Cyanide tailings are industrial hazardous solid wastes arising from gold mining industry.
Hundreds of millions of tons of cyanide tailings that contain highly toxic cyanides and …

As the volume of e-waste continues to rise, it is crucial to sustainably manage printed circuit
boards (PCBs) and their valuable metal components. PCBs are ubiquitous in modern …

A novel eco-friendly synthetic gold lixiviant (Jinchan) was used to recover gold from gold
ores. Ultrasound was used to improve gold leaching efficiency and recovery percentage …

Hydrometallurgy is the main method to regenerate valuable metals from electroplating
sludge and reduce its environmental hazards. As a key step to efficiently recover metals, it is …

A study involving the leaching of Cu and Co from a Cusingle bondCo ore in sulfuric acid (H
2 SO 4), citric acid (CA) and oxalic acid (OA) using hydrogen peroxide (H 2 O 2) as oxidant …

Thiocyanate (SCN–) is a promising alternative to cyanide as a lixiviant for gold extraction
and is 1000 times less toxic than cyanide. In this study, the following leaching parameters …

The ever-increasing demand for ferrochrome alloys has resulted in a substantial
accumulation of ferrochrome slag by-products in many mining areas. On the other hand, the …

The current paper introduces for the very first time recently invented electrodeposition-redox
replacement (EDRR) method in continuous leaching-recovery-solution purification process …

Refractory sulphidic ore with gold captured in pyrite has motivated researchers to find
efficient means to break down pyrite to make gold accessible and, ultimately, improve gold …

Gold tailings are secondary resources, however, a suitable method to extract the remaining
gold has not yet been found. Thus, this study investigated that a gold tailings was pretreated …