-
Article
Selective lithium recovery from black powder of spent lithium-ion batteries via sulfation reaction: phase conversion and impurities influence
The aim of this study is to present a new understanding for the selective lithium recovery from spent lithium-ion batteries (LIBs) via sulfation roasting. The composition of roasting products and reaction beha...
-
Article
Recovery and regeneration of LiFePO4 from spent lithium-ion batteries via a novel pretreatment process
The recycling of spent LiFePO4 batteries has received extensive attention due to its environmental impact and economic benefit. In the pretreatment process of spent LiFePO4 batteries, the separation of active mat...
-
Article
Electrochemical behavior and corrosion resistance of IrO2-ZrO2 binary oxide coatings for promoting oxygen evolution in sulfuric acid solution
In this study, we prepared Ti/IrO2-ZrO2 electrodes with different ZrO2 contents using zirconium-n-butoxide (C16H36O4Zr) and chloroiridic acid (H2IrCl6) via a sol-gel route. To explore the effect of ZrO2 content o...
-
Article
Deep cleaning of a metallurgical zinc leaching residue and recovery of valuable metals
Huge quantities of zinc leaching residues (ZLRs) generated from zinc production are dumped continuously around the world and pose a potential environmental threat because of their considerable amounts of entra...
-
Article
Open AccessRecovery of iron from copper tailings via low-temperature direct reduction and magnetic separation: process optimization and mineralogical study
Currently, the majority of copper tailings are not effectively developed. Worldwide, large amounts of copper tailings generated from copper production are continuously dumped, posing a potential environmental ...
-
Article
Open AccessTwo-stage reduction for the preparation of ferronickel alloy from nickel laterite ore with low Co and high MgO contents
The preparation of ferronickel alloy from the nickel laterite ore with low Co and high MgO contents was studied by using a pre-reduction–smelting method. The effects of reduction time, calcination temperature,...