Particulate material suitable for selectively separating metal c
Pelletizing sulfation of anode slimes
Polymeric combinations used as copper and precious metal heap le
Precipitation of metal values from organic media
Preparation of cupric hydroxide
Preparation of highly pure copper oxide from waste etchant
Preparation of manganous chloride solution
Preparation of ultra-pure silver nitrate
Pressure chlorination of refractory gold ores
Pressure oxidation leaching in the presence of an acidic...
Prevention of copper dissolution during cyanidation of gold ores
Procedure to leach copper concentrates, under pressure and...
Process and composition for removing precious metals from...
Process for biolixiviating copper sulfides by indirect contact w
Process for chlorinating metal sulfide materials
Process for cobalt recovery from mixed sulfides
Process for concurrently treating process waste waters and flue
Process for desilvering silver halide processing fluids
Process for detoxification of CCA-treated wood
Process for extracting and recovering copper