Determine the moles of water that are required per mole

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Reference no: EM131310528

A scheme for the removal of H₂S from a gas stream by scrubbing with water at 293 K and 1.013×10⁵ Pa is being considered. The liquid will initially contain 3.7 mol % H₂S. It is desired that the exiting gas stream contains only 0.2 mol % H₂S. The absorbing water will enter at the top of the tower that is H₂S free. At the given temperature and pressure of the system, the equilibrium of H₂S-water will obey Henry's law according to the following relationship:

Y_H2S = 48.3 X_H2S

a. For a countercurrent absorber, determine the moles of water that are required per mole of H2S-free carrier gas if 1.5 times the minimum ratio will be used.

b. Determine the composition of the exiting liquid.

Reference no: EM131310528

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