Aqueous composition useful in ore floatation containing aliphatic amine, extender oil, and emulsifier
AssigneeThe University of British Columbia
InventorsJanusz S. Laskowski, Oun Wang
Life of this patent
Estimating the term…
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.
Claims13
An emulsified flotation composition, adapted to be used in the flotation of ore fractions in aqueous suspension, which consists essentially of:
- (a) water;
- (b) a hydrocarbon extender oil present in an amount from about 0.1% to about 30% by weight of the entire composition;
- (c) a long chain aliphatic amine present in an amount of from about 0.1% to about 30% by weight of extender oil;
- and (d) an acid emulsifier present in an amount of from about 0.1% to about 10% by weight of the entire composition.
Dependencies are inferred from the claim text.