Search
Search U.S. government technical reports digitized or harvested by TRAIL.
Keyword Search
34 results returnedSearch results
- Separation of rare-earth elements in bastnasite by ion exchange
- Technology of bastnasite
- Effect of temperature in ion-exchange separation of rare-earth elements and recovery of EDTA from effluent solutions
- Hydrogen as a retaining ion for rare-earth separation by ion exchange with EDTA and DCTA
- Naphthenic acid solvent extraction of rare-earth sulphates
- Extraction of euxenite metal values by fusion with ammonium sulfate or ammonium bisulfate
- Investigation of oxidation systems for improving gold recovery from carbonaceous materials
- Extraction behavior of cerium-group lanthanides in a primary amine-chelating agent system
- Recovery of cerium and lanthanum by ozonation of lanthanide solutions
- Amino acids as retaining agents for separation of rare-earth elements on ion-exchange resin
- Electrolytic oxidation of carbonaceous ores for improving gold recovery
- Electrolytic oxidation of cinnabar ores for mercury recovery
- Oxidation process for improving gold recovery from carbon-bearing gold ores
- Differential extraction of rare-earth elements in quaternary ammonium compound-chelating agent systems
- Recovery of silver and mercury from mill tailings by electrooxidation
- Extraction of molybdenum from ores by electrooxidation
- Extraction process for upgrading Sm₂O₃ using selective stripping techniques / by D.J. Bauer, L.E. Schultze, and R.E. Lindstrom.
- Extraction of gold from carbonaceous ores :pilot plant studies
- Recovery of mercury from cinnabar ores by electrooxidation
- Copper recovery from chalcopyrite by a roast-leach procedure
- Extraction of silver from refractory ores
- Extraction of molybdenum and rhenium from concentrates by electrooxidation
- Reduction of tetravalent cerium and its application to stripping from tri-©œn-butyl phosphate
- Lead-zinc extraction from concentrates by electrolytic oxidation
- Recovery and separation of molybdenum and rhenium from a process solution
- Recovery of mercury from cinnabar ores by electrooxidation :extraction plant amenability tests
- Extraction and recovery of molybdenum and rhenium from molybdenite concentrates by electrooxidation :process demonstration
- Processing gold ores using heap leach-carbon adsorption methods
- Copper and silver recovery from a sulfide concentrate by ferrous chloride-oxygen leaching
- Prototype commercial electrooxidation cell for the recovery of molybdenum and rhenium from molybdenite concentrates
- Enhancing percolation rates in heap leaching of gold-silver ores
- Recovery of silver from chloride leach solutions by iodide precipitation
- Recovery of gold from arsenopyrite concentrates by cyanidation-carbon adsorption
- The effects of sodium chloride leach solution additive on simulated in situ leaching of a chalcopyrite ore