Compositions – Physical separation agents – Froth-flotation or differential adherence
Patent
1981-10-23
1983-06-07
Kittle, John E.
Compositions
Physical separation agents
Froth-flotation or differential adherence
252 60, 209166, 209176, 210704, 210705, 210728, 210729, E22B 300, E22B 1512
Patent
active
043870341
ABSTRACT:
A collector for use in concentrating metal values in ores by flotation, said collector comprising a synergistic mixture of O-isopropyl N-ethylthionocarbamate and O-isobutyl N-methylthionocarbamate. Ore dressing flotation methods wherein said mixture serves as collector are also provided.
REFERENCES:
patent: 3590996 (1971-06-01), Harris
patent: 3590997 (1971-06-01), Harris
patent: 3590998 (1971-06-01), Collins
patent: 3590999 (1971-06-01), Gould et al.
patent: 3787471 (1974-01-01), Harris et al.
Synthesis and Use of Flotation Reagents, Pascalide et al., 5-1964, Chemical Abstract, vol. 62, 1965, 12798C.
Interaction of Dialkylthionocarbamates with Sulfide Minerals, Flembotskii et al., 14(1)1971, Chemical Abstract, vol. 75, 1971, 390922.
Smeltzer Dennis V.
Unger Kim N.
Kittle John E.
Le Hoa V.
Thiotech, Inc.
Weiss Harry M.
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