H₂S is being absorbed in a gas absorber unit. The height of the transfer unit

Question

H₂S is being absorbed in a gas absorber unit. The height of the transfer unit based on the overall mass transfer coefficient on the gas side is 0.4 m. The equilibrium data is given by, y = 1.5 x. The bulk concentration of H₂S has to be reduced from 0.05 to 0.001 mole fraction in the gas side. The height of the tower (in metres) corresponding to an operating line given by, y = 5x + 0.001 is

Options:

A . 2.0

B . 1.56

C . 1.0

D . 0.56

Answer: Option A

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