Toxic heavy metals create several hazardous impacts on the environment and human lives.
Certain heavy metals like Hg, As, Pb, Cr, Cd, Zn, Co, Ni, and many others have been …

Waste electrical and electronic equipment or e-waste has recently emerged as a significant
global concern. This waste contains various valuable metals, and via recycling, it could …

Excessive chemical consumption and its concomitant secondary pollution have become
persistent issues in the wet chemical recycling process of spent LiFePO 4 batteries (sLFP) …

An anion-exchange-based chromatographic separation approach was developed to
selectively recover zinc and copper from the high-chlorine raffinate generated in the process …

The growing demand for valuable metals in recent decades has heightened the economic
significance of extracting them from dilute solutions. This research carefully assesses the …

pH adjustment was considered a simple step in the hydrometallurgy process, but its
complicated operation was ignored in the past. In some industrial applications, the leachate …

Aiming at the problems of high energy consumption and low metal recovery in traditional
smelting of nickel concentrate, a novel process, namely NH4HSO4 roasting followed by …

In this work, NaCl was used to synchronously extract metal from a low-grade nickel sulfide
concentrate. Optimized process parameters were determined as follows: particle size 80–96 …

The extraction of copper from sulfate leaching liquor was investigated using Acorga M5640
commercial extractant in kerosene diluent. The effects of important factors such as the …

In this study the extractive capability of Mextral 5640H was investigated for extraction of
copper from a heap leach liquor. In this regard, the influence of parameters such as pH (0.2 …