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Why Excel?!

Learn why we usually use Excel to solve these separation process problems. 

How to model a multi-stage distillation column?

Solving for all unknown variables at once is overwhelming when you are talking about a 10-tray column. The Lewis method is an elegant way to analyze these columns. 

Where do Wilson equation constants come from?

Would you believe that VLE can be predicted using just the azeotrope compositions?

What happens when there are more than two chemicals?

Learn how to use the Lewis method to analyze multi-stage distillation columns separating three or more chemicals.

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