Process and apparatus for treating waste liquids

Details Process and apparatus for treating waste liquids Process and apparatus for treating waste liquids

1993-09-30

1994-11-15

Spear, Frank

Liquid purification or separation

Processes

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

210660, 210800, 210805, 2101951, 2101952, 2102572, B01D 6100

Patent

active

053645340

ABSTRACT:
Process for purifying and filtering fluids, especially water, containing suspended contaminants and using gravity separation means as well as membrane separation means, in a finishing stage, comprising the step of introducing a pulverulent reagent into the fluid stream to be treated downstream of the gravity separation and upstream of the membrane separation, wherein said pulverulent reagent is recycled from the purge of the membrane separation means to the upstream of the gravity separation means.

REFERENCES:
patent: 4525278 (1985-06-01), Frost, III
patent: 4610792 (1986-09-01), Van Gils et al.
patent: 4732859 (1988-03-01), Sugimoto et al.
patent: 4872991 (1989-10-01), Kartels et al.
patent: 5093072 (1991-08-01), Hitotsuyanagi et al.
patent: 5154830 (1992-10-01), Paul et al.

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