Absorption of Ammonia in Packed Tower. A gas stream 4.0 mol % NH3 and its ammonia content is reduced to 0.5 mol % in a
Absorption of Ammonia in Packed Tower. A gas stream 4.0 mol % NH3 and its ammonia content is reduced to 0.5 mol % in a packed absorption tower at 293 K and 1.013 x 10 5 Pa. The inlet pure water flow is 68 kg mol/h and the total inlet gas flow is 57.8 kg mol/h. The tower diameter is 0.747 m. The film mass-transfer coefficients are k’ y a = 0.0739 kg mol/s.m 3 mol frac and k’ x a = 0.169 kg mol/s.m 3 mol frac. Using the design methods for dilute gas mixtures, do as follows. (a) calculate the tower height using k’ y a (b) calculate the tower height using K’ y a
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