| 摘要 |
<p>FIELD: mining industry. SUBSTANCE: invention, in particular, relates to froth flotation of useful sulfide minerals from primary metal-containing sulfide ores. Method is distinguished by that depressor is polyvinyl alcohol-acrylamide graft copolymer or its mixture with polysaccharide. EFFECT: reduced non-sulfide minerals and increased isolation of useful sulfide minerals. 11 cl, 7 tbl</p> |
