thermogravitational column

thermogravitational column

[¦thər·mō‚grav·ə′tā·shən·əl ′käl·əm]
(chemical engineering)
A device in which thermal diffusion results from the countercurrent flow of hot and cold material, thus increasing the separation of materials in a solution by the formation of a concentration gradient (difference). Also known as Clausius-Dickel column.
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