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

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

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Mass Transfer
Plate efficiency

Increases due to foaming
Increases due to liquid entrainment
Is a function of the mass transfer between liquid and vapour
Increases due to weeping and dumping of liquid

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