Penetration, Surface-Renewal, Mass Transfer Theory - Science & Maths Assignment Help

Assignment Task

Penetration theory, surface-renewal theory,  

great interest in separation processes is mass transfer across an interface between a gas and a liquid or between two liquid phases. Such interfaces exist in absorption, distillation, extraction, and stripping. At fluid-fluid interfaces, turbulence may persist to the interface. A number of models have been developed for mass transfer across a two-fluid interface and into a liquid. These include the film theory, penetration theory, surface-renewal theory, and two-film theory. These theories predict mass-transfer coefficients that are proportional to the diffusivity raised to an exponent that varies from 0.5 to 1.0. Most experimental data provide exponents ranging from 0.5 to 0.75. 

Obtain information about these mass transfer theories by answering the questions listed below.

1-Discuss the application of one type of mass transfer theory in industrial processes. Write your discussions in MAXIMUM 3 pages.

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