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2 066 570

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C1

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IPC

(21) (22)

Application

5061156/03, 1992-09-01

(22)

Actual filing date

1992-09-01

(45)

Published

1996-09-20

(72)

Inventor

Teterina N.N.Radushev A.V.Poliksha A.M.Ehntenteev A.Z.

(73)

Holder

Aktsionernoe Obshchestvo

METHOD OF POTASSIUM CHLORIDE PRODUCTION FROM POTASSIUM-BEARING ORES Russian patent published in 1996 - IPC

Abstract RU 2066570 C1

FIELD: mineral resources benefication, ores flotation. SUBSTANCE: pulp is made deslimed. Deslimed pulp is conditioned under density of 50 - 70 % and pH of 2 - 3. Flotation of potassium chloride is exercised with usage of collector. As collector they use salts of carbon aliphatic acids hydrazides of following composition, mass %: CC7 acid hydrazide salt - of no more than 100; CC8 acid hydrazide salt - of no more than 25.0; CC9 acid hydrazide salt - 50.0 - 75.0; CC10 acid hydrazide salt - 25.0 - 50.0. EFFECT: increased effectiveness. 1 tbl

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RU 2 066 570 C1

Authors

Teterina N.N.

Radushev A.V.

Poliksha A.M.

Ehntenteev A.Z.

Dates

1996-09-20—Published

1992-09-01—Filed

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