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2 310 003

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IPC

C22B34/22(2006-01-01)

C22B3/20(2006-01-01)

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Application

2005141643/02, 2005-12-29

(24)

Start date

2005-12-29

(22)

Actual filing date

2005-12-29

(45)

Published

2007-11-10

(72)

Inventor

Vatolin Nikolaj Anatol'EvichKhalezov Boris DmitrievichLeont'Ev Leopol'D IgorevichOvchinnikova Ljubov' AndreevnaNezhivykh Viktor Arsent'Evich

(73)

Holder

Gosudarstvennoe Uchrezhdenie Institut Metallurgii Ural'Skogo Otdelenija Rossijskoj Akademii Nauk Imet Uro Ran)

VANADIUM EXTRACTION METHOD FROM VANADIUM-CONTAINING MATERIAL Russian patent published in 2007 - IPC C22B34/22 C22B3/20 

Abstract RU 2310003 C2

FIELD: hydrometallurgy, namely methods for extraction of vanadium out of alkali solutions produced after leaching metallurgical slag and other vanadium-containing materials.

SUBSTANCE: method comprises steps of leaching vanadium-containing material for producing vanadium containing solution; extracting vanadium form prepared solution by deposition due to mixing vanadium-containing solution with ammonium persulfate in quantity multiple by 1 - 2 times relative to stoichiometric quantity necessary for generation of ammonium vanadate. Method allows produce chemically pure vanadium product containing more than 99% of V2O5.

EFFECT: enhanced efficiency of vanadium extraction according to simplified technological process, possibility for producing chemically pure vanadium product out of intensified alkali solutions.

2 tbl

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RU 2 310 003 C2

Authors

Vatolin Nikolaj Anatol'Evich

Khalezov Boris Dmitrievich

Leont'Ev Leopol'D Igorevich

Ovchinnikova Ljubov' Andreevna

Nezhivykh Viktor Arsent'Evich

Dates

2007-11-10—Published

2005-12-29—Filed

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