# Applications of Driving-Force and McCabe-Thiele Diagrams to Binary Distillation Processes

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The driving-force diagram for a constant relative volatility binary mixture is obtained by plotting versus , where and are the liquid and vapor mole fractions of the light component. Explicitly, the driving force is , where is the relative volatility.

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Contributed by: Housam Binous (March 2011)

(Kind Fahd University Petroleum & Minerals)

Open content licensed under CC BY-NC-SA

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References

[1] R. Gani and E. Bek–Pedersen, "Simple New Algorithm for Distillation Column Design," *AIChE Journal*, 46(6), 2000 pp. 1271–1274.

[2] E. Bek–Pedersen, R. Gani, and O. Levaux, "Determination of Optimal Energy Efficient Separation Schemes Based on Driving Forces,"* Computers and Chemical Engineering,* 24(2–7), 2000 pp. 253–259.

[3] E. Bek–Pedersen and R. Gani, "Design and Synthesis of Distillation Systems Using a Driving-Force-Based Approach," *Chemical Engineering and Processing*, 43(3), 2004 pp. 251–262.

[4] W. L. McCabe and E. W. Thiele, "Graphical Design of Fractionating Columns," *Industrial and Engineering Chem**istry* 17(6), 1925 pp. 605–611.