Mass Transfer
Plate efficiency

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

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Mass Transfer
For absorbing a sparingly soluble gas in a liquid

Gas side mass transfer co-efficient should be increased
Liquid side mass transfer co-efficient should be decreased
Mass transfer co-efficient must be kept constant
Liquid side mass transfer co-efficient should be increased

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