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Application

96116697/02, 1996-08-19

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Actual filing date

1996-08-19

(45)

Published

1998-03-10

(72)

Inventor

Besman Vladimir Leonidovich[Kz]Besman Leonid Vladimirovich[Kz]Rabinovich Efim Mikhajlovich[Ru]Merzljakov Nikolaj Efimovich[Ru]

(73)

Holder

Aktsionernoe Obshchestvo Otkrytogo TipaFirma

METHOD OF CONTINUOUS SEPARATION OF VANADIUM FROM VANADIUM-CALCIUM-MANGANESE-CONTAINING SOLUTIONS Russian patent published in 1998 - IPC

Abstract RU 2106419 C1

FIELD: hydrometallurgy of vanadium, in particular, methods of separation of vanadium from solutions of its salts. SUBSTANCE: solution is heated, and precipitation of vanadium is attained in the presence of precipitate of vanadium oxide with solid-to-liquid phases ratio of 1:1. Solution is acidified up to pH 0.9-1.6 and passed in counterflow with respect to precipitate from below upward at speed of 0.2-10.0 l/h per square centimeter of layer cross-section. Vanadium precipitation is carried out at temperature of 101-110 C in nonautoclave conditions. EFFECT: improved quality of product.

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RU 2 106 419 C1

Authors

Besman Vladimir Leonidovich[Kz]

Besman Leonid Vladimirovich[Kz]

Rabinovich Efim Mikhajlovich[Ru]

Merzljakov Nikolaj Efimovich[Ru]

Dates

1998-03-10—Published

1996-08-19—Filed

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