Physics, asked by sandhyagkpshah5959, 11 months ago

Write a note on pervaporation.

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Answered by KeshviReddy
0

Pervaporation is a membrane process comparable to distillation[1], and combines permeation and vaporisation. Pervaporation is used to separate liquid mixes. The used membrane is a dense non-porous membrane or a very finely-porous ceramic membrane that displays an affinity towards the component one wants to remove.


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Answered by dishdhauma
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The term pervaporation is derived from the two steps of the process: (a) permeation through the membrane by the permeate, then (b) its evaporation into the vapor phase. This process is used by a number of industries for several different processes, including purification and analysis, due to its simplicity and in-line nature.

The membrane acts as a selective barrier between the two phases: the liquid-phase feed and the vapor-phase permeate. It allows the desired component(s) of the liquid feed to transfer through it by vaporization. Separation of components is based on a difference in transport rate of individual components through the membrane.....

thank uu

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