Mass Transfer
Absorption factor is defined as (where, S₁ = slope of the operating line S₂ = slope of the equilibrium curve)

S₁ x S₂
S₂/S₁
S₁ - S₂
S₁/S₂

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

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

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