Alkyl mercaptans as collector additives in froth flotation

Details Alkyl mercaptans as collector additives in froth flotation Alkyl mercaptans as collector additives in froth flotation

1985-03-22

1987-08-25

Nozick, Bernard

Classifying, separating, and assorting solids

Fluid suspension

Liquid

252 61, B03D 114

Patent

active

046891420

ABSTRACT:
A method and product for concentrating metal values from their ores employing alkyl mercaptans as collector additives in froth flotation, wherein there is provided a mixture of (I) a collector selected from the class consisting of at least one of (A) an alkyl xanthogen alkyl formate compound having the general formula: ##STR1## wherein R is a branched or straight chain alkyl substituent having 1 to 6 carbon atoms and R' is selected from the class consisting of one of ethyl and methyl; and (B) a dialkyl thionocarbamate compound having the formula: ##STR2## wherein Y is a branched or straight chain alkyl substituent having 1 to 6 carbon atoms and Y' is selected from the class consisting of one of ethyl and ethyl; and (II) an alkyl mercaptan having the formula:

REFERENCES:
patent: 2412500 (1946-12-01), Fischer
patent: 3925218 (1975-12-01), Zipperian et al.
patent: 4387034 (1983-06-01), Unger et al.
patent: 4439314 (1984-03-01), Parlman et al.
patent: 4518492 (1985-05-01), Bresson et al.

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