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2 296 802

(13)

(51)

IPC

C22B34/34(2006-01-01)

C22B3/12(2006-01-01)

(21) (22)

Application

2005121798/02, 2005-07-11

(24)

Start date

2005-07-11

(22)

Actual filing date

2005-07-11

(45)

Published

2007-04-10

(72)

Inventor

Kozhevnikov Georgij NikolaevichSitdikov Farit GabdulkhanovichVodop'Janov Adrian Georgievich

(73)

Holder

Gosudarstvennoe Uchrezhdenie Institut Metallurgii Ural'Skogo Otdelenija Rossijskoj Akademii Nauk Imet Uro Ran)Zao Nauchno-Proizvodstvennoe Predprijatie

METHOD OF EXTRACTION OF MOLYBDENUM FROM MOLYBDENUM-CONTAINING CINDER Russian patent published in 2007 - IPC C22B34/34 C22B3/12

Abstract RU 2296802 C1

FIELD: hydro-metallurgy of rare-earth metals; processing of molybdenum-containing cinders.

SUBSTANCE: proposed method includes treatment of cinder with potassium carbonate and nitrate solution at the following ratio (by mass): K₂CO₃:Mo, 1.1-1.2 and KNO₃ : (MoO₂+MoS₂), 2.7-2.8. Leaching-out process is carried out in one stage at extraction of molybdenum to solution from cinder up to 98.7%.

EFFECT: enhanced efficiency of extraction of molybdenum; facilitated leaching-out procedure.

1 tbl, 8 ex

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RU 2 296 802 C1

Authors

Kozhevnikov Georgij Nikolaevich

Sitdikov Farit Gabdulkhanovich

Vodop'Janov Adrian Georgievich

Dates

2007-04-10—Published

2005-07-11—Filed