Electrical preconditioning in a selective flotation of sulfide o

Details Electrical preconditioning in a selective flotation of sulfide o Electrical preconditioning in a selective flotation of sulfide o

1974-01-09

1976-01-20

Halper, Robert

Classifying, separating, and assorting solids

Precedent preparation of items or materials to facilitate...

Selective differentiation

209167, B03B 100

Patent

active

039336255

ABSTRACT:
A flotation method for sulfide ores in which, prior to sulfide ore flotation for effecting a mutual separation of the ore constituents, there is carried out a pre-treatment or conditioning step by applying d-c current to the sulfide ore slurry by means of an electrode in order to depress the floatability of certain of the ore constituents.

REFERENCES:
patent: 554914 (1896-02-01), Ommick
patent: 1126965 (1915-02-01), Emerson
patent: 2084316 (1936-07-01), Beatty
patent: 2258507 (1941-10-01), Noag
patent: 3745102 (1973-07-01), Banerji
Chem Abst. 78, 1973, 138984r.

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