Pervaporation process employing permeate recycle

Details Pervaporation process employing permeate recycle Pervaporation process employing permeate recycle

1992-10-07

1994-02-22

Sever, Frank

Liquid purification or separation

Processes

Liquid/liquid solvent or colloidal extraction or diffusing...

210644, 210651, B01D 6136

Patent

active

052887120

ABSTRACT:
The selectivity of a membrane pervaporation aromatics
on-aromatics separation process is unexpectedly improved by the recycle of permeate to the separation process for co-processing with fresh feed. The selectivity obtained is greater than that achieved by processing either the feed or a recycle permeate stream by itself.

REFERENCES:
patent: 2985588 (1961-05-01), Benning et al.
patent: 3370102 (1968-02-01), Carpenter et al.
patent: 4617127 (1986-10-01), Light
patent: 4774365 (1988-09-01), Chen et al.

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