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2 078 057

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(51)

IPC

(21) (22)

Application

94007787/25, 1994-03-02

(22)

Actual filing date

1994-03-02

(45)

Published

1997-04-27

(72)

Inventor

Ovtsov L.P.Merkur'Ev V.S.Zhirkov E.I.

(73)

Holder

Nauchno-Proizvodstvennoe Ob"Edinenie Po Sel'Skokhozjajstvennomu Ispol'Zovaniju Stochnykh Vod

BIOLOGICAL OXIDATIONAL CONTACT STABILIZING POND Russian patent published in 1997 - IPC

Abstract RU 2078057 C1

FIELD: waste water purification. SUBSTANCE: pond of invention contains reservoirs filled layer-to-layer with sand, gravel, and sand with planted higher aqueous vegetation. These reservoirs communicate with tank provided with level switch and pump assembly with control system, electrical motor, and program device. Invention allows purifying waste water during all the year owing to optimal anaerobic purification condition, and also reducing pond area. EFFECT: intensified purification process. 2 dwg

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RU 2 078 057 C1

Authors

Ovtsov L.P.

Merkur'Ev V.S.

Zhirkov E.I.

Dates

1997-04-27—Published

1994-03-02—Filed