Ground- and wastewater purification

Details Ground- and wastewater purification Ground- and wastewater purification

1991-08-05

1993-07-27

Dawson, Robert A.

Liquid purification or separation

Processes

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

210615, 210638, 210661, 2101952, 2102572, B01D 6100

Patent

active

052308030

ABSTRACT:
There is disclosed a process for purifying ground- and wastewaters, which comprises subjecting said waters to a membrane separation process between a biological treatment step and adsorption on activated carbon.

REFERENCES:
patent: 4313830 (1982-02-01), Tulin et al.
patent: 4610792 (1986-09-01), Van Gils et al.
patent: 4711723 (1987-12-01), Bray
patent: 4725357 (1988-02-01), Downing et al.
patent: 4787978 (1988-11-01), Nicol
patent: 5039416 (1991-08-01), Loew et al.
patent: 5087370 (1992-02-01), Scholtheis et al.
Schneitzer, P. A., Handbook of Separation Technique for Chemical Engineers pp. 2-5.
Hammer, M. J., Water and Wastewater Technology, 2nd Edition, pp. 404-406.
CA104:192831g (1985).
CA102: 225670t (1985).
CA102: 137518u (1985).
CA102: 67144t (1985).
JP-A-63256 197 (Derwent).
JP-A-62 117693 (Derwent).
JP-A-63 054998 (Derwent).

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