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Mass Transfer

Mass Transfer
Penetration model (theory) for mass transfer was enunciated by

Toor and Marchello
Higbie
Danckwerts
Kissinevskii

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Mass Transfer
At constant pressure, with increase of temperature, the dew point will

Increase
Remain unchanged
Decrease
Increase/decrease ; depends on the temperature

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

Vacuum gas oil
Ethanolamine
K₂CO₃
HCl

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Mass Transfer
In McCabe-Thiele method, at infinite reflux ratio

The overhead product is minimum
Neither A nor B
Both A & B
Both the operating lines coincide with diagonal

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Mass Transfer
Absorption factor, for a fixed degree of absorption from a fixed amount of gas should be

> 1
≤ 1
< 1
1

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Mass Transfer
Leaching rate is independent of the

Temperature
None of the listed here
Agitation
Particle size

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