active ingredient of Aspen Plus
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In Aspen Plus, using the Extract function in Columns, within the Setup – Key Components section, it is necessary to select one from the available components as the key components. How to set this option?
Generally, it is the target product you are aiming for, or the key components that are representative of the separation process. As for these key components, I recommend checking the section on multi-effect distillation in the principles of chemical engineering, where detailed explanations are provided
The key components are used to identify the first and second liquid phases; the extract module treats the first liquid phase as the dissolved extract
Agree with the third floor; generally, the reconstituted fraction is defined as first
Actually, it can be set however you like; just make sure the settings for the front and back don’t conflict with each other, and I think that should work fine.