Search U.S. government technical reports digitized or harvested by TRAIL.
Leaching iron ores for phosphorus
Leaching copper ores :advantages of wet-charging
Method and costs of treatment at the Calumet & Hecla reclamation plant
Factors involved in the heap leaching of copper ores
Preparation of manganese electrolyte from manganese mattes and pure oxides
Sulfur dioxide leaching tests on various western manganese ores
Laboratory tests on percolation leaching of silica from bauxites
A process for the recovery of gold from activated carbon by leaching and electrolysis
Formation of dithionate and sulfate in the oxidation of sulfur dioxide by manganese dioxide and air
Percolation leaching of manganese ores with sulfur dioxide
Caustic leaching of manganese flotation concentrate from Artillery Peak, Ariz.
Acid leaching of oxidized copper ores by downward percolation
Caustic sulfide leaching of mercury products
Copper recovery from segregation-flotation concentrates by ammoniacal-ammonium carbonate leaching
Bacterial leaching of manganese ores
The desilication of caustic leach liquors containing alumina
Recovery of zinc from ammoniacal-ammonium sulfate leach solutions
Leaching Michigan copper ore and mill tailings with acidified ferric sulfate
Radioactivity in alkaline leach milling processes
Oxidation leaching of copper sulfides in acidic pulps at elevated temperatures and pressures
Acid leaching of beryllium ore from Spor Mountain, Utah
Extraction of alumina from ferruginous bauxite by a double-leach process
Cost estimates and optimum conditions for continuous-circuit leaching of mercury
Metallurgical studies of rhodonite ores, Silverton district, Colorado :(In three parts).
Alkaline leach processing of a subgrade calcareous uranium ore
Leaching copper sulfide minerals with selected autotrophic bacteria
Oxidation leaching of copper sulfides in ammoniacal pulps at elevated temperatures and pressures
Extraction of alumina by leaching melted and quenched anorthosite in sulfuric acid
Three chemosynthetic autotrophic bacteria important to leaching operations at Arizona copper mines
Experimental leaching of gold from mine waste
Autoclave and ambient pressure leaching of Lake Superior manganiferous ores
Tritiated water as a tracer in the dump leaching of copper
Laboratory evaluation of some factors in cyaniding gold placers
Recovery of cadmium and nickel from scrap batteries
Improved cupric ammonium carbonate leaching of copper scrap
Evaluation of the sulfatization-reduction process for recovering manganese and iron oxide pellets