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Mass Transfer

Mass Transfer
Small dia distillation column can be a

Sieve tray
Bubble cap
Packed column
Any of these

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Mass Transfer
In a binary distillation column, if the feed contains 40 mole % vapour, the q line will have a slope of

-1.5
-0.6
0.6
1.5

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Mass Transfer
Absorption accompanied with chemical reaction is exemplified by the absorption of

Benzol present in coke oven gas by wash oil
Ammonia in water
All of these
SO₂ in alkaline solution

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Mass Transfer
Minimum possible diameter of a packed coloumn is decided mainly by the

Flooding
Liquid hold up
Gas viscosity
Liquid density

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Mass Transfer
Cox chart is useful in the design of

Evaporator
Distillation column
Dryer
Crystalliser

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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
0.001
4.605
9.21

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