High efficiency filtration with impurity concentration and ultra

Details High efficiency filtration with impurity concentration and ultra High efficiency filtration with impurity concentration and ultra

1979-08-13

1981-06-30

Lander, Ferris H.

Liquid purification or separation

Processes

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

210650, 210669, 210681, 210683, 2101952, 210259, B01D 1300, B01D 1504, B01J 404

Patent

active

042761778

ABSTRACT:
The rejection flow from a water ultrafiltration system is passed through a filtration means for removal of bacteria, viri, pyrogens, and colloids, the effluent of which is reintroduced into the affluent presented to the ultrafiltration surface. Treatment of the refjection flow prior to ultrafiltration after removal of bacteria, viri, pyrogens, and colloids may include carbon filtration followed by ion exchange treatment.

REFERENCES:
patent: 3118833 (1964-01-01), Reinhardt
patent: 3408289 (1968-10-01), Gustafson
patent: 3444079 (1969-05-01), Bowers
patent: 3506126 (1970-04-01), Serfass et al.
patent: 3716482 (1973-02-01), Corte et al.
patent: 3839206 (1874-10-01), Welch
patent: 3985648 (1976-10-01), Casolo
patent: 4141825 (1874-02-01), Conger

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