Filtration system

Details Filtration system Filtration system

1987-03-02

1989-03-07

Fisher, Richard V.

Liquid purification or separation

Processes

Liquid/liquid solvent or colloidal extraction or diffusing...

210651, 210774, 210779, 2101952, 2102572, 21032187, 21050023, 210258, B01D 1300, B01D 1301, B01D 3604, B01D 3704

Patent

active

048103896

ABSTRACT:
A method and apparatus are disclosed for increasing the concentratin of suspended particles within a slurry by removal of the fluid. The slurry is passed along the surface of a porous material such as porous plastic pipe having pores of a diameter greater than that of the suspended particles. The slurry flows at a velocity parallel to the surface of the porous plastic pipe that is much greater than the lateral velocity of the fluid through the pores in the pipe. The suspended solids with diameters smaller than the diameter of the pore opening are retained and concentrated within the flowing slurry because of the high flow velocity tangential to the pores.

REFERENCES:
patent: 3852388 (1974-12-01), Kimura
patent: 4002567 (1977-01-01), Konno et al.
patent: 4060488 (1977-11-01), Hoover et al.
patent: 4140806 (1979-02-01), Glimenius et al.
patent: 4147621 (1979-04-01), Giddings
patent: 4165288 (1979-08-01), Teed et al.
patent: 4200533 (1980-04-01), Gaddis et al.
patent: 4276176 (1981-06-01), Shorr
patent: 4276177 (1981-06-01), Smith
patent: 4411781 (1983-10-01), Schnable et al.
patent: 4416772 (1983-11-01), Sato et al.
Goldsmith et al., "Soluble Oil Waste Treatment Using Ultrafiltration", 32 pages, report for the 46th Annual Conference of the Water Pollution Control Federation, Oct. 4, 1973.

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