1. A distillation column is being used to separate methanol from ethanol. Methanol, being more volatile, is found primarily in the 'distillate' which comes out of the top of the column. Ethanol, being less volatile, is found primarily in the 'bottoms', the stream which comes out of the bottom of the column. The feed is 100 kmol/hr of 0.45 mole fraction methanol, 0.55 mole fraction ethanol. If the desired methanol purity in the distillate is 0.82 mole fraction and the desired ethanol concentration in the bottoms is 0.93 mol fraction, what is the distillate flow rate, D to the nearest 1 kmol/hr?
2. A distillation column is being used to separate methanol from ethanol. Methanol, being more volatile, is found primarily in the 'distillate' which comes out of the top of the column. Ethanol, being less volatile, is found primarily in the 'bottoms', the stream which comes out of the bottom of the column. The feed is 100 kmol/hr of 0.45 mole fraction methanol, 0.55 mole fraction ethanol. If the desired methanol purity in the distillate is 0.75 mole fraction and the desired methanol recovery in the distillate is 0.82 , what is the bottoms flow rate, B to the nearest 1 kmol/hr?