Composite separation membranes and the preparation and use there

Details Composite separation membranes and the preparation and use there Composite separation membranes and the preparation and use there

1987-04-08

1988-08-30

Spitzer, Robert

Gas separation

Means within gas stream for conducting concentrate to collector

55 68, 55158, B01D 5322

Patent

active

047674229

ABSTRACT:
Composite membranes are post-treated by contact with a volatile solvent, with or without minute amounts of additives, followed by solvent evaporation, to repair defects in the thin separation layer thereof.

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