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2 136 383

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IPC

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Application

97113919/03, 1997-08-13

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Start date

1997-08-13

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Actual filing date

1997-08-13

(45)

Published

1999-09-10

(72)

Inventor

Titkov S.N.Pimkina L.M.Chistjakov A.A.Frolov N.P.Mikhajlova I.A.Al'Zhev I.A.Chumakova T.G.

(73)

Holder

Otkrytoe Aktsionernoe ObshchestvoObshchestvo S Ogranichennoj Otvetstvennost'Ju Sovmestnoe Predprijatie

METHOD FOR FLOTATION ENRICHMENT OF POTASSIUM ORES Russian patent published in 1999 - IPC

Abstract RU 2136383 C1

FIELD: mining industry. SUBSTANCE: process includes grinding and desludging ore, sorting flotation feed to fineness 0.1-0.3 mm, reagent treatment and separate flotation of potassium chloride from coarse and fine (-0.3+0 mm) ore fractions. The latter flotation is carried out with amine supplemented by polyacrylamide at ratio (0.05-0.3):1 or mixture of amine with paraffin, aromatic, naphtene hydrocarbons, or their mixture at ratio 1: 90.05-3.0), respectively, or mixture of amine with aromatic hydrocarbons and polyacrylamide. EFFECT: enhanced efficiency of flotation from fine fractions. 2 cl, 4 tbl

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RU 2 136 383 C1

Authors

Titkov S.N.

Pimkina L.M.

Chistjakov A.A.

Frolov N.P.

Mikhajlova I.A.

Al'Zhev I.A.

Chumakova T.G.

Dates

1999-09-10—Published

1997-08-13—Filed