Questions and Answers > In an experimental study of the absorption of ammonia by water in a wetted-wall column, the overall mass-transfer coefficient, KG was found to be 2.74× 109 kg mol/(m2 × s × Pa). At one point in the column, the gas phase contained 8 mol ammonia and the liquid-phase concentration was 0.064 kg mol ammonia/m3 of solution. The tower operated at 293 K and 1.013×105 Pa. At that temperature, the Henry's law constant is 1.358 × 103 Pa/(kg mol/m3). If 85% of the total resistance to mass transfer is encountered in the gas phase, determine the individual film mass-transfer coefficients and the interfacial compositions.

Institute of Technology Banaras Hindu University • BIOCHEMICA • BIOCHEMICA-BC 222 In an experimental study of the absorption of ammonia by water in a wetted-wall column, the overall mass-transfer coefficient, KG was found to be 2.74× 109 kg mol/(m2 × s × Pa). At one point in the column, the gas phase contained 8 mol ammonia and the liquid-phase concentration was 0.064 kg mol ...[Show More]

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