Search
Search U.S. government technical reports digitized or harvested by TRAIL.
Keyword Search
27 results returnedSearch results
- Acid leaching of oxidized copper ores by downward percolation
- Bacteria in mining and metallurgy :leaching selected ores and minerals ; experiments with thiobacillus thiooxidans
- 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
- Resource investigation and leaching study of manganiferous schists, Kings Mountain district, North and South Carolina
- 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
- Ammoniacal-ammonium carbonate leaching of manganiferous materials from the southern district, Aroostook County, Maine
- 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
- Experimental caustic leaching of oxidized zinc ores and minerals and the recovery of zinc from leach solutions
- Extraction of manganese from Georgia umber ore by a sulfuric acid-ferrous sulfate process (in two parts).
- Copper extraction from a low-grade ore by ferrobacillus ferrooxidans :effect of environmental and nutritional factors
- Oxidation leaching of copper sulfides in ammoniacal pulps at elevated temperatures and pressures
- Recovery of manganese sulfate crystals from solution by submerged combustion evaporation and by thermal crystallization
- Extraction of alumina by leaching melted and quenched anorthosite in sulfuric acid
- Three chemosynthetic autotrophic bacteria important to leaching operations at Arizona copper mines
- An Evaluation of an ammonium sulfate leaching process for recovering manganese from Minnesota and Maine resources
- Experimental leaching of gold from mine waste