Cover -- Title Page -- Copyright Page -- Table of Contents -- Preface -- About the Editors -- Session Chairs -- Metalloids and Rare Extraction Process -- Adsorptive Recovery of Antimony (III, V) Using Metal-loaded Orange Juice Residue -- Abstract -- Introduction -- Experimental -- Results and Discussion -- Effect of pH -- Adsorption isotherms -- Effect of coexisting anions -- Elution of adsorbed antimony -- Selective recovery of antimony by sulfide precipitation method -- Recovery test of antimony from actual waste solution -- Conclusion -- References -- The Synthesis and Stability of Yukonite: Implications in Solid Arsenical Waste Storage -- Abstract -- Introduction -- Methods and Results -- Synthesis -- Characterization -- Stability -- Conclusions -- Acknowledgements -- References -- The Evolving Copper-Tellurium Byproduct System: A Review of Changing Production Techniques & Their Implications -- Abstract -- Introduction -- Copper Extraction & Processing Techniques -- A Changing Global Production Mix -- Implications of Copper Trends for Tellurium Supplies -- Byproduct Intensity (BPI) -- Tellurium: Yield, Extraction & Processing Techniques -- Conclusions -- References -- Conversion of Strontium Sulfate to Strontium Oxalate in Solutions Containing Ammonium Oxalate as a Reactant -- Abstract -- Introduction -- Materials and Method -- Results and Discussion -- Characterization of The Celestite Concentrate -- The Effects of Stirring Speed -- The Effects of Temperature and Ammonium Oxalate Concentration -- The Effect Of Particle Size -- Conclusions -- References -- Electrodeposition of Zinc from Zinc Oxide Using Urea and Choline Chloride Mixture: Effect of (BMIM)HSO4, Temperature, Voltage on Current Efficiency, Energy Consumption, and Surface Morphology -- Abstract -- Introduction -- Experimental Procedure.

1. Preparation of ionic liquid and materials -- 2. Electrodeposition set-up -- 3. Characterization of the deposits on the substrate -- 1. Effect of additives -- 2. Effect of temperature -- 3. Effect of applied voltage -- Conclusions -- Acknowledgements -- References -- Effect of Physical Parameters on the Stirred Separation Process in Rare Earth Extraction System -- Abstract -- Introduction -- Experimental Conditions -- Main Factors of Dimensional Analysis -- Establishment of Dimensionless Equation -- Verification of Dimensionless Equation -- Conclusions -- Acknowledgement -- References -- Slurry Electrolysis of As-Rich Antimonic Gold Concentrate Ores -- Abstract -- Introduction -- Laboratory tests -- Effect of electrolysis electric quantity -- Effect of leaching temperature -- Effect of leaching duration -- Comprehensive tests -- Semi-pilot tests -- Pilot tests -- Conclusions -- References -- Indium, Moly, and Tungsten Metallurgy -- Recovery of Rare Metal Indium (In) from Discarded LCD Monitors -- Abstract -- Introduction -- Experimental -- Materials and sample preparation -- Method -- Result and discussions -- Chemical analysis of crushed LCD monitor -- Selection of leachant -- Effect of acid concentration and time -- Effect of temperature -- Conclusion -- Acknowledgement -- References -- Thermodynamics of Indium Dissolution Behavior in FeO-bearing Metallurgical Slag -- Abstract -- Introduction -- Experimental -- Results & Discussion -- Influence of Oxygen Partial Pressure on Indium Dissolution -- Relationship between the Indium Solubility and the Activity of Basic Oxide -- Temperature Dependence of Indium Solubility -- Conclusions -- References -- The Separation of Tungsten and Molybdenum by Ion Exchange Resins -- Abstract -- 1. Introduction -- 2. Experimental -- 2.1 Materials -- 2.2 Ion Exchange Process -- 3. Results and discussion.

