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Temperature variation of V-bearing stone coal during decarbonization roasting and effect of roasting conditions
V-bearing stone coal is an important vanadium resource with huge reserves in China. For stone coal with high carbon content, the decarbonization...
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Recovery of lead and silver from zinc acid-leaching residue via a sulfation roasting and oxygen-rich chlorination leaching method
A large amount of acid-leaching residue is produced during the conventional Zn hydrometallurgy process, and this residue has a large concentration of...
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Molybdenite Concentrate Purification by a Continuous Sulfation-Leaching Process
Purification of molybdenite concentrate from copper concentrates was performed by sulfation. The sulfation of molybdenite concentrates was carried...
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Extraction of Copper from Copper-Bearing Materials by Sulfation Roasting with SO2-O2 Gas
Recycling metals from secondary materials and more complex ores has recently been attracting more attention, creating a need for more precise...
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Extraction efficiency of metals from low-nickel matte via NH4Cl roasting-water leaching process and synthesis of (Ni,Cu,Co)Fe2O4 photocatalyst
Aiming at high energy consumption and large Co loss in the pyrometallurgy of low-nickel matte, a process of NH 4 Cl roasting-water leaching was...
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Reaction behavior of silicon-rich diasporic bauxite with ammonium sulfate during roasting
The separation of Al from the silicon-rich diasporic bauxite is of great significance in alumina production. Herein, we proposed a low-temperature...
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Recovery of Scandium from Bauxite Residue by Selective Sulfation Roasting with Concentrated Sulfuric Acid and Leaching
The recovery of scandium from bauxite residue was studied by selective sulfation roasting and water leaching. The sulfation roasting process of...
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Direct Extraction of Nickel and Copper from Low-Grade Nickel Sulfide Ore by Chlorination Roasting with Mixed MgCl2·6H2O and NaCl
A new extraction technology of chlorination roasting with a mixture of MgCl 2 ·6H 2 O and NaCl was investigated to co-extract nickel and copper from...
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Sulfation Roasting Mechanism for Spent Lithium-Ion Battery Metal Oxides Under SO2-O2-Ar Atmosphere
Sulfation roasting followed by water leaching has been proposed as an alternative route for recycling valuable metals from spent lithium-ion...
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Atmospheric Leaching Behavior and Kinetics Study of Roasted Laterite Ore
Laterite ore is a valuable resource due to its high content of metals essential for modern technology, including nickel, iron, and cobalt. However,...
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Sustainable Utilization of GCP Sludge as a Reductant in the Reduction Roasting of Low-Grade Manganese Ore to Recover Mn and Fe Values
Utilization of low-grade manganese ore adopting the carbothermic reduction roasting process is a proven method to produce high-grade manganese ore....
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A Sustainable Method for Ti, Al and Mg Recovery from Titanium-Bearing Blast Furnace Slag Coupled with CO2 Sequestration by Leaching Residue
A sustainable method for Ti, Al, and Mg recovery from titanium-bearing blast furnace slag (TBBFS) coupled with CO 2 sequestration by leaching residue...
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Recovery of valuable metals from copper slag
The copper smelting process produces plenty of copper slag every year, which is a hazardous solid waste, but a secondary resource. In the present...
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Simultaneous Extraction of Fe, Al, Sc and Cr from Red Mud by Ammonium Sulfate Calcination in the Range 250–400°C
Red mud is a strong alkaline waste from the Bayer process for Al production, which is known as a promising polymetallic secondary resource. The...
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Sulfoaluminate Cement and Low-Temperature Roasting Additive from Low Aluminate Raw Materials with a High Content of Silicon Oxide
The preparation of sulfoaluminate clinkers from low-aluminate natural and technogenic raw materials that are substandard for the production of...
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TiO2/SO42− Solid Superacid Catalyst Prepared by Recovered TiO2 from Waste SCR and Its Application in Transesterification of Ethyl Acetate with n-butanol
In this contribution, the recovered TiO 2 from waste Selective Catalytic Reduction (SCR) was transformed into a solid superacid catalyst (TiO 2 /SO 4 2− )...
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Selective Vanadium Separation from V-Bearing Roasted Ore
In this study, a cleaner process of water leaching was proposed to extract vanadium from V-bearing roasted ore with V 2 O 5 content of 1.06 wt.%, and...
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