Waste water treatment process

Details Waste water treatment process Waste water treatment process

1992-06-05

1995-02-14

Spear, Frank

Liquid purification or separation

With gas-liquid surface contact means

With separator

210205, C02F 306

Patent

active

053892470

ABSTRACT:
An apparatus for treating waste water in which a series of filtering pads are formed by a plurality of offset nets made from ribbon-like lines having a multitude of ringlets. The nets are mounted in planar configuration within a frame at spaced intervals, with the plane of the nets being supported at an angle of 40.degree. to 50.degree. from the horizontal. The frames may be placed in any water system such as fabricated basins, ponds, ditches, rivers or lakes. Also, one or more of the netted frames may be placed in a basin for anaerobic treating organic waste water. Water circulation means are fixed within the tank for repetitive flow through the filtering pads and the delivery of oxygen and/or other process elements.

REFERENCES:
patent: 3238124 (1966-03-01), Burton
patent: 4137171 (1979-01-01), Yokata
patent: 4165281 (1979-08-01), Kuriyama et al.
patent: 4229386 (1980-10-01), Lerner
patent: 4294694 (1981-10-01), Coulthard
patent: 4416993 (1983-11-01), McKeown
patent: 4422930 (1983-12-01), Hatanaka
patent: 4530763 (1985-07-01), Clyde et al.
patent: 4717519 (1988-01-01), Sagami
patent: 4758453 (1988-07-01), Challet et al.
patent: 4908128 (1990-03-01), Chiba

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