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2 081 847

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C1

(51)

IPC

(21) (22)

Application

5064691/25, 1992-08-10

(22)

Actual filing date

1992-08-10

(45)

Published

1997-06-20

(72)

Inventor

Khanin A.B.Glebov N.A.Ivanov A.D.

(73)

Holder

Nauchno-Issledovatel'Skij Institut Kozhi

APPARATUS FOR PURIFYING SEWAGE FROM SULFIDES Russian patent published in 1997 - IPC

Abstract RU 2081847 C1

FIELD: sewage treatment to purify them from sulfides, in particular in leather industry enterprises. SUBSTANCE: proposed apparatus comprises revolving perforated drum immersed into reservoir, through which sewage flows. Drum is immersed down to level equal to 0.4 its diameter. Sewage purification takes place on surface of packing bed formed by mixture of chips and/or coke and gravel, packing bed filling drum to 1/2 - 3/4 of its volume. EFFECT: effective method for removal of sulfides from sewage. 2 dwg

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RU 2 081 847 C1

Authors

Khanin A.B.

Glebov N.A.

Ivanov A.D.

Dates

1997-06-20—Published

1992-08-10—Filed

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