Relationship between Pressure Drop and Mass Transfer in Two‐Phase Countercurrent‐Flow Columns

Abstract Mass transfer and fluid dynamics in a packed column, operated in countercurrent‐flow of the two phases, are interconnected by the pressure drop related to unit efficiency. On the basis of this specific pressure drop and the fundamental law of mass transfer for systems, the mass transfer resistance of which is mainly in the gas phase, the packed column efficiency can be correlated. The validity of the model equations received is confirmed by extensive experimental investigations.