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2 446 019

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C1

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IPC

B03D1/04(2006-01-01)

(21) (22)

Application

2010132325/03, 2010-08-02

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Start date

2010-08-02

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Actual filing date

2010-08-02

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Published

2012-03-27

(72)

Inventor

Timoshenko Ljudmila IvanovnaOparina Ljudmila AndreevnaSamojlov Viktor Grigor'EvichMarkosjan Svetlana MushegovnaTrofimov Boris Aleksandrovich

(73)

Holder

Uchrezhdenie Rossijskoj Akademii Nauk Institut Khimii I Khimicheskoj Tekhnologii Sibirskogo Otdelenija Ran So Ran)

METHOD OF FLOTATION OF SULPHIDE COPPER-NICKEL ORES Russian patent published in 2012 - IPC B03D1/04 

Abstract RU 2446019 C1

FIELD: process engineering.

SUBSTANCE: invention relates to concentration of non-ferrous metals, particularly, sulphide copper-nickel ores. Proposed method comprises pulp conditioning with collector and foaming agent, adding draw rock depressor and extracting copper and nickel minerals into foam products. Aminomethylated lignines (L-1-L-4) with common structure that differ in substituents in phenyl-propane structural link are used as said depressor. L-1 R1=R2+CH3 (hydroxuchloride); L-2 R1=R2+CH3; L-3 R1=R2+CH2CH2OH; L-4 R1=CH3; R2=CH2CH2OH.

EFFECT: higher yield of copper and nickel into bulk concentrate.

1 tbl

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RU 2 446 019 C1

Authors

Timoshenko Ljudmila Ivanovna

Oparina Ljudmila Andreevna

Samojlov Viktor Grigor'Evich

Markosjan Svetlana Mushegovna

Trofimov Boris Aleksandrovich

Dates

2012-03-27—Published

2010-08-02—Filed

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