Equipment and method for filtration using a fabric of polyacrylo

Details Equipment and method for filtration using a fabric of polyacrylo Equipment and method for filtration using a fabric of polyacrylo

1987-09-02

1990-02-20

Fisher, Richard V.

Liquid purification or separation

Processes

Separating

210799, 2104972, 210505, 210508, B01D 3904

Patent

active

049024337

ABSTRACT:
A backwashable filter element consists essentially of a fabric of polyacrylonitrile fibres wherein the diameter of the fibres is in the range 10 to 50 microns and the density of the element is in the range 0.05 to 0.50 g/cc. The element is suitable for use in filtering sea water, particularly for sea water injected into petroleum reservoirs to assist in the recovery of crude oil.

REFERENCES:
patent: 3158532 (1964-11-01), Pall et al.
patent: 3344929 (1967-10-01), Stripp
patent: 4184953 (1980-01-01), Allison et al.

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