Patents Examined by D. John Doll - Justia Patents Search

Patents Examined by D. John Doll

Gold recovery by sulhydric-fatty acid flotation as applied to gold ores/cyanidation tailings

Patent number: 4710361

Abstract: Gold values are obtained from gold cyanidation tailings or gold bearing ores by treating the same with a flotation collector consisting of 5 to 20% xanthate collector and 80 to 95% fatty acid collector of a pulp pH range from 5 to 8.

Type: Grant

Filed: April 2, 1986

Date of Patent: December 1, 1987

Inventor: Antonio M. Ostrea