Environmental Engineering Reference
In-Depth Information
Glossary
Absorber
The part of an adsorption process equipment in which the gas mixture
that needs to be separated is brought into contact with the solvent.
See also
stripper.
Absorption
Removing CO
2
(or any other component) from a mixture using the differ-
ences in the solubilities of the components of the mixture in a solvent. In
the topic, absorption always refers to the use of liquid solvents to sepa-
rate components from a gas mixture.
See also
scrubbing.
Adsorption
Removing CO
2
(or any other component) from a mixture using the differ-
ences in adsorption of the different components in a solid. In the topic,
absorption always refers to a solid.
Albedo effect
Refl ection of the sunlight by the surface of the earth.
Aquifer
A formation of permeable rocks saturated with water, with a degree of
permeability that allows water withdrawal through wells.
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