Phosphate ore recovery

Details Phosphate ore recovery Phosphate ore recovery

1975-11-19

1978-01-17

Halper, Robert

Classifying, separating, and assorting solids

With heat treatment

209166, B03B 102

Patent

active

040691446

ABSTRACT:
The invention is an improvement in the process of benificiating phosphate ores, the process including at least one acid flotation and at least one amine flotation. The improvement is a reduction in the formation of slimes, obtained by drying the phosphate ore prior to classification and flotation or by transporting it to the flotation plant out of contact with water.

REFERENCES:
patent: 1901221 (1933-03-01), Bullwinkel
patent: 2162494 (1939-06-01), Trotter
patent: 2336868 (1943-12-01), Jayne
patent: 2811254 (1957-06-01), McGarry
patent: 2903131 (1959-09-01), Heinrichs
patent: 3302785 (1967-02-01), Greene
patent: 3329352 (1967-07-01), Clary
patent: 3456360 (1969-07-01), Tenakawa
patent: 3646689 (1972-03-01), Kuchenthol
patent: 3880703 (1977-04-01), Maudman

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