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2 153 018

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IPC

(21) (22)

Application

99100353/02, 1999-01-10

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Start date

1999-01-10

(22)

Actual filing date

1999-01-10

(45)

Published

2000-07-20

(72)

Inventor

Kozlov Vladillen AleksandrovichShajakhmetova Roza AbdrakhmanovnaSuehtin Gennadij LazarevichGrishechkin A.I.(Ru)Alikin V.I.(Ru)

(73)

Holder

Nauchno-Proizvodstvennoe Ob"EdinenieOtkrytoe Aktsionernoe Obshchestvo Verkhnesaldinskoe Metallurgicheskoe Proizvodstvennoe Ob"Edinenie

METHOD OF VANADIUM RECOVERY FROM CONVERTER VANADIUM SLAGS Russian patent published in 2000 - IPC

Abstract RU 2153018 C1

FIELD: hydrometallurgy. SUBSTANCE: method relates to methods of vanadium recovery from monoprocess converter vanadium slags. Initial product is used in the form of monoprocess nonroasted converter vanadium slags which are leached with solution of sulfuric acid with pH gradient equalling at least 0.1 pH/min up to obtaining solution pH of 3.0-4.0 with subsequent filtration and final recovery of vanadium from cake with acid. The method simplifies the process of vanadium recovery from converter slags due to use of initial product in the form of monoprocess converter vanadium slags which do not need oxidizing roasting, and preset conditions of leaching process provides for high degree of recovery of vanadium from slag. EFFECT: higher efficiency. 3 ex

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RU 2 153 018 C1

Authors

Kozlov Vladillen Aleksandrovich

Shajakhmetova Roza Abdrakhmanovna

Suehtin Gennadij Lazarevich

Grishechkin A.I.(Ru)

Alikin V.I.(Ru)

Dates

2000-07-20—Published

1999-01-10—Filed