Aqueous composition useful in ore floatation containing aliphati

Details Aqueous composition useful in ore floatation containing aliphati Aqueous composition useful in ore floatation containing aliphati

1994-05-26

1996-04-16

Lithgow, Thomas M.

Classifying, separating, and assorting solids

Fluid suspension

Liquid

252 61, B03D 1018, B03D 102

Patent

active

055073948

ABSTRACT:
A composition, adapted to be used in the flotation of ore fractions in aqueous suspension, consists essentially of: (a) water; (b) a hydrocarbon extender oil, preferably one having a low aromatics content; (c) a long chain aliphatic amine, such as a tallow-based amine, preferably one with an iodine value is less than about 20 cg/g; and (d) an acid emulsifier. This composition is prepared by the following successive steps: (a) dissolution of the amine in the oil at an elevated temperature, (b) addition of the acid to the aqueous phase, (c) addition of the oil containing the amine to the aqueous phase, and (d) emulsification of the mixture using an appropriate shearing.

REFERENCES:
patent: 2936887 (1960-05-01), Wilson
patent: 2937751 (1960-05-01), Schoeld
patent: 3424310 (1969-01-01), Wilson
patent: 3844939 (1974-10-01), Katayanagi
patent: 5122289 (1992-06-01), Mackenzie et al.

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