Mass Transfer
The recovery of pencillin from the acidified fermentation broth is done by

Absorption
Evaporation
Distillation
Liquid extraction

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Mass Transfer
Which of the following processes is not an example of adsorption applied to gaseous separations?

Removal of objectionable odour and impurities from industrial gases
Dehumidification of air and gas
Decolouration of yellow glycerene
Recovery of valuable solvent vapors from dilute mixture with air and other gases

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