Evaluation and current state of primary and secondary zinc production—a review

H Kania, M Saternus - Applied Sciences, 2023 - mdpi.com
This article presents the history of zinc, its production and demand. The quantity of zinc
production, both primary zinc from ores and concentrates, and secondary zinc from scrap …

Chelating extractants for metals

P Yudaev, E Chistyakov - Metals, 2022 - mdpi.com
In the present review, works on the classes of chelating extractants for metals, compounds
with several amide and carboxyl groups, azomethines, oximes, macrocyclic compounds …

[HTML][HTML] Mineral waste recycling, sustainable chemical engineering, and circular economy

H Yu, I Zahidi, CM Fai, D Liang, DØ Madsen - Results in Engineering, 2024 - Elsevier
The mineral processing industry is pivotal in natural resource extraction and historically
contributes to environmental damages like land degradation and groundwater …

Reverse flotation separation of calcite/dolomite from hemimorphite based on their surface sulphophile and oxyphile affinity differences

B Pei, J Li, Z Liu, S Ning, Z Cai, R Liu - Colloids and Surfaces A …, 2024 - Elsevier
This study attempts to selectively inhibit hemimorphite flotation using sodium sulphide and
uncover the mechanisms behind it. With the use of a fatty acid collector, the flotation test …

Zn speciation and fate in soils and sediments along the ground transportation route of Zn ore to a smelter

MJ Kwon, MI Boyanov, B Mishra, KM Kemner… - Journal of hazardous …, 2022 - Elsevier
Assessment of Zn toxicity/mobility based on its speciation and transformations in soils is
critical for maintaining human and ecosystem health. Zn-concentrate (56% Zn as ZnS …

Removal of base metals from mine tailings in chloride-and seawater-based media followed by solvent extraction

T Azevedo Schueler, P Fernandes de Aguiar… - Sustainability, 2023 - mdpi.com
The high volume of mine tailings generated during mining activities poses significant
worldwide storage risks. However, these tailings often contain valuable metals that can be …

Efficient sequestration of zinc and copper from aqueous media: exploring strategies, mechanisms, and challenges

A Anjum, R Garg, R Garg, D Gupta, NO Eddy - International Journal of …, 2024 - Springer
The extensive use of chemicals in agriculture and industrial activities and their careless
disposal causes the intrusion of heavy metal pollutants into water bodies, leading to water …

Recovery of Gold as Nanoparticles from Gold-Poor Au-Cu-Cl Solutions

R Herrala, Z Wang, J Vapaavuori… - The Journal of …, 2023 - ACS Publications
Electrochemical methods for preparing functional surfaces typically use optimized solutions
where competing reactions do not need to be considered. However, with the increased …

The role of the interface on surfactant transport to crude oil-water liquid-liquid interface

L Li, Z Liu - Journal of Molecular Liquids, 2024 - Elsevier
Liquid/liquid extraction (LLE) as one of the most industrially relevant separation methods,
plays a key role in a wide variety of applications. The extraction process is carried out in the …

Potential use of synergist D2EHPA/Cyanex 302 in kerosene system for reactive extraction: zinc recovery and organic phase regeneration

NFM Noah, N Othman, INS Kahar… - Chemical Engineering and …, 2022 - Elsevier
The extraction of Zn (II) from aqueous solution was studied using extractants mixture in
organic base kerosene by reactive extraction. The extraction process was conducted by …