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2. Find the number of stages and the best feed location for a column separating ethanol and propanol, =2.1. Feed composition =0.48,xD=0.96,xB=0.04. Constant Molal Overflow

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2. Find the number of stages and the best feed location for a column separating ethanol and propanol, =2.1. Feed composition =0.48,xD=0.96,xB=0.04. Constant Molal Overflow can be assumed, and reflux is a saturated liquid. Column has a total condenser and a partial reboiler. Pressure is 101.3kPa. a) R/D=3 for q=0.4 and q=2.0. b) q=0.4 for R/D=2.5 and R/D=6. (Wankat 13, McCabe-Thiele Design problem (a) different feed conditions and (b) different RR)

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