Separation Process Engineering 4장 연습문제

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Separation Process Engineering 4장 연습문제에 대한 보고서 자료입니다.

본문내용

D1. A continuous, steady-state distillation column with a total condenser and a partial reboiler is separating methanol from water at one atmosphere (See Table 2-7 for data). The feed rate is 100 kg mole per hour. The feed is 55 mole % methanol and 45 mole % water. We desire a distillate product that is 90 mole % methanol and a bottoms product is 5 mole % methanol. Assume CMO.

a. If the external reflux ratio L/D=1.25 plot the top operating line.

y=L/V x+(1-L/V) x_D

V=D+L

y=L/(D+L) x+(1-L/(D+L)) x_D

y=(L/D)/(1+L/D) x+(1-(L/D)/(1+L/D)) x_D

y=1.25/(1+1.25) x+(1-1.25/(1+1.25))0.90

y=0.56x+(1-0.56)0.90

y=0.56x+0.396

b. If the boilup ratio V ̅/B=2.0 plot the bottom operating line.

y=L ̅/V ̅ x-(1-L ̅/V ̅ ) x_B

L ̅=B+V ̅

y=(B+V ̅)/V ̅ x-(1-(B+V ̅)/V ̅ ) x_B

키워드

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