Flotation process

Details Flotation process Flotation process

1996-03-06

1999-03-09

Lithgow, Thomas M.

Classifying, separating, and assorting solids

Fluid suspension

Liquid

209166, B03D 106, B03D 102, B03D 1002

Patent

active

058795421

ABSTRACT:
Disclosed is a process for the flotation of a mineral concentrate comprising the steps of forming an aqueous slurry of a milled mineral ore containing particles of a desired mineral species and adding a flotation reagent which causes a desired variation in the flotation tendency of the desired mineral species present within the slurry so as to increase the efficiency of separation of that mineral species from the slurry relative to a situation where said flotation reagent is absent from the slurry. A stabilising agent is introduced to the slurry in an amount which creates electrochemical conditions conductive to separation of the desired mineral from the slurry and causes the destruction of a deleterious component from the slurry which consumes the flotation reagent thereby maintaining or improving the efficiency of separation of the desired mineral species from the slurry of milled ore.

REFERENCES:
patent: 1728352 (1929-09-01), Lowe
patent: 1869532 (1932-08-01), Weinig
patent: 1893517 (1933-01-01), Gaudin
patent: 1973558 (1934-09-01), Brinker
patent: 2012830 (1935-08-01), Rolston
patent: 3137649 (1964-06-01), DeBenedictis
patent: 5068028 (1991-11-01), Miller et al.
patent: 5110455 (1992-05-01), Huch
"The Separation by Flotation by Copper-Lead-Zinc Sulfides" Wills, B.A. Mining Magazine Jan. 1984 pp. 36-41.

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