Semipermeable membrane elements

Details Semipermeable membrane elements Semipermeable membrane elements

1981-12-24

1985-02-19

Spear, Frank

Liquid purification or separation

Casing divided by membrane into sections having inlet

Energy recovery from treated liquid

210346, B01D 3100

Patent

active

045004269

ABSTRACT:
A semipermeable membrane element of the type incorporating a flat semipermeable membrane and useful as an artificial kidney. A wave-shaped spacer is provided in intimate contact with the active side of the membrane and forms a multiplicity of parallel channels between the membrane and the spacer for passing a feed liquid therethrough. The parallel channels give a maximum clearance of 35 to 500 microns and 0.6 to 10 mm in width.

REFERENCES:
patent: 2664395 (1953-12-01), Marchand
patent: 2735812 (1956-02-01), Van Huek
patent: 3401798 (1968-09-01), Hyrop
patent: 3695445 (1972-10-01), Esmund
patent: 3799873 (1974-03-01), Brown
Def. Pub. T867,005, Ulmschneider et al., Published 10-21-1969.

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