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Reduction of Rare Earth Elements Through Electrochemical and Metallothermic Methods
An overview of the reduction of rare earth elements through metallothermic and electrochemical methods is presented. The basic thermodynamic...
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Properties, Compounds, and Complexes of Rare Earth Elements
The rare earth elements comprise Sc, Y, and the lanthanide elements (La–Lu). Their physical properties and physicochemical behaviors are determined...
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High-Performance Aluminum Castings Containing Rare Earth Elements
Cerium(IV) oxide (CeO2) is one of the predominate oxides produced in rare earth mining. Much of it is discarded after separation from the higher...
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Ionic Liquids for the Processing of Rare Earth Elements
Ionic Liquids are room temperature organic molten salts that are being investigated for various metallurgical processing applications. Specifically,...
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Rare Earth Element Reduction to Metals
The reduction to metal of rare earth elements is a complex, energy-intensive, and environmentally damaging process currently undertaken by molten...
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Simultaneous removal of critical rare earth elements and chalcogen oxyanions by anaerobic granular sludge
Conventional mining of economically and strategically important critical rare earth elements (REEs) (such as neodymium, lanthanum and dysprosium),...
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Mesoporous polysilsesquioxane adsorbents with secondary amine groups for ions of metals, rare earth elements, and reactive dye removal
Silica nanoparticles with secondary amine groups were synthesized through silanes hydrolysis with ammonia (sol–gel method). SEM analysis showed that...
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Energy-Related Rare Earth Element Sources
Energy-related materials such as coal, coal-bearing wastes, and coal combustion products are traditionally thought of as sources or by-products of...
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Recovery and separation of rare earth elements by molten salt electrolysis
With the increasing demand of rare earth metals in functional materials, recovery of rare earth elements (REEs) from secondary resources has become...
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Current Efficiency Comparison of Two Types of Rare Earth Electrolytic Cells: Flow Field Numerical Simulation Analysis and Experimental Investigation
To achieve the scale development of rare earth electrolytic cells and to improve their current efficiency and life cycle, a bottom cathode rare earth...
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Rare Earth Oxide Applications in Ceramic Coatings for Turbine Engines
Ceramic coatings containing rare earth oxides (REO) play a critical role in enabling high performance and efficiency in gas turbines used for power...
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Selective Sulfidation for Rare Earth Element Separation
Rare earth metals and compounds are critical components of advanced materials for energy, structural alloys, and transportation. These low-tonnage...
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Rare Earth Ore Flotation Principles and Kinetics: Significance of Collectors and Application of Novel Depressants
The lanthanides are more commonly referred to as rare earth elements (REEs). Approximately 250 rare earth minerals (REMs) are known but vary in their...
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Biocompatible nanoparticles for metals removal from fresh water with potential for rare earth extraction applications
Freshwater contamination by metals can come from a variety of sources and be damaging to wildlife, alter landscapes, and impact human health. Metals...
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The Scavenging Effect of Different Rare-Earth Elements in the Low-Purity Zr50Cu40Al10 Alloy
Glass-forming alloys are very sensitive to oxygen contaminations. Here, the oxygen-scavenging effect of five rare-earth elements (REEs) was studied...
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Application of Rare Earths in Agriculture, Forestry, and Animal Husbandry
In the early 1980s, the author went to Baotou to attend China’s National Rare Earth Conference, and found many small, light-red or light-yellow wild...
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Role of Rare Earths in Non-ferrous Metals and Alloys
The rare earth elements have deoxygenation and desulfurization functions in liquid Fe and in the similar liquid Ni. The question then arises as to...
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Volatile Separation and Recovery of Iridium Using Rare Earth Oxides to Form Complex Oxides for Effective Solubilization
The recycling of Ir as a platinum group metal is critical because of its extremely low production volume. The separation of Ir from Ta was realized via ...
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Rare Earth Invar Alloys, Intermetallic Compounds, and Composite Oxides
Invar alloys are a special class of alloys showing little or no expansivity with temperature in the normal working range. The term “Invar” originated...
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Tunability of physical properties of NiO by the introduction of rare earth metal (Y, Ho) dual do** for natural sunlight-driven photocatalysis
This work investigates the structural and optical features of Y/Ho-doped NiO nanoparticles fabricated through sol–gel technique and validates their...
