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NdFeB Magnets Recycling via High-Pressure Selective Leaching and the Impurities Behaviors
Global concerns about climate change are driving increased demand of electric vehicles for sustainable transportation and turbines in emerging energy...
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Iron Removal from Bauxite by Oxalic Acid and Further Al Extraction by High-Pressure Alkali Leaching
Aluminum production from bauxite is achieved with the Bayer process, which is a hydrometallurgical method. However, in the Bayer process, in time, it...
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Research on Separation and Extraction of Valuable Metals from Complex Non-ferrous Metals Resources by High Pressure Oxygen Leaching Methodology: A Review
To systematically discuss how to realize the high efficiency utilization of the complex non-ferrous metals resources with the high pressure oxygen...
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Leaching Behavior of Scandium from Limonitic Laterite Ores Under Sulfation Roasting–Water Leaching
In the present study, the leaching behavior of scandium from limonitic laterites under sulfation roasting–water leaching (SAL) was explored. The...
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Closed-loop recycling of lithium iron phosphate cathodic powders via citric acid leaching
Lithium recovery from Lithium-ion batteries requires hydrometallurgy but up-to-date technologies aren’t economically viable for...
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Selective Recovery of Valuable Metals (Se, Te, Cu) from the Selenium Distillation Residue by Sulfuric Acid Oxidative Leaching
Selenium distillation residue (SDR), inevitably generated in the treatment of refining selenium by vacuum distillation of crude selenium, is a kind...
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Recycling of Spent LiFePO4 Battery by Iron Sulfate Roasting-Leaching Method
Valuable metals have been efficiently recovered from spent lithium iron phosphate batteries by employing a process involving via iron sulfate...
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A Study on the Selective Leaching of Valuable Metals and the Configuration of Iron Silicon Phases in Copper Smelting Slag by Oxidative Pressure Leaching
In this research, copper smelting slag was processed under a pressurized oxygen atmosphere and low acidity conditions to achieve the selective...
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Vanadium Leaching Kinetics from Calcification-Roasted Vanadium Slag in Ammonium Carbonate
Ammonium carbonate leaching method is a new selective vanadium leaching method. Studying the leaching kinetics of vanadium in ammonium carbonate...
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A Kinetic Study on the Leaching of Scheelite Sulfuric Acid Decomposition Residue with Hydrogen Peroxide
The sulfuric acid decomposition method of scheelite can solve the problems existing in the traditional alkali (NaOH) method of tungsten smelting....
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Extraction of Rare Earth Metals from NiMH Battery Scrap via Selective Sulfation Roasting
Controlled recycling of battery scrap to recover valuable metals has become essential nowadays not only to fulfill the demand for critical raw...
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Greener and Sustainable Production: Production of Industrial Zinc (II) Acetate Solution and Recovery of Some Metals (Zn, Pb, Ag) from Zinc Plant Residue by Ultrasound-Assisted Leaching
Zinc plant residue (ZPR) contains significant amounts of valuable metal (Zn, Pb, Ag, etc.) compounds, as well as various heavy metals and harmful...
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Efficient Extraction of Ta and Nb from a Coltan Ore Through Alkaline Roasting, Water Leaching, Precipitation, and Oxalic Acid Leaching
Current industrial processes of tantalum (Ta) and niobium (Nb) extraction from primary resources rely in majority on hydrofluoric (HF) acid leaching,...
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Oxidative Acidic Leaching of Ferronickel Slag for Sustainable Metals Recovery and Liability Reduction
Pyrometallurgical processing of lateritic ore produces huge amounts of ferronickel slags, which may contain valuable metals. This paper describes a...
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Selective Separation and Recovery of Tellurium from Copper Anode Slime Using Acidic Leaching and Precipitation with Cuprous Ion
Tellurium is a critical metalloid element that is majorly produced from copper anode slime and is widely consumed in solar energy systems. In this...
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Mineralogical Characteristics and Oxygen Pressure Acid Leaching of Low-Grade Polymetallic Complex Chalcopyrite
The aim of present article is to explore a method for efficient selective separation and extraction of valuable components in low-grade polymetallic...
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A Method to Extract Vanadium from HIsmelt Reduction Slag: In Situ Sodium Salt Oxidation and Alkali Leaching
The HIsmelt smelting reduction process is an efficient direct reduction process for smelting vanadium titanomagnetite ores. About 80% vanadium is...
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Leaching Behaviors of Lithium-Rich Bauxite Flotation Tailings in Sodium Bicarbonate Solution
Multi-channel exploitation and utilization of lithium-bearing resources may be the future sustainable development trend of the lithium industry....
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A Review on the Research of Hydrometallurgical Leaching of Low-Grade Complex Chalcopyrite
Chalcopyrite is the main mineral source of copper ore for extracting and producing copper. However, with the continuous mining of copper ore, the...
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Behavior and Kinetics of Copper During Oxygen Pressure Leaching of Complex Chalcopyrite Without Acid
In this paper, a novel process leaching complex chalcopyrite without acid under oxygen pressure is proposed, and the leaching behavior and kinetic...
