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2 137 852

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IPC

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Application

97109367/25, 1997-06-10

(22)

Actual filing date

1997-06-10

(45)

Published

1999-09-20

(72)

Inventor

Machul'Skij V.A.Baranov M.V.Smirnov B.N.

(73)

Holder

Aktsionernoe Obshchestvo Zakrytogo Tipa Evropa"

METHOD OF PROCESSING ALUMINUM PRODUCTION WASTE (VERSIONS) Russian patent published in 1999 - IPC

Abstract RU 2137852 C1

FIELD: aluminum production. SUBSTANCE: according to one of versions, aluminum production waste is treated with 1-10% aqueous solutions of hydrochloric acid or its salt and then kept at ambient temperature until detoxification reaction is completed. Otherwise, after detoxification, waste undergoes mechanical treatment in impact crushers or on drum mills with singular helix after which is sieved into three fractions. EFFECT: improved environmental condition. 7 cl, 1 tbl

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RU 2 137 852 C1

Authors

Machul'Skij V.A.

Baranov M.V.

Smirnov B.N.

Dates

1999-09-20—Published

1997-06-10—Filed

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