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2 113 497

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IPC

(21) (22)

Application

96106854/02, 1996-04-09

(22)

Actual filing date

1996-04-09

(45)

Published

1998-06-20

(72)

Inventor

Arshanskij M.I.Derjabin Ju.A.Kokarenko O.N.Vinokurov V.G.Isupov Ju.D.Pilipenko V.F.Chernushevich A.V.Litovskij V.Ja.

(73)

Holder

Aktsionernoe Obshchestvo Metallurgicheskij Kombinat"

METHOD OF PREPARING VANADIUM SLAG Russian patent published in 1998 - IPC

Abstract RU 2113497 C1

FIELD: ferrous metallurgy. SUBSTANCE: vanadium cast iron is blown through by oxygen in converter in compliance with vanadium slag production method, after which cooling- oxidative agent is added consisting of dross (88-93 wt %) and flux (7-12 wt %), the latter being composed of Al, Fe, Na, K, Ca, Mg, Ti, Mn, and P oxides. Adding flux increases recovery of vanadium from cast iron into slag and from slag into industrial-grade vanadium pentoxide. Method can be applied at ferrous metallurgy enterprises producing vanadium slag that may be processed at chemical vanadium pentoxide production enterprises. EFFECT: increased yield of recovered vanadium. 1 tbl

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RU 2 113 497 C1

Authors

Arshanskij M.I.

Derjabin Ju.A.

Kokarenko O.N.

Vinokurov V.G.

Isupov Ju.D.

Pilipenko V.F.

Chernushevich A.V.

Litovskij V.Ja.

Dates

1998-06-20—Published

1996-04-09—Filed