3.1 Experimental Principle -- 3.2. Batch Loading Experiments -- 3.3 Batch Desorption Experiments -- 3.4 Column Testing for The Separation of Molybdenum and Tungsten -- 4. Conclusion -- Acknowledgements -- References -- Removal of Na from the Ammonium Tungstate Solution by Na1+xAlxTi2-x(PO4)3 -- Abstract -- 1. Introduction -- 2. Experimental -- 2.1 Preparation of Na ion-exchange reagent -- 2.2 Na removing from ammonium tungstate solution -- 3. Results and Discussion -- 3.1 Effect of amount of ion-exchange reagent on Na removal -- 3.2 Effect of reaction time on Na removal -- 3.3 Effect of reaction temperature on Na removal -- 3.4 Effect of Na concentration on Na removal -- 3.5 Evaporation-crystallization of APT after Na removal -- 4. Conclusion -- Acknowledgments -- References -- Removal of Sn from the Tungstate Solution by Nascent Hydrous Ferric Oxide -- Abstract -- 1. Introduction -- 2. Experimental -- 3. Results and Discussion -- 3.1 Effect of pH on Sn removal -- 3.2 Effect of absorbent addition on Sn removal -- 3.3 Effect of reaction temperature on Sn removal -- 3.4 Effect of reaction time on Sn removal -- 3.5 Sn removal from ammonium tungstate solution -- 5. Conclusions -- Acknowledgments -- References -- Pressure Water Leaching Molybdenum and Nickel from Mo-Ni Ore of Black Shale without Reagent -- Abstract -- 1. Introduction -- 2. Experimental -- 2.1. Materials -- 2.2. Experimental procedure -- 2.3. Analytical methods -- 3. Results and discussion -- 3.1. Characterization of the Mo-Ni ore -- 3.2 Effect of initial sulfuric acid concentration on extraction of molybdenum and nickel -- 3.3 Effect of leaching time on extraction of molybdenum and nickel -- 3.4 Effect of leaching temperature on extraction of molybdenum and nickel -- 3.5 Effect of liquid-to-solid ratio on extraction of molybdenum and nickel.

3.6 Characterization of the acid leach residue -- 3.7 Phase changes during oxygen pressure leaching -- 4. Conclusions -- Acknowledgments -- References -- Calcium and Rare Earth Metallurgy -- Calcium Reductants - A Historical Review -- Abstract -- Introduction -- Major Calcium Reductants-Production -- Production of Calcium Metal -- Price of Metallic Calcium -- Calcium Metal Producers & Market -- Calcium Metal Products and Uses -- Calcium Use in Titanium Production -- References -- Research on the Electrochemical Behavior of CaO in CaCl2-CaF2 System in Preparation of Al-Ca Alloys by Fused Salt Electrolysis -- Abstract -- Introduction -- Experiment -- Experimental apparatus and agents -- Experimental Process -- Results and discussions -- Back electromotive force in CaCl2-CaF2-CaO -- Diagram of CaCl2-CaF2 system potentials sweep -- Effect of CaO addition on the electrode process -- Conclusion -- Acknowledgements -- Reference -- Recovery of Rare Earth Metals (REMs) from Primary and Secondary Resources: A Review -- Abstract -- Introduction -- Recovery of REEs from primary resources -- Bastnasite -- Monazite -- Recovery of rare earth metals from secondary resources -- From Hard Disk Drives (HDDs) of Computers -- Rare earth recovery from fluorescent lamps -- Recovery of rare earth metals from nickel hydride batteries, glass polishing powders and optical glasses -- Conclusion -- Acknowledgement -- References -- Mutual Separation of Rare Earths Using Chemically Modified Chitosan Immobilized with Functional Groups of Chelating Agents -- Abstract -- Introduction -- Experimental -- Preparation of EDTA- and DTPA-chitosan -- Methods of batch wise and column adsorption study -- Results and Discussion -- Adsorption characteristics of rare earth ions on EDTA- and DTPA-type chitosan [5,7].

Mutual separation of rare earth ions by means of dynamic adsorption operation using a column packed with EDTA-type or DTPA-type chitosan [7] -- Conclusion -- References -- Electrochemistry for Nd Electrowinning from Fluoride-oxide Molten Salts -- Abstract -- Introduction -- Experiments -- Results and discussion -- Anodic processes: cyclic voltammetry -- Anodic processes: chronoamperometry -- Cathodic processes: cyclic voltammetry -- Conclusions -- Acknowledgements -- References -- Recovery of Rare Earth Metals from Wasted Magnet -- Abstract -- Introduction -- Experimental -- Results and Discussion -- Conclusions -- Reference -- Environment-Friendly Recycling Process for Rare Earth Metals in End-of-Life Electric Products -- Abstract -- Introduction -- Experimental -- 1. Equipments -- 2. Materials -- Results and discussion -- Disassembly of electric products -- Removal of surface plating on magnets -- Pyrometallurgical recovery of rare earth metals -- Semi-industrial scale processing -- Conclusion -- Acknowledgement -- Reference -- Assessment of Environmental Impact of Rare Earth Metals Recycling from Used Magnets -- Abstract -- Introduction -- Method -- Process flow definition (Step 1) -- Investigation of inventory data (Step 2, 3) -- Collection of specific consumption (Step 4) -- Quantification of environmental impact -- Result and discussion -- CO2 emission evaluation -- Environmental impact evaluation -- Problems of pyometallurgical process -- Conclusion -- Acknowledgement -- References -- Titanium, Lithium, Yttrium, and Zirconium -- A Clean Titanium Sponge Production Process and New Method for the Recycling of Magnesium and Chlorine -- Abstract -- Introduction -- A Clean Titanium Sponge Production Process and the New Cycle Technology for Magnesium and Chlorine -- Analysis of Energy Consumption and Economic Benefits -- Conclusions -- References.

Acknowledgement.