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2 108 167

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Application

97101893/03, 1997-02-14

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Actual filing date

1997-02-14

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Published

1998-04-10

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Inventor

Ostrozhnaja E.E.Malinovskaja I.N.Asanova I.I.Abramov N.P.Govorov A.V.Naftal' M.N.Markov Ju.F.Mantsevich M.I.Mal'Tsev N.A.Bazoev Kh.A.Baskaev P.M.Garibov Kh.A.Tinaev T.R.Rozenberg Zh.I.Nikolaev Ju.M.Lindt V.A.Medzhibovskij A.S.Panfilova L.V.Mitjukov V.V.Ismagilov R.I.Kajtmazov N.G.Ivanov V.A.

(73)

Holder

Aktsionernoe Obshchestvo Gorno-Metallurgicheskij Kombinat"

METHOD OF SELECTIVE FLOTATION OF PENTLANDITE IN ALKALI MEDIUM FROM MATERIALS CONTAINING PYRRHOTINE SULFIDES Russian patent published in 1998 - IPC

Abstract RU 2108167 C1

FIELD: chemistry. SUBSTANCE: method includes treatment of material pulp with pyrrhotine depressor, conditioning with sulfhydryl collector and foaming agent, introduction of organic sulfur-containing additive and separation of pentlandite into foam product - selective nickel concentrate. Organic sulfur-containing additive is used in the form of oil-soluble sulfonic acids and/or salts of sulfonic acids - oil-soluble sulfonates of alkali-earth metals which are supplied in the form of detergent-dispersion additives to base lubricating oils or in composition with commercial oil products containing them, including their combination with used automobile oils. Flotation of pyrrhotine sulfides is suppressed by use of modifiers of depressing action, such as calcium hydroxide, alkali salts of dithiocarbamic acid, carbamide-formaldehyde resin. EFFECT: higher efficiency. 6 cl, 1 tbl

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RU 2 108 167 C1

Authors

Ostrozhnaja E.E.

Malinovskaja I.N.

Asanova I.I.

Abramov N.P.

Govorov A.V.

Naftal' M.N.

Markov Ju.F.

Mantsevich M.I.

Mal'Tsev N.A.

Bazoev Kh.A.

Baskaev P.M.

Garibov Kh.A.

Tinaev T.R.

Rozenberg Zh.I.

Nikolaev Ju.M.

Lindt V.A.

Medzhibovskij A.S.

Panfilova L.V.

Mitjukov V.V.

Ismagilov R.I.

Kajtmazov N.G.

Ivanov V.A.

Dates

1998-04-10—Published

1997-02-14—Filed

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