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Transport Processes and Separation Process Principles, Fifth Edition by Daniel H. Lepek, A. Allen Hersel, Christie John Geankoplis

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Chapter 22. Absorption and Stripping

22.0 Chapter Objectives

On completion of this chapter a student should be able to do the following:

• Calculate the degrees of freedom of a system in equilibrium

• Calculate flows and composition in both single and multiple equilibrium contact stages by using both and equilibrium relationship and a material balance.

• Use analytical and graphical techniques to calculate the number of stages needed for either an absorber or stripper.

• Calculate rates of mass transfer across fluid-fluid interfaces using two-film theory.

• Estimate tray efficiency from correlations of mass-transfer coefficients using two film theory.

• State the differences between loading point and flooding point in a packed column

• Estimate ...

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