NetMap's Technical Help Guide

The heart of the refinery is the Crude Distillation Unit. In HYSYS, modeling this requires:

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)

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?

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

Track properties like RON (Research Octane Number) , Pour Point , and Flash Point throughout the flowsheet. Conclusion

In the complex world of chemical engineering, the ability to accurately model refinery operations isn't just a skill—it’s a necessity for optimizing yield and ensuring safety. The course is the industry standard for professionals looking to master the simulation of a petroleum refining unit.

The software uses advanced thermodynamics (like Peng-Robinson or Grayson-Streed) specifically tuned for heavy hydrocarbons.

When working with a petroleum refining unit in HYSYS, the simulation typically breaks down into several critical steps: 1. Crude Assay Characterization

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