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2 080 403

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Application

95115249/02, 1995-09-05

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Actual filing date

1995-09-05

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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.Frolov A.T.Tartakovskij I.M.Kuz'Michev S.E.Chernjavskij G.S.Chekalin V.V.Savost'Janov V.S.

(73)

Holder

Aktsionernoe Obshchestvo Otkrytogo Tipa

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

Abstract RU 2080403 C1

FIELD: non-ferrous metallurgy, vanadium production. SUBSTANCE: method involves crushing vanadium-containing raw materials, magnetic separation, grinding, mixing ground material with limestone, oxidizing roasting of feedstock material, leaching of roasted material, hydrolytic precipitation of vanadium to finally produce technical-grade vanadium pentoxide in form of paste. Novelty is that the method uses ash resulting from operation of thermal power generating plants. ash is mixed with limestone and additionally treated with water at solid-to-liquid ratio of 1:1.5-10, temperature 80 C, for 10-30 min. EFFECT: higher efficiency. 2 tbl

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RU 2 080 403 C1

Authors

Tarabrin G.K.

Birjukova V.A.

Rabinovich E.M.

Merzljakov N.E.

Volkov V.S.

Frolov A.T.

Tartakovskij I.M.

Kuz'Michev S.E.

Chernjavskij G.S.

Chekalin V.V.

Savost'Janov V.S.

Dates

1997-05-27—Published

1995-09-05—Filed

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