Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Process for recovering gold and silver from refractory ores

Process for recovering gold and silver from refractory ores

US Patent 7922788 · Granted Apr 12, 2011

Estimated economic value: $386,339,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Separation of copper minerals from pyrite using air-metabisulfite treatment2019
Separation of copper minerals from pyrite using air-metabisulfite treatment2016
Method to improve recovery of gold from double refractory gold ores2012
Process for controlling acid in sulfide pressure oxidation processes2012
Process for reduced alkali consumption in the recovery of silver2012
Process for recovering platinum group metals using reductants2011
Process for mercury control during pressure oxidation2011
Selective precipitation of metal sulfides2011
Thiosulfate generation in situ in precious metal recovery2009
Removal of boron and fluoride from water2001
Flotation and cyanidation process control2001
Removal of boron and fluoride from water2000