PROCESS OF FLOTATION OF SULFIDE GOLD-CONTAINING ORES Russian patent published in 2002 - IPC

Abstract RU 2185249 C1

FIELD: mineral dressing. SUBSTANCE: process that can be used for flotation of sulfide gold-containing ores as well as complex ores involves conditioning of pulp with xanthogenate and auxiliary collector, in particular concentrate of ketosulfides: mixture of 3,7-dimethyl-5-thianonan-2,8-dione, 3-methyl-5-thiahexan-2-one, 3-methyl-3- thiaheptan-2-one, 3,6-dimethyl-5-thiaheptan-2-one, 3-methyl-thiacyclohexan-4- one, 1,4,5-trimethyl-7-nhiabicyclo(2,2,2)octan-2-one, and isomers of 3,4,6- trimethyl-2-cyclohexen-1-one. The latter is added in amount 25-50% of the total consumption of collectors. EFFECT: improved flotation characteristics. 2 cl, 1 tbl

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RU 2 185 249 C1

Authors

Algebraistova N.K.

Gudkova N.V.

Alekseeva E.A.

Baeva L.A.

Ulendeeva A.D.

Ljapina N.K.

Dates

2002-07-20—Published

2000-11-21—Filed