FIELD: enrichment of minerals.
SUBSTANCE: invention relates to enrichment of minerals, in particular, to flotation methods of dressing, and can be used in processing of diamond-containing ores. Use of oxyethylated cashew nutshell liquid derivatives with degree of oxyethylation from 1 to 100 as reagent-foaming agent for dressing of diamond-containing ores. Oxyethylated cashew nutshell liquid derivatives used are cardanol, natural cashew nutshell liquid, decarboxylated cashew nutshell liquid, anacardic acid, methyl carbodol, residol. Preferably, the degree of oxyethylation ranges from 30 to 50.
EFFECT: high efficiency of flotation processes when dressing diamond-bearing ores with substituted phenols.
8 cl, 1 dwg, 2 tbl
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Authors
Dates
2020-04-15—Published
2019-09-20—Filed