Pervaporation

Pervaporation (or pervaporative separation) is a processing method for the separation of mixtures of liquids by partial vaporization through a non-porous or porous membrane. ==Theory== 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 vapo.....
Found on http://en.wikipedia.org/wiki/Pervaporation

pervaporation

[n] - the concentration of a colloidal solution whose colloid will not pass through a semipermeable membrane
Found on http://www.webdictionary.co.uk/definition.php?query=pervaporation

pervaporation

noun the concentration of a colloidal solution whose colloid will not pass through a semipermeable membrane; solution is placed in a bag of the membrane and the solvent is evaporated off
Found on https://www.encyclo.co.uk/local/20974

pervaporation

pervaporation The heating of a liquid within a dialyzing bag suspended over a hot plate, evaporation taking place rapidly through the membrane; any colloids in solution remain within the bag while crystalloids (bodies that in solution can pass through a semipermeable membrane) diffuse out and crystallize on the outer surface of the bag (perstillati...
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pervaporation

The heating of a liquid within a dialyzing bag suspended over a hot plate, evaporation taking place rapidly through the membrane; any colloids in solution remain within the bag while crystalloids diffuse out and crystallise on the outer surface of the bag (perstillation). ... Origin: L. Per, through, + vapor, steam ... (05 Mar 2000) ...
Found on http://www.encyclo.co.uk/local/20973

pervaporation

Type: Term Pronunciation: per′vap-ō-rā′shŭn Definitions: 1. The heating of a liquid within a dialyzing bag suspended over a hot plate, evaporation taking place rapidly through the membrane; any colloids in solution remain within the bag while crystalloids diffuse out and crystallize on the outer surface of the bag (persti...
Found on http://www.medilexicon.com/medicaldictionary.php?t=67472
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