Setting an excessive heat removal duty on an upper pump-around loop can completely dry out lower trays. Always lower your heat duties to a baseline state, then ramp them up gradually to find the tower's balance point.
As the refining industry shifts toward configurations and stricter environmental regulations (like IMO 2020), the ability to simulate and tweak Unit O is invaluable. A well-optimized Hysys model can lead to a 1–3% increase in high-value liquid recovery, which translates to millions of dollars in annual revenue for a mid-to-large scale refinery. Conclusion
Track parameters like RON (Research Octane Number) , Reid Vapor Pressure (RVP), and Cetane Index.
Use the "Refining Column" sub-flowsheet to build complex towers with multiple draws and strippers.
Preparing model data to be readable by Aspen PIMS (Process Industry Modeling System) for refinery planning. Key Unit Operations Covered
Modeling the extraction of diesel, kerosene, and Naphtha.
For individual engineers, completing this training offers a substantial return on investment. It provides the practical knowledge and hands-on experience to build accurate, robust refinery models, reducing time spent on troubleshooting and allowing for faster, more confident decision-making. Mastering these skills can also help companies by enabling them to: