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Separation Process Engineering: Includes Mass Transfer Analysis, Third Edition by Phillip C. Wankat

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18.9 Checklist for Practical Design and Operation

There are always practical considerations in the design of separation systems that may not be obvious based on the theories. Since the practical considerations for adsorption, chromatography, and ion exchange are very different than for the other separations considered in this book, they have been collected here.

1. Broadly speaking, the sorption (feed) step makes money, and the regeneration step costs money. The optimum sorbent is often a trade-off between these two steps (relatively strong sorption to process the feed, but not so strong that regeneration is not feasible).

2. Regeneration (broadly defined) is always a key cost and is often the controlling cost. These costs are: TSA—energy for ...

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