Absorption Flashcards
1
Q
What is absorption?
A
A gas mixture is contacted with a liquid (absorbent or
solvent) to selectively dissolve one or more components
(solutes or absorbate) by mass transfer from the gas to
the liquid
2
Q
Function of absorption?
A
Used to separate gas mixtures; remove impurities,
contaminants, pollutants, or catalyst poisons from a
gas; or recover valuable chemicals.
Example: removal of H2S and CO 2 from natural gas using MEA
(monoethanolamine)
