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2 085 512

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IPC

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Application

95101409/25, 1995-01-31

(22)

Actual filing date

1995-01-31

(45)

Published

1997-07-27

(72)

Inventor

Podkopaev A.N.Ovcharov V.E.Zolotukhin V.A.Ishunin V.S.Ivanov V.B.Zaizhennyj A.M.

(73)

Holder

Podkopaev Aleksandr Nikolaevich

METHOD OF UNDERGROUND WATER TREATMENT FROM IRON Russian patent published in 1997 - IPC

Abstract RU 2085512 C1

FIELD: water treatment. SUBSTANCE: method involves aeration followed by filtration through two layers of filtering material. Filtering layers were separated among them. Iron is oxidized to hydroxide in the first layer and hydroxide is retained in the second layer. Coagulating agent is placed between filtering layers for iron hydroxide particle enlarging. EFFECT: improved method of water treatment. 2 cl

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RU 2 085 512 C1

Authors

Podkopaev A.N.

Ovcharov V.E.

Zolotukhin V.A.

Ishunin V.S.

Ivanov V.B.

Zaizhennyj A.M.

Dates

1997-07-27—Published

1995-01-31—Filed

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