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2 100 095

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Application

95110951/03, 1995-06-27

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Actual filing date

1995-06-27

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Published

1997-12-27

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Inventor

Teleshman I.I.Mantsevich M.I.Naftal' M.N.Markov Ju.F.Medzhibovskij A.S.Volkov V.I.Zhelezova T.M.Rozenberg Zh.I.Nikolaev Ju.M.Lindt V.A.Sukhobaevskij Ju.Ja.Shirshov Ju.A.Kunaeva I.V.Vashkeev V.M.Obednin A.K.Markichev V.G.Mitjukov V.V.

(73)

Holder

Aktsionernoe Obshchestvo Gorno-Metallurgicheskij Kombinat"

METHOD OF BULK FLOTATION OF SULFIDES CONTAINING NOBLE METALS FROM COMPLEX-ORE IRON-CONTAINING MATERIALS Russian patent published in 1997 - IPC

Abstract RU 2100095 C1

FIELD: mineral dressing. SUBSTANCE: flotation concentration of iron materials containing complex-ore sulfides and noble metal minerals can be used in combined processes of concentration for recovering heavy, nonferrous, and noble metals from low-grade iron sulfide-containing metallurgical products into bulk sulfide concentrate. Method includes preliminarily preparing material for flotation, adding to slurry petrochemical oil-soluble sulfur-containing reagent and sulfhydryl collector, and isolation of useful metals into foam product - bulk sulfide concentrate. As above- mentioned reagent, sulfonic acids and alkali-earth metal sulfonates are used, their weight ratio to sulfhydryl collector being (0.005- 0.10):1. Above-mentioned sulfonates can be used in the form of detergent-dispersing additives for basic lube oils or as components of commercial petroleum products, as well as components of exhausted motor oils. EFFECT: enhanced efficiency of process. 3 cl, 1 tbl

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RU 2 100 095 C1

Authors

Teleshman I.I.

Mantsevich M.I.

Naftal' M.N.

Markov Ju.F.

Medzhibovskij A.S.

Volkov V.I.

Zhelezova T.M.

Rozenberg Zh.I.

Nikolaev Ju.M.

Lindt V.A.

Sukhobaevskij Ju.Ja.

Shirshov Ju.A.

Kunaeva I.V.

Vashkeev V.M.

Obednin A.K.

Markichev V.G.

Mitjukov V.V.

Dates

1997-12-27—Published

1995-06-27—Filed

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