FIELD: membranes in chemical engineering. SUBSTANCE: method consists in feeding mix to be separated on one side of semipermeable membrane made of copolymer of tetrafluoroethylene with perfluorovinyl ethers. Components penetrated through membrane are withdrawn from its other side. Membrane is efficient in isolating amines. EFFECT: enhanced efficiency of separation process. 1 tbl
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Authors
Dates
1997-04-20—Published
1995-01-30—Filed