Process for dressing kaolinite by flotation

Details Process for dressing kaolinite by flotation Process for dressing kaolinite by flotation

1986-02-26

1987-12-22

Schor, Kenneth M.

Classifying, separating, and assorting solids

Fluid suspension

Liquid

209166, B03D 100

Patent

active

047145447

ABSTRACT:
Process for the selective separation of kaolinite and feldspar by flotation in aqueous pulp, wherein flotation is carried out at the pH-value of the pulp which is naturally obtained during suspension of the mixture of minerals in water using water-soluble salts with trivalent metal ions as activators and depressors, in the presence of cationic and/or anionic surfactants as collectors, and optionally in the presence of other standard flotation aids.

REFERENCES:
patent: 3203968 (1965-08-01), Sebba
patent: 3979282 (1976-09-01), Cundy
patent: 4501658 (1985-02-01), Young
patent: 4518491 (1985-05-01), Bilimovia
"Froth Flotation"; Fuerstenav, D. W.; AIME 1962; pp. 51-52.
Chem. Ab. 72, 102251m (1970).
Chem. Ab. 74, 102589 (1972).
Chem. Ab. 68, 116 041A (1968).
Chem. Ab. 71, 5014h (1969).
Chem. Ab. 79, 147 840p.
Chem. Ab. 92, 150, 570 (1980).
Handbook of Chemistry and Physics, 66th ed., 1985-86, p. F-298; published by CRC Press, Inc., Boca Raton, Fla.; edited by R. C. Weast.

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