Flotation recovery of pyrochlore

Details Flotation recovery of pyrochlore Flotation recovery of pyrochlore

1978-06-30

1979-12-11

Halper, Robert

Classifying, separating, and assorting solids

Fluid suspension

Liquid

B03D 102

Patent

active

041782356

ABSTRACT:
Pyrochlore, an economically important mineral source of niobium and tantalum, is recovered by flotation. Normally this requires numerous stages of concentrate cleaning because of the physical character of the froth, i.e., its consistency and stability.
The use of 5-hydroxy quinoline as the collector/frother provides a froth with improved physical properties permitting a reduction of the required number of stages of flotation cleaning and improved recovery at a required concentrate grade.

REFERENCES:
patent: 2875896 (1959-03-01), Last
patent: 2953569 (1960-09-01), Last
patent: 2959281 (1960-11-01), Faucher
patent: 3430765 (1969-03-01), Allen

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