Mass transfer

2 An air-C0, mixture containing 15 mol% CO2 that is to be absorbed in a 5.0-N solution of triethanolamine (free of CO2). If the column operates isothermally at 25C, if the exit liquid contains 78.4% of the CO2 in the feed gas to the absorber, calculate: 2.1 Minimum gas to liquid ratio. 2.2 Number of stages required if (L/V)= 1.5 (L/V)min Y 0.003 0.008 0.015 0.023 0.032 0.043 0.055 0.068 0.083 0.099 0.12 X 0.01 0.02 0.03 0.04 0.05 0.06 0.07 0.08 0.09 0.1 0.11 Number of stages for dilute mixtures: In 'N-mx, 1 -mx In (A) + A A N= L N = YN+ for A Y - mx 4 = 1 mV