Membrane filtration apparatus and method of making a membrane fi

Details Membrane filtration apparatus and method of making a membrane fi Membrane filtration apparatus and method of making a membrane fi

1991-03-19

1992-01-28

Sever, Frank

Plastic and nonmetallic article shaping or treating: processes

Pore forming in situ

Composite article making

264DIG48, 264DIG62, B01D 6700, B01D 6900

Patent

active

050842200

ABSTRACT:
In the method of making a filtration unit, envelope-shaped membrane units (62) are placed in a stack, a curable liquid binder (101) is introduced between the membrane units from at least one surface of the filtration unit to a predetermined depth (a), and upon curing of the binder a layer of the binder together with the marginal portions of the edges of the membrane units embedded therein is removed, such as by surface cutting or machining, up to a depth (b) smaller than the depth (a).

REFERENCES:
patent: 3793111 (1974-02-01), Judkins
patent: 3943057 (1976-03-01), Jamet et al.
patent: 4430218 (1984-07-01), Perl et al.

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