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2 168 369

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IPC

(21) (22)

Application

96123474/03, 1996-12-15

(24)

Start date

1996-12-15

(22)

Actual filing date

1996-12-15

(45)

Published

2001-06-10

(72)

Inventor

Bragina V.I.Bragin V.I.

(73)

Holder

Krasnojarskaja Gosudarstvennaja Akademija Tsvetnykh Metallov I ZolotaBragina Vera IvanovnaBragin Viktor Igorevich

APATITE ORE FLOTATION PROCESS Russian patent published in 2001 - IPC

Abstract RU 2168369 C2

FIELD: mineral dressing. SUBSTANCE: pulp is successively treated with soda, liquid glass, sulfite-alcohol slop, collector containing mixture of acylated amino and hydroxamic acids. Prior to be conditioned with collector, pulp is additionally treated with imino- bis(methylenediphosphoric acid). EFFECT: improved characteristics of flotation of low-grade high-carbonate ores with elevated content of silicates. 2 cl, 1 tbl

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RU 2 168 369 C2

Authors

Bragina V.I.

Bragin V.I.

Dates

2001-06-10—Published

1996-12-15—Filed