Phosphate flotation

Details Phosphate flotation Phosphate flotation

1978-11-01

1983-03-22

Yudkoff, Norman

Classifying, separating, and assorting solids

Fluid suspension

Liquid

209 9, B03D 114

Patent

active

043774725

ABSTRACT:
Use of reverse flotation for phosphate rock ore treatment, wherein starch is added first to depress phosphate rock particles, followed by addition of cationic reagent, e.g., amine to float the silica. Phosphate rock is recovered as sink concentrate and silica is recovered as float tailings.

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patent: 2341046 (1944-02-01), Kirby
patent: 2466995 (1949-04-01), McMurray
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patent: 2666588 (1954-01-01), Schack
patent: 2740522 (1956-04-01), Aimone
patent: 3371778 (1968-03-01), Iwasaki
patent: 3403783 (1968-10-01), Andery
patent: 3456790 (1969-07-01), Fast
patent: 3862028 (1975-01-01), Jones
patent: 4008151 (1977-02-01), Smaui

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