Selective separation of metals from wastewater using sulfide precipitation: A critical review in agents, operational factors and particle aggregation

X Zhang, L Zeng, Y Wang, J Tian, J Wang… - Journal of …, 2023 - Elsevier
Extensive research has been conducted on the separation and recovery of heavy metals
from wastewater through the targeted precipitation of metal sulfides. It is necessary to …

A review of arsenic reaction behavior in copper smelting process and its disposal techniques

Q Li, B Li, X Yan, Q Wang, S Li, H Liu… - Journal of Central South …, 2023 - Springer
As one of the five major toxic elements, the health threat of arsenic to organisms and
ecological environment has attracted serious public attention. As one of the important …

Eco-friendly treatment of copper smelting flue dust for recovering multiple heavy metals with economic and environmental benefits

J Che, W Zhang, KM Deen, C Wang - Journal of Hazardous Materials, 2024 - Elsevier
Handling flue dust in an environmentally friendly manner has become an urgent task for
pollution prevention in the copper industry. Here, driven by the low-carbon notion, we report …

A shortcut approach for cooperative disposal of flue dust and waste acid from copper smelting: Decontamination of arsenic-bearing waste and recovery of metals

J Che, W Zhang, B Ma, Y Chen, L Wang… - Science of The Total …, 2022 - Elsevier
Abstract Recovering harmful elements (As, Pb) and metals (Cu, Bi, Zn) from copper smelting
flue dust (CSFD) is a critical subject and task for arsenic contamination control and resource …

An environmentally benign and sustainable process for carbon recovery and efficient defluorination of spent carbon cathode

Y Li, H Cheng, P Gong, Y Kai, Z Tian, Y Lai - Transactions of Nonferrous …, 2022 - Elsevier
A systematic and green low-temperature sulfation roasting—water leaching strategy was put
forward to achieve a very high fluorine removal rate of 97.82% for spent carbon cathode …

Mechanism and kinetics of ultrasound enhanced removal of arsenic from high alkali leaching solution for alkali recovery

Y Chen, D Xiang, M Zhu, S Wang, R Zhu, X Liu… - Chemical Engineering …, 2024 - Elsevier
Alkaline leaching has become one of the most commonly used methods to treat arsenic-
containing waste. Efficient removal of arsenic from the high alkaline solution and reuse of …

Ultrasonic-enhanced selective arsenic removal and sulfide conversion from iron slag

Y Chen, G Lin, S Wang, H Liu, L Fu, D Xiang… - Journal of Cleaner …, 2024 - Elsevier
There are numerous valuable metals and the hazardous element arsenic in the iron slag
produced in the zinc hydrometallurgy. The arsenic must be removed for comprehensive …

Co-treatment of copper electrolytic sludges and copper scraps for the recycled utilization of copper and arsenic

J Xu, L Li, Z Xu, Y Xiao, Y Lei, Y Liu - Chemosphere, 2023 - Elsevier
The Cu electrolytic sludge is a hazardous waste because of its high Cu and As contents. In
contrast, As content in Cu scraps is low but causes massive floating slime to be formed …

Ultrasonic-enhanced selective sulfide precipitation of copper ions from copper smelting dust using monoclinic pyrrhotite

X Zhang, Y Jia, T Jia, H Han, SUN Wei… - … of Nonferrous Metals …, 2022 - Elsevier
The sulfide passivation film produced on the surface seriously prevents further reaction in
the process of using monoclinic pyrrhotite (MPr) to treat heavy metal ions in wastewater …

Thiourea-assisted selective removal of arsenic from copper smelting flue dusts in NaOH solution

Q Li, X Lai, Z Liu, F Chai, F Zhao, C Peng, Y Liang - Hydrometallurgy, 2024 - Elsevier
The selective removal of arsenic from copper smelting flue dusts is of great significance for
environmental protection and resource recycling. This study employed thiourea assisted …