Mass Transfer
The recovery of pencillin from the acidified fermentation broth is done by

Absorption
Distillation
Liquid extraction
Evaporation

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Mass Transfer
For the air water system under ambient conditions, the adiabatic saturation temperature and the wet bulb temperature are nearly equal, because

Lewis number is close to unity
Solubility of the components of air in water is very small
Water has a high latent heat of evaporation
They are always equal under all circumstances

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