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Separation Process Engineering: Includes Mass Transfer Analysis, Third Edition by Phillip C. Wankat

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15.9 Summary-Objectives

After completing this chapter, you should be able to satisfy the following objectives:

1. Explain qualitatively how molecular motion leads to diffusion

2. Describe Fick’s model of diffusion in words and equations, and use the model to solve steady-state binary diffusion problems without convection

3. Choose an appropriate reference velocity vref and solve Fick’s model for steady-state binary diffusion with convection

4. Estimate the diffusivity of gases and liquids in binary systems

5. Explain and use the linear driving-force model for mass transfer

6. Estimate mass-transfer coefficients

7. Explain the deficiencies in the Fickian model of diffusion

8. Describe how the Maxwell-Stefan model differs from the Fickian model ...

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