Froth flotation of insoluble slimes from sylvinite ores

Details Froth flotation of insoluble slimes from sylvinite ores Froth flotation of insoluble slimes from sylvinite ores

1978-09-15

1980-03-11

Halper, Robert

Classifying, separating, and assorting solids

Precedent preparation of items or materials to facilitate...

Selective differentiation

209166, B03D 102

Patent

active

041927370

ABSTRACT:
Sylvinite ores are treated for removal of insoluble slimes by a froth flotation technique which includes flocculating the slimes with nonionic or polyacrylamide flocculants and thereafter utilizing a nonionic or an anionic flotation collector including a mixture of fuel oil or a fatty acid and a defoamer of the glycol ester or polyglycol ester type. The flocculated slimes may also be floated with a fatty acid collector alone at low pH conditions.

REFERENCES:
patent: 2182845 (1939-12-01), Morris
patent: 2222330 (1940-11-01), Weinig
patent: 2275138 (1942-03-01), Fuchs
patent: 2509672 (1951-10-01), Jackson
patent: 2921678 (1960-01-01), Fuchsman
patent: 2923408 (1960-02-01), Williams
patent: 3016143 (1962-01-01), Trachta
patent: 3452667 (1969-07-01), Bishop

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