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2 080 402

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Application

95113351/02, 1995-08-01

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Actual filing date

1995-08-01

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Published

1997-05-27

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Inventor

Tarabrin G.K.Birjukova V.A.Rabinovich E.M.Merzljakov N.E.Volkov V.S.Chernjavskij G.S.Kuz'Michev S.E.Savost'Janov V.S.Tarabrina V.P.Umanskij V.A.Chekalin V.V.Chutchikov V.N.

(73)

Holder

Aktsionernoe Obshchestvo Otkrytogo Tipa

METHOD FOR RECOVERING VANADIUM FROM VANADIUM-CONTAINING MATERIALS Russian patent published in 1997 - IPC

Abstract RU 2080402 C1

FIELD: non-ferrous metallurgy. SUBSTANCE: method comprises the following steps: oxidizing roasting with reactants-additives, leaching of roast thus-produced, hydrolytic precipitation of vanadium pentoxide concentrate, filtering concentrate, washing concentrate with water on filter, followed by melting. Novelty resides in that prior to washing with water, vanadium pentoxide concentrate is treated on filter with 2-% to 7-% ammonium solution, at solid-to-liquid ration of 1:3-10, at precipitate bed thickness 15-40 mm, temperature 20-60 C, pH 3.5-6.0, and solution circulation time 1-5 min. EFFECT: higher vanadium recovery. 2 tbl

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RU 2 080 402 C1

Authors

Tarabrin G.K.

Birjukova V.A.

Rabinovich E.M.

Merzljakov N.E.

Volkov V.S.

Chernjavskij G.S.

Kuz'Michev S.E.

Savost'Janov V.S.

Tarabrina V.P.

Umanskij V.A.

Chekalin V.V.

Chutchikov V.N.

Dates

1997-05-27—Published

1995-08-01—Filed

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