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Mass Transfer

Mass Transfer
If f = moles of vapour present per mole of feed, then the slope of feed line is

- f/(1 - f)
- (f - 1)/f
- 1/f
(1 - f)/f

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Mass Transfer
__________ diffusion is used for separating the isotopes of methane.

Thermal
Pressure
Concentration
Force

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Mass Transfer
A good solvent used for absorption should not have very high

Freezing point
Vapor pressure
Viscosity
All of these

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

Vacuum gas oil
HCl
Ethanolamine
K₂CO₃

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Mass Transfer
Diameter to height ratio for a rashig ring is

2
1
5
0.5

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Mass Transfer
Steady state equimolal counter diffusion occurs in case of

Liquid-liquid extraction
Absorption
Leaching
Binary phase distillation

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