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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

Extraction of alumina from high-iron bauxites :pilot-plant tests employing the lime-soda sinter process

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

Development of a chloride volatilization process for manganese ores from Aroostook County, Maine :progress report

Percolation leaching of manganese ores with sulfur dioxide

Caustic leaching of manganese flotation concentrate from Artillery Peak, Ariz.

Acid-ferrous sulfate leaching of low-grade manganese carbonate and oxide ores, Cuyuna range, Minnesota

Operation of a dithionate-process pilot plant for leaching manganese ore from Maggie Canyon deposit, Artillery Mountains region, Mohave County, Ariz.

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

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

Extraction of manganese from Georgia umber ores by a sulfuric acid-ferrous sulfate process (in two parts).

Evaluation of the sulfatization-reduction process for recovering manganese and iron oxide pellets

Simulated in situ leaching of copper from a porphyry ore


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