Results 41 to 50 of about 356 (169)
Scientific Reports, 2017 A shocking Longjiang River cadmium pollution accident occurred in 2012, the effects of which on microbial communities remain unclear. Alkaline precipitation technology was applied for remediation, but concerns rose about the stability of this technology.
MingJiang Zhang +7 more
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Mechanism of fluoride inhibition on bioleaching bacteria and competitive complexation of ferric ions
工程科学学报, 2018 A bottleneck occurs in the application of bioleaching technology to fluoride-containing ore. The reason for this is that fluorine has a strong inhibitory effect on leaching bacteria with the dissolution of fluorine-containing gangue minerals.
LI Xiang +7 more
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Microbiological Advances in Biohydrometallurgy [PDF]
Minerals, 2016 The most exciting advances in biohydrometallurgy are occurring in the field of microbiology. The two main technologies employed in biohydrometallurgy, agitated tanks for the processing of refractory concentrates and heaps and dumps for the processing of low-grade ores, are technologically sound and widely practised at commercial scale, but their ...
openaire +1 more source
Scandium extraction from silicates by hydrometallurgical process at normal pressure and temperature
Journal of Materials Research and Technology, 2020 Silicate is an important rock-forming mineral. In this work, a method called “sulfuric acid curing” was proposed, aiming to extract rare earth element scandium from silicates.
Yanjun Zhang +8 more
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Options for Increasing the Rate of Bioleaching of Arsenic Containing Copper Concentrate
Microbiology Research, 2022 In the present work the effect of alkaline sulfide leaching (ASL) on the extraction of copper and zinc from low-grade copper concentrate containing chalcopyrite, tennantite, sphalerite, and pyrite during batch and continuous bioleaching experiments was ...
Alena Artykova +5 more
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International Journal of Electrochemical Science, 2013 In this work, a comparative study on the electrochemical behavior of massive chalcopyrite electrode in different leaching mediums was carried out to investigate the different interface reactions.
Jun Wang +4 more
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Advanced Energy and Sustainability Research, Volume 7, Issue 4, April 2026.Electrochemical recycling of spent LiBs is emerging as a transformative alternative. This work evaluates key electrochemical strategies, including indirect recycling via metal dissolution and selective recovery, and direct regeneration via relithiation under mild conditions.
Dazhi Yao, Long Ji, Yonggang Jin
wiley +1 more source
工程科学学报, 2017 To study the effect of carbonaceous matter on gold recovery in bio-pretreatment followed by a cyanide leaching process, the carbonaceous matter was characterized in high-sulfur Carlin-type gold flotation concentrate by gas chromatography-mass ...
QIU Xiao-bin +5 more
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Metals, 2021 Electronic e-waste (e-waste) is a growing problem worldwide. In 2019, total global production reached 53.6 million tons, and is estimated to increase to 74.7 million tons by 2030.
Jonovan Van Yken +5 more
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Sustainable Development, Volume 34, Issue S1, Page 736-757, January 2026.ABSTRACT This review highlights the urgent need for sustainable operational efficiency (SOE) in the mining industry (MI) as it confronts escalating environmental, social, and economic pressures. Although considerable progress has been achieved in areas such as life cycle assessment, renewable energy integration, and data‐driven decision‐making ...
A. Akofa Amegboleza, M. Ali Ülkü
wiley +1 more source