【Daily Question】In-depth processing 20160822: Glossary explanation – Desorption. . . . .
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The reverse process of absorption, which releases the absorbed gas from the solute
Desorption is the reverse process of absorption; it is also known as stripping or gas stripping, and it is the operation that separates the absorbed gas from the absorbent. The function of desorption is to recover the solute while regenerating the absorbent (restoring its ability to absorb solutes). In industry, desorption is an important part of absorption processes. Desorption is divided into physical desorption (without chemical reactions) and chemical desorption (accompanied by chemical reactions).
What is desorption? Answer: Desorption is the reverse process of absorption; it is also known as stripping or vaporization, and it is the operation that separates the gas that has been absorbed from the absorbent. The function of desorption is to recover the solute while regenerating the absorbent (restoring its ability to absorb solutes!)
Desorption: Also known as stripping or vaporization, it is the reverse process of absorption; it is a mass transfer separation process in which solute components in the liquid phase move into the gas phase in contact with it.
Releasing the absorbed substance is the reverse process of absorption. This can be achieved by methods such as increasing temperature or reducing pressure.
In simple terms, it’s the substance that has been adsorbed under high pressure being released under low pressure! The reason is that the ability to adsorb this substance varies under different pressures!
Desorption, also known as desorption, is the process opposite to absorption; it is the process of releasing the gas components that have been absorbed from the absorbent.
Desorption is the reverse process of absorption; it is also known as stripping or gas stripping, and it is the operation that separates the absorbed gas from the absorbent. The function of desorption is to recover the solute while regenerating the absorbent (restoring its ability to absorb solutes). In industry, desorption is an important part of absorption processes. Desorption is divided into physical desorption (without chemical reactions) and chemical desorption (accompanied by chemical reactions).
When the equilibrium vapor pressure of a certain component in the solution is greater than its partial pressure in the gas mixture, that component will be released from the solution, that is, it will transfer from the liquid phase to the gas phase; this phenomenon is known as desorption.