Device for purifying waste water, according to the activated...

Details Device for purifying waste water, according to the activated... Device for purifying waste water, according to the activated...

2007-02-06

2007-02-06

Barry, Chester T. (Department: 1724)

Liquid purification or separation

With gas-liquid surface contact means

With separator

C210S220000

Reexamination Certificate

active

10503404

ABSTRACT:
The invention proposes a device for purifying waste water using a biological reactor (1, 4) for aerobic biological purification of waste water by the combined submerged contact aerator-activated sludge process. This device, following the biological reactor, is provided with a membrane filtration element (5).The combination of this biological reactor with a membrane unit produces a low-energy system for the production of epidemiologically safe water from biologically treated waste water.

REFERENCES:
patent: 5254253 (1993-10-01), Behmann
patent: 6039873 (2000-03-01), Stahler
patent: 2544177 (1977-04-01), None
patent: 233818 (1986-03-01), None
patent: 0076977 (1983-04-01), None
patent: 1156015 (2001-11-01), None
patent: 09253456 (1997-09-01), None

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