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(19)

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2 033 395

(13)

(51)

IPC

(21) (22)

Application

4913058/26, 1991-01-11

(22)

Actual filing date

1991-01-11

(45)

Published

1995-04-20

(72)

Inventor

Zhulin N.V.Klimenko S.I.Aliev A.Eh.

(73)

Holder

Sibirskij Gosudarstvennyj Proektnyj I Nauchno-Issledovatel'Skij Institut Tsvetnoj Metallurgii

METHOD OF SOLUTION CLEARING OFF SULFATES Russian patent published in 1995 - IPC

Abstract RU 2033395 C1

FIELD: solution clearing off. SUBSTANCE: treatment is carried out with mixture of oil waste in vegetable oil production and alkaline waste in diesel fuel clearing off. Content of oil waste in mixture is 0.5-25%, mixture consumption for one clearing off stage is 20-100 mg/l. Method is used for solution clearing off sulfate in aluminium production. Solutions can be used repeatedly. EFFECT: decreased sulfate content in scrubbing solutions, enhanced quality of solutions. 2 cl, 3 tbl

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RU 2 033 395 C1

Authors

Zhulin N.V.

Klimenko S.I.

Aliev A.Eh.

Dates

1995-04-20—Published

1991-01-11—Filed