Froth flotation process and collector therefor

Details Froth flotation process and collector therefor Froth flotation process and collector therefor

1985-04-03

1989-05-09

Nozick, Bernard

Classifying, separating, and assorting solids

Fluid suspension

Liquid

252 61, B03D 114

Patent

active

048286877

ABSTRACT:
A froth flotation process in which an amphoteric compound is used as a collector for oxide and salt type minerals. The amphoteric compound has the formula ##STR1## in which R is a hydrocarbon group having 4 to 18 carbon atoms; n is 0 or 1;; p is a number from 0 to 5; and R.sub.1 is a hydrocarbon group having 5 to 18 carbon atoms or the group ##STR2## in which R, n and p have the above mentioned meaning; or a salt thereof.

REFERENCES:
patent: 4070276 (1978-01-01), Broman et al.
patent: 4358368 (1982-11-01), Hellsten et al.

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