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1 678 073

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A1

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IPC

(21) (22)

Application

4701679/02, 1989-06-05

(22)

Actual filing date

1989-06-05

(45)

Published

1996-08-27

(72)

Inventor

Jakovenko B.I.Kudrjavskij Ju.P.Ushakova N.L.Vokhmjanina O.V.Semen'Kov A.V.

METHOD OF VANADIUM PENTOXIDE PRODUCING Russian patent published in 1996 - IPC

Abstract SU 1678073 A1

FIELD: metallurgy. SUBSTANCE: method involves decomposition of vanadium hydroxytrichloride in sodium hydroxide solution containing 30-50 g/l ammonium chloride and 50-100 g/l sodium chloride, isolation of ammonium meta-vanadate from solution, pulp filtration, washing, drying and calcination of ammonium meta-vanadate. Invention can be used in titanium-magnesium plants, for processing vanadium hydroxytrichloride to vanadium pentoxide. EFFECT: enhanced vanadium extraction. 1 tbl

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SU 1 678 073 A1

Authors

Jakovenko B.I.

Kudrjavskij Ju.P.

Ushakova N.L.

Vokhmjanina O.V.

Semen'Kov A.V.

Dates

1996-08-27—Published

1989-06-05—Filed

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