Copper Recovery from Chalcopyrite by a Roast-leach Procedure

Reduction of Tetravalent Cerium and Its Application to Stripping from Tri-n-butyl Phosphate

Extraction and Separation of Selected Lanthanides with a Tertiary Amine

Development of Equipment and Process for Extracting Cerium (IV)

Foam Concentration of Scandium

Evaluation of Technology for the Recovery of Metallurgical-grade Alumina from Coal Ash

Naphthenic Acid Solvent Extraction of Rare-earth Sulphates

Recovering Lithium Chloride from a Geothermal Brine

Recovery of Cerium and Lanthanum by Ozonation of Lanthanide Solutions

Liquid-liquid Extraction of Cerium

Recovery of Cerium and Lanthanum by Ozonation of Lanthanide Solutions

Recovery and Separation of Rare-earth Elements, Barium, and Strontium from Bastnäsite with Sulfuric Acid

Extraction and Separation of Rare-earth Elements and Yttrium with Dodecyl Phosphoric Acid-kerosine Solvent: Issues 6601-6604

Operation of a Mineral Recovery Unit on Brine from the Salton Sea Known Geothermal Resource Area

Differential Extraction of Rare-earth Elements in Quaternary Ammonium Compound-chelating Agent Systems

Recovering Zinc-lead Sulfide from a Geothermal Brine

Metathesis of Bastnasite and Solvent Extraction of Cerium

Extraction and Separation of Rare-earth Elements in Idaho Euxenite Concentrate

Yttrium Behavior in Rare-earth-amine Extraction Systems and Effect of Sequestrants

Recovery of Alumina from Anorthosite by an HC1-F-gas Sparging Crystallization Process: Issues 8806-8818