FIELD: processes for beneficiation of gold-containing materials, more particularly additional recovery of gold from clay-salt slurries which are waste products from beneficiation of mineral salts. SUBSTANCE: initial material for recovery of gold includes clay-salt slurry waste resulting from beneficiation of salts mixed with liquefying agent till pulp is formed at solid to liquid ratio of 1:3-10. Gravity beneficiation is carried out with liquefying agent fed to centrifugal concentrator at pressure 0.05-0.30 g/sq. cm. EFFECT: more efficient recovery process. 5 cl
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Authors
Dates
1997-06-27—Published
1995-08-04—Filed