty and liquid-vapor traffic inside the tower. 3. Vacuum Distillation (VDU)