Novel collectors for the selective froth flotation of mineral su

Details Novel collectors for the selective froth flotation of mineral su Novel collectors for the selective froth flotation of mineral su

1986-05-06

1988-03-22

Nozick, Bernard

Classifying, separating, and assorting solids

Fluid suspension

Liquid

252 61, B03D 114

Patent

active

047326689

ABSTRACT:
This invention relates to a froth flotation process for selectively recovering nonferrous metal-containing sulfide minerals or sulfidized metal-containing oxide minerals from ores using froth flotation. The collector employed in the process is an epithio compound of the formula: ##STR1## wherein m=1, 2 or 3; each R is independently hydrogen, a hydrocarbyl group or substituted hydrocarbyl group; each R.sup.1 is independently hydrogen, a hydrocarbyl group or substituted hydrocarbyl group, provided one R or R.sup.1 is not hydrogen; and each R.sup.2 is independently hydrogen, hydrocarbyl, hydrocarbyloxy or hydrocarbyl thioether.

REFERENCES:
patent: 3071593 (1963-01-01), Warner
patent: 3822288 (1974-07-01), Labat et al.

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