Method and installation for purifying contaminating water

Details Method and installation for purifying contaminating water Method and installation for purifying contaminating water

1981-09-23

1984-05-29

Hart, Charles N.

Liquid purification or separation

Processes

Treatment by living organism

210605, 210617, 210630, 210205, 71 8, C02F 330, C05F 700

Patent

active

044513720

ABSTRACT:
The specification discloses a method and installation for purifying waste. A tank (1) is fed with the waste and with a biological filter substrate, both of which are fermented within the tank. Pipes and ducts (17, 28) supply air to an upper aerobic fermentation region and to a lower aerobic fermentation region, and ducts (22) remove gaseous and liquid products from a middle anaerobic fermentation region.
The fermentation products are removed by a sweeping worm (29) and sucked by a fan (43) through a separator (33) in which heavy particles fall out (through 40) but lighter ones are retained by the suction. The product is triturated (44) and may be dried (45, 46) and made into briquettes (51) for use as fuel.

REFERENCES:
patent: 3241943 (1966-03-01), Bystorm
patent: 3994802 (1976-11-01), Casey et al.
patent: 4135908 (1979-01-01), Widmer
patent: 4139456 (1979-02-01), Yabuuchi et al.
patent: 4184269 (1980-01-01), Kneer
patent: 4198211 (1980-04-01), Shattock
patent: 4323367 (1982-04-01), Ghosh
patent: 4350588 (1982-09-01), Tsubota

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