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2 095 452

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C1

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IPC

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Application

96111661/02, 1996-06-13

(22)

Actual filing date

1996-06-13

(45)

Published

1997-11-10

(72)

Inventor

Tarabrin G.K.Birjukova V.A.Rabinovich E.M.Volkov V.S.Kuz'Michev S.E.Merzljakov N.E.Savost'Janov V.S.Tartakovskij I.M.Tarabrina V.P.Umanskij V.A.Frolov A.T.Chernjavskij G.S.Chekalin V.V.Chutchikov V.N.

(73)

Holder

Aktsionernoe Obshchestvo Otkrytogo Tipa

METHOD FOR EXTRACTION OF VANADIUM Russian patent published in 1997 - IPC

Abstract RU 2095452 C1

FIELD: metallurgy, particularly, extraction of vanadium of slag. SUBSTANCE: pulp of slightly acid leaching having temperature 48-55 C and pH 2.4 ± 0.2 is fed for filtration, thickness of layer is up to 25 ± 5 mm. Treatment of cake is carried out by solution of sulfuric acid, the process takes place at pH 0.3 ± 0.49 and at temperature 20-60 C. Ratio of solid and liquid phases is 1: 1-1:3, rate of pumping of acid solution being 0.2-1.0 m3/min. Washing is to be carried out after drying or squeezing till moisture content is 10-20 %. EFFECT: improved efficiency of the method. 2 tbl

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RU 2 095 452 C1

Authors

Tarabrin G.K.

Birjukova V.A.

Rabinovich E.M.

Volkov V.S.

Kuz'Michev S.E.

Merzljakov N.E.

Savost'Janov V.S.

Tartakovskij I.M.

Tarabrina V.P.

Umanskij V.A.

Frolov A.T.

Chernjavskij G.S.

Chekalin V.V.

Chutchikov V.N.

Dates

1997-11-10—Published

1996-06-13—Filed

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