Patent ID: 9266120
Filing Date: 2016-02-23
CPC Classification: B03D

Claim Text:
1. A method of enhancing the performance of a collector in a froth flotation separation of slurry in a medium, the method comprising the steps of: blending a stable microemulsion, the medium, fines , and optionally other additives, and removing concentrate from the slurry by sparging the slurry wherein the microemulsion comprises a continuous phase which is a carrier fluid and a dispersed phase, the microemulsion as a whole by weight is made up of: 1-99% water, 1-50% active collector, 1-25% fatty acid, 1-30% 2-butoxy ethanol, 1-25% alcohol blend waste stream derived from the production of 2-ethyl hexanol, and 1-10% potassium hydroxide.