This instructable will guide you, step-by-step, through modeling an elementary distillation tower using the HYSYS software. Using HYSYS can drastically reduce the amount of time spent doing distillation tower calculations by hand. While it may take 1-2 hours to fully complete and understand the model, it is much faster and more reliable than doing numerous calculations by hand. HYSYS also allows the user to modify tower or stream conditions to see how the modifications affect other streams with a few clicks, rather than with numerous more pages of calculations! Please not that the following tutorial is designed for Chemical Engineering students who are familiar with separations and related terminology. It is also expected that the user has already downloaded and is using HYSYS version 8.0 on a Windows computer. 

Step 1: What You'll Need

Parts/Tools Required:

• Computer & Internet access

• HYSYS software downloaded

• License to run HYSYS (usually provided by university)

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