Distillation column design, McCabe-Thiele method
to accompany P.E. Readiness (Chemical) from MGI Management Institute
by William A. Levinson, P.E.

Note: this program's output does not constitute engineering advice. Engineering design must be performed by, or under the direct supervision of, a qualified engineer.

Component A = Benzene
Component B = Toluene
Relative volatility alpha = 2.50

Design requirements
Reflux ratio RD = 3.50
Overhead distillate xD = .9800
Feed composition xD = .5000
Feed condition q = 1.00
Bottom composition xB = .0200

Operating lines
Intersection [.5000, .6067]
Rectification line slope = .7778 Intercept = .2178
Stripping line slope = 1.2222 Intercept = -.0044

McCabe-Thiele Diagram



1 .9515 .9800
2 .9008 .9578
3 .8182 .9184
4 .7009 .8542
5 .5627 .7629
Feed 6 .4321 .6555
7 .3055 .5237
8 .1895 .3689
9 .1052 .2272
10 .0537 .1242
11 .0254 .0611
Reboiler .0108 .0266