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Mass Transfer

Mass Transfer
H₂S present in naphtha reformed gas is removed by absorbing with

Vacuum gas oil
HCl
K₂CO₃
Ethanolamine

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Mass Transfer
Absorption accompanied by heat evolution results in

Decrease in equilibrium solubility
Increase in equilibrium solubility
None of these
Increased capacity of the absorber

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Mass Transfer
In distillation, overhead product contains

Two components
Any number of components
Only saturated liquid
Only one component

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Mass Transfer
'ADDUCTS' and 'CLATHRATES' are used in case of

Extractive distillation
Crystallisation
Absorption
None of these

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Mass Transfer
Extraction of pencillin employs a __________ extraction coloumn.

Plate
Centrifugal
None of these
Packed

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Mass Transfer
The reason for preferring packed towers over plate towers in distillation practice is that the packed tower operation gives

High pressure drop and low hold up
Low pressure drop and low hold up
Low pressure drop and high hold up
High pressure drop and high hold up

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