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2 463 367

(13)

(51)

IPC

C22B15/00(2006-01-01)

C22B34/34(2006-01-01)

C22B3/04(2006-01-01)

B03D1/02(2006-01-01)

(21) (22)

Application

2011124141/02, 2011-06-15

(24)

Start date

2011-06-15

(22)

Actual filing date

2011-06-15

(45)

Published

2012-10-10

(72)

Inventor

Rudnev Boris PetrovichBurkova Tat'Jana VladimirovnaEremina Julija BorisovnaNazarenko Vasilij Vasil'EvichJasenkova Marina Alekseevna

(73)

Holder

Federal'Noe Gosudarstvennoe Unitarnoe Predprijatie Nauchno-Issledovatel'Skij, Proektnyj I Konstruktorskij Institut Gornogo Dela I Metallurgii Tsvetnykh Metallov" Fgup

METHOD TO EXTRACT COPPER AND MOLYBDENUM FROM SULFIDE COPPER-MOLYBDENUM ORES Russian patent published in 2012 - IPC C22B15/00 C22B34/34 C22B3/04 B03D1/02

Abstract RU 2463367 C1

FIELD: metallurgy.

SUBSTANCE: method includes main floatation with several rewashes by sulphydric and apolar collectors to produce a collective crude copper-molybdenum concentrate. Then its treatment with a reagent is carried out, such as sodium sulphide, and selective floatation to produce a foamed molybdenum-containing product and a chamber copper-containing concentrate. When processing a crude copper-molybdenum concentrate, a combination of sodium sulfide and sodium thioantimonate at the ratio of 4:1÷1:1.

EFFECT: higher extraction of copper and molybdenum.

1 tbl

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RU 2 463 367 C1

Authors

Rudnev Boris Petrovich

Burkova Tat'Jana Vladimirovna

Eremina Julija Borisovna

Nazarenko Vasilij Vasil'Evich

Jasenkova Marina Alekseevna

Dates

2012-10-10—Published

2011-06-15—Filed