APATITE ORE FLOTATION PROCESS Russian patent published in 2001 - IPC

Abstract RU 2174451 C2

FIELD: mineral dressing. SUBSTANCE: pulp involves conditioning by soda, liquid glass, and industrial-grade lignosulfonates; addition of collector containing acylated amino and hydroxamic acids; and isolation of apatite into froth product. As industrial-grade lignosulfonates, concentrate from lignosulfonate membrane separation process involving micro- and ultrafiltration techniques is used. EFFECT: increased technological characteristics of concentration of oxidized apatite ores. 2 cl, 2 tbl

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RU 2 174 451 C2

Authors

Bragina V.I.

Butyrin V.P.

Bragin V.I.

Efremova L.V.

Kovalenko E.G.

Dates

2001-10-10—Published

1999-03-09—Filed