Mass Transfer
An alkaline solution is used to reduce the concentration of carbon dioxide in a stream from 10% to 0.1% by absorption with irreversible chemical reaction. The overall number of transfer units based on gas phase is

100
9.21
0.001
4.605

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Mass Transfer
In steam distillation, the

Product must be immiscible with water
Temperature is higher than the boiling point of either component
Temperature is more than 100° C
Temperature is 100°C

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