Dithio-and thiono-carbamate mineral value collectors
Abstract
Abstract A NEW COMPOSITION OF MATTER AND AN IMPROVEMENT IN THE CONCENTRATION OF ORES BY FLOTATION WHICH COMPRISES SUBJECTING A SULFIDE ORE IN THE FORM OF A PULP TP A FLOTATION PROCESS IN THE PRESENCE OF AN EFFECTIVE QUANTITY OF A FLOTATION COLLECTOR COMPRISING A NEW COMPOSITION OF MATTER CORRESPONDING TO THE FORMULA A-R1-NH-C(=S)-Y-R2 WHEREIN A IS A RADICAL CORRESPONDING TO THE FORMULA R-X-C(-X''-R'')(-R3)- OR (-X''-CH(-Z'')-CH(-Z)-X-)>C(-R3)- X AND Y CONSIST OF -S- OR -O-; R, R'', Z, Z'' AND R2 ARE HYDROCARBYL GROUPS, R1 IS AN ALKYLENE GROUP AND R3 IS H OR LOWER ALKYL GROUP. CERTAIN OF THE INDICATED COMPOUNDS PROVIDE FOR ENHANCED SELECTIVITY AND/OR RECOVERY OF SULFIDE MINERALS OF CU, ZN, MO, CO, NI AND PB OVER IRON SULFIDE.
Inventors
- 👤 G Harris
- 👤 T Filer
Bibliographic Details
Claims Analysis
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