Question: A packed tower has been designed to strip component A from an aqueous stream into a counterflowing air stream. At a given plane in the

A packed tower has been designed to strip component A from

A packed tower has been designed to strip component A from an aqueous stream into a counterflowing air stream. At a given plane in the tower, the concentrations of the two adjacent streams are pA,G=4103Pa and cA,L=4kgmol/m3 of solution. Under the given flow conditions, the overall gas mass-transfer coefficient, KG is equal to 2.46108kg mol/m2sPa and 60% of the resistance to mass transfer is encountered in the gas phase. At the tower's operating condition of 290K and 1.013105Pa, the system satisfies Henry's law with a Henry's law constant of 1400Pa/(kgmol/m3). Determine a) the individual gas-film coefficient, kG b) the individual liquid-film coefficient, kL c) the interfacial gas concentration, pAL d) the overall liquid mass-transfer coefficient, KL

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