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2 477 327

(13)

(51)

IPC

C22B34/22(2006-01-01)

C22B34/34(2006-01-01)

C22B59/00(2006-01-01)

C22B60/02(2006-01-01)

C22B3/08(2006-01-01)

(21) (22)

Application

2011136709/02, 2011-09-05

(24)

Start date

2011-09-05

(22)

Actual filing date

2011-09-05

(45)

Published

2013-03-10

(72)

Inventor

Sarychev Gennadij AleksandrovichDenisenko Aleksandr PetrovichZatsepina Marija SergeevnaDen'Ginova Svetlana Jur'EvnaTatarinov Aleksandr SergeevichSmirnov Konstantin MikhajlovichPeganov Vladimir Alekseevich

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo Nauchno-Issledovatel'Skij Institut Khimicheskoj Tekhnologii"

COMPLEX PROCESSING METHOD OF CARBON-SILICIC BLACK-SHALE ORES Russian patent published in 2013 - IPC C22B34/22 C22B34/34 C22B59/00 C22B60/02 C22B3/08

Abstract RU 2477327 C1

FIELD: metallurgy.

SUBSTANCE: invention refers to complex processing method of carbon-silicic black-shale ores, which contain vanadium, uranium, molybdenum and rare-earth elements. The above method involves ore crushing to the particle size of not more than 0.2 mm and two leaching stages. Oxidation sulphuric-acid leaching is performed at atmospheric pressure. Autoclave oxidation sulphuric-acid leaching is performed at the temperature of 130-150°C in presence of oxygen-containing gas and addition of a substance forming nitrogen oxide, as a catalyst of oxygen oxidation. Ion-exchange sorption of uranium, molybdenum, vanadium and rare-earth elements is performed from the obtained product solution.

EFFECT: increasing extraction degree of vanadium, uranium, molybdenum; improving the complexity of ore use owing to associated extraction of rare-earth elements.

18 cl, 1 dwg

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RU 2 477 327 C1

Authors

Sarychev Gennadij Aleksandrovich

Denisenko Aleksandr Petrovich

Zatsepina Marija Sergeevna

Den'Ginova Svetlana Jur'Evna

Tatarinov Aleksandr Sergeevich

Smirnov Konstantin Mikhajlovich

Peganov Vladimir Alekseevich

Dates

2013-03-10—Published

2011-09-05—Filed