Recuperation of cyanides from rinsing solutions of cyanidric pro
Reduction leaching of raw sea nodules with sulfides
Reduction of lime consumption when treating refractor gold...
Reduction of lime consumption when treating refractory gold...
Reduction roasting of metal ores
Refining of manganese oxide ores
Regeneration of cupric etchants and recovery of copper sulfate
Removal of base metals and cyanide from gold-barren CIP solution
Removal of dissolved cadmium and copper from sulphate solution w
Removal of iron from aqueous acid solutions containing iron and
Removal of metals from waste materials that contain bimetallic s
Removal of selenium (IV) and (VI) from acidic copper sulphate so
Removal of selenium from acidic copper/nickel solutions
Removing anions from alkaline silicate solutions
Reoximation of metal extraction circuit organics
Scale control in gold and silver mining heap leach and mill wate
Scrubbing of ammonia from oxime liquid ion exchange reagents
Selective extraction and recovery of copper
Selective imidazole ion exchange resins
Selective leaching of chloride from copper oxide minerals