Search U.S. government technical reports digitized or harvested by TRAIL.
Pressure leaching alumina from raw kaolinitic clay using hydrochloric acid
Electrolytic reduction of cobalt in ammoniacal leach solutions
Cobalt recovery from copper leach solutions
Chlorine-oxygen leaching of a low-grade zinc sulfide flotation concentrate
Hot acid leaching of vanadium from western phosphate beneficiation tailings
Removal of magnesia from dolomitic southern Florida phosphate concentrates by aqueous SO₂ leaching
Hydrochloric acid-oxygen leaching and metal recovery from copper-nickel bulk sulfide concentrate
Recovery of lithium from a montmorillonite-type clay
Influence of chelating reagents on leaching of copper ore
Defluorination of byproduct zinc concentrates
Hydrometallurgical process for producing lead and elemental sulfur from galena concentrates
Calcium chloride-oxygen leaching and metals recovery from an arsenical copper-cobalt concentrate
Recovery of mercury from concentrates by cupric chloride leaching and aqueous electrolysis
Preparation of titanium feedstock from Minnesota ilmenite by smelting and sulfation-leaching
Silver-catalyzed oxidative leaching of an arsenical copper sulfide concentrate
Cobalt and nickel from lead-smelter matte :purification of leach liquor
Leaching of phosphate values from two central Florida ores using H₂SO₄-methanol mixtures
Leaching of domestic manganese ores with dissolved SO₂
Recovery of cobalt from spent copper leach solution using continuous ion exchange
Leaching gold-silver ores with sodium cyanide and thiourea under comparable conditions
Metal recovery from secondary copper converter dust by ammoniacal carbonate leaching
Na₂CrO₄ from domestic chromite concentrates by an alkali-fusion method
Recovery of lead and silver from plumbojarosite by hydrothermal sulfidation and chloride leaching
Alkaline oxidative leaching of gold-bearing arsenopyrite ores
Recovery of principal metal values from waste hydroprocessing catalysts
Alumina recovery from copper dump leaching liquors using a supported liquid membrane
Tungsten and gold recovery from Alaskan scheelite-bearing ores
Pressure leaching of galena concentrates to recover lead metal and elemental sulfur
Leaching of pyroxmangite ore with calcium fluoride and sulfuric acid
Effect of nonionic surfactants on chalcopyrite leaching under dump chemical conditions
CaF₂-enhanced HCl leaching of a manganese-bearing silicate ore
Method for recovering anhydrous ZnCl₂ from aqueous solutions
Leaching sulfidation-partitioned chalcopyrite to selectively recover copper
Effect of nonionic surfactants on chalcopyrite leaching under dump chemical conditions.
Recovery of manganese from steel plant slag by carbamate leaching