Hollow polyvinyl alcohol fibers

Details Hollow polyvinyl alcohol fibers Hollow polyvinyl alcohol fibers

1976-09-10

1978-01-31

Spear, Jr., Frank A.

Liquid purification or separation

Casing divided by membrane into sections having inlet

Energy recovery from treated liquid

210321B, 21000M, 264185, B01D 1300

Patent

active

040714543

ABSTRACT:
A dialysis membrane comprising a plurality of polyvinyl alcohol hollow fibers of substantially homogeneous structure having a degree of orientation (.pi.) in the range of 60% .ltoreq. .pi. .ltoreq. 98% and a degree of swelling (.zeta.) in the range of 1.05 .ltoreq. .pi. .ltoreq. 1.80 times.

REFERENCES:
patent: 3035060 (1962-05-01), Binning et al.
patent: 3228876 (1966-01-01), Mahon
patent: 3276996 (1966-10-01), Lazare
patent: 3660556 (1972-05-01), Ashikaga
patent: 3987140 (1976-10-01), Mizobe et al.

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