Hollow fiber sheet filter of alpha cellulose

Details Hollow fiber sheet filter of alpha cellulose Hollow fiber sheet filter of alpha cellulose

1988-10-17

1990-04-10

Fisher, Richard V.

Liquid purification or separation

Filter

Prefilt flow distributor or diverter

210490, 2104941, 21050029, B01D 3918

Patent

active

049158376

ABSTRACT:
Filter apparatus for filtering a liquid, the apparatus comprising a rigid chamber 10 having a liquid inlet 20 and a filtrate outlet 18, a mass 30 of hollow fiber cross-linked matrix of alpha cellulose in the form of cotton staple fibers formed into a sheet which is rolled into a cylinder to form a mass, loosely packed into the chamber when dry. A distributor is connected to the liquid inlet effective to feed a liquid to be filtered over a substantial surface area of one axial end of the cylindrical mass, whereby when the liquid is passed therethrough, the matrix will expand to be tightly packed into the chamber.

REFERENCES:
patent: 4323627 (1982-04-01), Joh
patent: 4369110 (1983-01-01), Picek
patent: 4454259 (1984-06-01), Reischl et al.
patent: 4632756 (1986-12-01), Coplan et al.
patent: 4655939 (1987-04-01), Moser
patent: 4663163 (1987-05-01), Hou et al.
patent: 4713292 (1987-12-01), Takemura et al.
patent: 4781834 (1988-11-01), Sekino et al.
International Patent WO 8300098, Lee et al, Baxter Travenol Laboratories, "Microporous Hollow Fiber Membrane Assembly and Its Method of Manufacture", 1-1983.

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