Pervaporation process of separating a liquid mixture

Details Pervaporation process of separating a liquid mixture Pervaporation process of separating a liquid mixture

1987-03-25

1990-02-13

Bascomb, Wilbur

Distillation: processes, separatory

Distilling to separate or remove only water

From organic compound

203 81, 203 82, 203 87, 203DIG13, 203DIG16, 159DIG27, 210640, 210641, 435161, 568916, B01D 1300

Patent

active

049004026

ABSTRACT:
A pervaporation process for separating at least one component from a mixture of liquids, for example for separating ethanol from a fermentation mass, by a series of three separation steps: separating the mixture by a first pervaporation to form a first permeate vapor enriched in the component to be separated; fractionating the first permeate vapor, for example by temperature condensation, to form a high concentration fraction twice enriched in the component to be separated; and either distilling the high concentration fraction or a second pervaporation to form a distillate or retentate liquid thrice enriched in the component to be separated.

REFERENCES:
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Sun-Tak Hwang et al., Techniques in Chemistry, vol. VII, pp. 68, 86-89, 99-105, Robert E. Kreiger Publishing Company, Inc. (1984).

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