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Transport Processes and Separation Process Principles (Includes Unit Operations) Fourth Edition by Christie John Geankoplis

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10.4. MASS TRANSFER BETWEEN PHASES

10.4A. Introduction and Equilibrium Relations

1. Introduction to interphase mass transfer

In Chapter 7 we considered mass transfer from a fluid phase to another phase, which was most often a solid phase. The solute A was usually transferred from the fluid phase by convective mass transfer and through the solid by diffusion. In the present section we shall be concerned with the mass transfer of solute A from one fluid phase by convection and then through a second fluid phase by convection. For example, the solute may diffuse through a gas phase and then diffuse through and be absorbed in an adjacent and immiscible liquid phase. This occurs in the case of absorption of ammonia from air by water.

The two phases ...

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