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2 240 367

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IPC

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Application

2003129560/02, 2003-10-07

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Start date

2003-10-07

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Actual filing date

2003-10-07

(45)

Published

2004-11-20

(72)

Inventor

Digonskij S.V.Dubinin N.A.Kochetkov V.S.Ten V.V.Polinkin V.M.Rozhnov A.V.Li S.I.Fedotov K.V.Potemkin A.A.Sheptunov A.L.Ishpakhtin V.V.

(73)

Holder

Digonskij Sergej ViktorovichDubinin Nikolaj AndreevichKochetkov Vladimir StepanovichTen Vjacheslav VladimirovichPolinkin Viktor MikhajlovichRozhnov Aleksandr ViktorovichLi Sergej IvanovichFedotov Konstantin VadimovichPotemkin Anatolij AlekseevichSheptunov Aleksej L'VovichIshpakhtin Vasilij Vladimirovich

METHOD OF RECOVERING PRECIOUS METALS FROM GRAVITATION CONCENTRATES Russian patent published in 2004 - IPC

Abstract RU 2240367 C1

FIELD: precious metal technology.

SUBSTANCE: method involves oxidative firing of concentrate, disintegration of cinder, and adjusting the latter on table concentrator to isolate gold head and tails, after which gold head is melted with fusing agents in shaft-crucible oven, melt is tapped and separated into alloy and slag. When performing adjustment, not more than 5% of the weight of cinder is isolated into gold head and adjustment tails are remelted in ore-thermal furnace under accumulative melting conditions.

EFFECT: enabled rapid and effective production of crude alloy containing precious metals directly at gold-recovery fabrics from significant volumes of concentrates with high productivity and degree of recovery (up to 99%).

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RU 2 240 367 C1

Authors

Digonskij S.V.

Dubinin N.A.

Kochetkov V.S.

Ten V.V.

Polinkin V.M.

Rozhnov A.V.

Li S.I.

Fedotov K.V.

Potemkin A.A.

Sheptunov A.L.

Ishpakhtin V.V.

Dates

2004-11-20—Published

2003-10-07—Filed