pervaporation


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pervaporation

[pər‚vap·ə′rā·shən]
(chemistry)
A chemical separation technique in which a solution is placed in contact with a heated semipermeable membrane that selectively retains one of the components of a solution.
References in periodicals archive ?
To validate the experimental observations, the overall mass transfer coefficient for pervaporation process has been introduced.
Scheer, "Concentration of aroma compounds from an industrial solution of soluble coffee by pervaporation process," Journal of Food Engineering, vol.
Pervaporation experiment was conducted using a lab scale apparatus shown in Fig.
Sander U, Soukup P (1988) Design and operation of a pervaporation plant for ethanol dehydration.
Papaefstathiou I, Luque de Castro MD (1997) Nitrogen speciation analysis in solid samples by integrated pervaporation and detection.
These include the integration of pervaporation in a membrane-hybrid process and a membrane extraction technique that uses a hollow-fiber membrane module, in a process called perstraction, to separate flavors from a fermentation broth.
Pervaporation is one of the most popular areas of current membrane research, but the concept of pervaporation separation is not new.
Other membrane processes such as electrodialysis, pervaporation, and membrane distillation employ an electrical potential, concentration, or temperature gradient as the driving force.
He has also perfected another method which he calls Vapor Arbrated Pervaporation which "will be coming on stream in a few months.