Flotation process of lead-, copper-, uranium- and rare earth min

Details Flotation process of lead-, copper-, uranium- and rare earth min Flotation process of lead-, copper-, uranium- and rare earth min

1976-01-09

1978-01-24

Halper, Robert

Classifying, separating, and assorting solids

Fluid suspension

Liquid

B03D 102

Patent

active

040702766

ABSTRACT:
A process and flotation agents are provided for flotation of lead-, uranium-, and rare earth-type minerals and ores in which an aqueous pulp of the mineral or ore is subjected to a froth flotation, characterized in that the flotation is performed in the presence of a tertiary amine flotation agent having the general formula: ##STR1## wherein: R is a aliphatic hydrocarbon group having from about six to about twenty four carbon atoms;

REFERENCES:
patent: 1952907 (1934-03-01), Christmann
patent: 2103872 (1937-12-01), Schoeller
patent: 2267307 (1941-12-01), Ralston
patent: 2287274 (1942-06-01), Ralston
patent: 2407203 (1946-09-01), Cole
patent: 2414199 (1947-01-01), Gutzeit
patent: 2647629 (1953-08-01), Veltman
patent: 3430641 (1969-03-01), Newman
patent: 3725473 (1973-04-01), Sundby
patent: 3834533 (1974-09-01), McGuire
Chem. Abst., 83, 1975, p. 2003, 1263f.

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