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2 364 639

(13)

(51)

IPC

C22B13/00(2006-01-01)

C22B1/02(2006-01-01)

(21) (22)

Application

2007109718/02, 2007-03-16

(24)

Start date

2007-03-16

(22)

Actual filing date

2007-03-16

(45)

Published

2009-08-20

(72)

Inventor

Antropova Inna GermanovnaGuljashinov Anatolij NikitichLamuev Valentin AleksandrovichPaleev Pavel Leonidovich

(73)

Holder

Bajkal'Skij Institut Prirodopol'Zovanija Sibirskogo Otdelenija Rossijskoj Akademii Nauk So Ran)

METHOD OF PROCESSING REBELLIOUS OXIDISED LEAD ORE Russian patent published in 2009 - IPC C22B13/00 C22B1/02

Abstract RU 2364639 C2

FIELD: metallurgy.

SUBSTANCE: invention deals with combined ore benefication processes (those of lead pyrometallurgy - in particular) and is to be utilised in non-ferrous metallurgy for processing rebellious oxidised lead ores. The proposed method of processing rebellious oxidised lead ore containing plumbojarosite envisages sulphidising annealing with offgrade pyrite concentrate in an atmosphere of overheated aqueous vapour. Then follows flotation benefication. Annealing proceeds at a temperature of 993-1023°K.

EFFECT: utilisation of an inexpensive sulphidiser, extraction of lead from rebellious oxidised lead ore containing plumbojarosite.

4 ex

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RU 2 364 639 C2

Authors

Antropova Inna Germanovna

Guljashinov Anatolij Nikitich

Lamuev Valentin Aleksandrovich

Paleev Pavel Leonidovich

Dates

2009-08-20—Published

2007-03-16—Filed