Mass Transfer
The mass transfer co-efficient for a solid sphere of radius 'a' dissolving in a large volume of quiescent liquid, in which D is the diffusivity of solute, is

Proportional to √D
Dependent on the Reynolds number
D/a
D/2a

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Mass Transfer
In case of a desorber (stripper), the

Operating line always lies below the equilibrium curve
Temperature always increases
Operating line always lies above the equilibrium curve
Temperature remains unaffected

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