You have been asked to prepare a preliminary design for a packed gas-absorption

Question

You have been asked to prepare a preliminary design for a packed gas-absorption column to recover acetone (concentration less than 0.01 mole fraction) from an air stream using water. The equilibrium relationship for acetone is y = 1.7x where y and x are mole fractions. The possible assumptions that can be made for this preliminary design are: Variable molar gas flow rate throughout the column Constant molar overflow The outlet liquid stream is in equilibrium with the inlet gas stream The energy balance is automatically satisfied The best assumptions are: I, II, and IV only I, III, and IV only I and III only II and IV only

Explanation / Answer

c

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