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Citation: Zhang Keda. SEPARATION OF LIQUID MIXTURE BY PERVAPORATION[J]. Chinese Journal of Applied Chemistry, ;1986, 3(5): 6-13. shu

SEPARATION OF LIQUID MIXTURE BY PERVAPORATION

Zhang Keda

1.
Changchun Institute of Applied Chemistry, Academia Sinica

Received Date: 3 December 1985
Available Online: 27 March 1986

Pervaporation is a membrane separation process which can be used to fractionate liquid mixture. In this paper the mechanism of pervaporation is described. The separation of ethanol-water mixture by pervaporation is of great importance for the production of ethanol from biomass. The membranes for separation of ethanol water mixture can be divided into two types:hydrophilic and hydrophobic. Some physical methods have been used to improve the pervaporation process. The tendency of developmentof pervapration membranes, as indicated by author, is from homogeneous, asymmetric to composite membrane.
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