Apparatus for waste water treatment using charcoal biologically

Details Apparatus for waste water treatment using charcoal biologically Apparatus for waste water treatment using charcoal biologically

1994-11-07

1997-02-04

Wyse, Thomas G.

Liquid purification or separation

With gas-liquid surface contact means

With separator

210284, 210602, 210616, C02F 306

Patent

active

055994431

ABSTRACT:
The apparatus for waste water treatment has, in a tank, a contact circulation part in which Bincho charcoal is accommodated, a sprinkling circulation part which is disposed above the contact circulation part and in which black coal is accommodated, air lift piping for lifting treatment-object water from the contact circulation part to the sprinkling circulation part, a water-sprinkling tube for sprinkling the treatment-object water onto the sprinkling circulation part, an aquatic plant cultivation bed disposed between the contact circulation part and the sprinkling circulation part, and air-diffusing tubes for introducing malodorous gas. Small quantity of surfactants and colorants are adsorbed by the Bincho charcoal and the black coal and decomposed by microorganisms that have grown in the Bincho charcoal and the black coal. The microorganisms act to biologically decompose the malodorous gas.

REFERENCES:
patent: 681884 (1901-09-01), Monjeau
patent: 4333263 (1982-06-01), Adey
patent: 4839051 (1989-06-01), Higa
patent: 4940546 (1990-07-01), Vogelpohl et al.
patent: 5156741 (1992-10-01), Morrison et al.
patent: 5322621 (1994-06-01), Fan et al.
Patent Abstracts of Japan, vol. 018 No. 456, 25 Aug. 1994, Abstract.
Database WPI, Section Ch, Week 7914, Derwent Publications Ltd., London, GB; Abstract.

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