The dissolution and passivation mechanism of chalcopyrite in bioleaching: An overview
H Zhao, Y Zhang, X Zhang, L Qian, M Sun, Y Yang… - Minerals …, 2019 - Elsevier
Chalcopyrite (CuFeS 2) is the most abundant copper-containing resource in the earth and is
also widely distributed in solid wastes and secondary resources. Biohydrometallurgy …
also widely distributed in solid wastes and secondary resources. Biohydrometallurgy …
Metals extraction from sulfide ores with microorganisms: the bioleaching technology and recent developments
Nowadays, due to fast global industrial progress and near diminution of high-grade ore
reserves, there has been massive call to cost-effectively process the resources of low-grade …
reserves, there has been massive call to cost-effectively process the resources of low-grade …
Chalcopyrite bioleaching in chloride media: A mini-review
FL Martins, VA Leão - Hydrometallurgy, 2023 - Elsevier
The growing worldwide demand for copper implies the need to process increased amounts
of its ores. Chalcopyrite is the most abundant copper mineral, but due to its refractory nature …
of its ores. Chalcopyrite is the most abundant copper mineral, but due to its refractory nature …
Acidophilic bioleaching: a review on the process and effect of organic–inorganic reagents and materials on its efficiency
Bio-hydrometallurgical applications have been receiving more attention globally for
processing of several metal bearing wastes. Developments in bioleaching enable this …
processing of several metal bearing wastes. Developments in bioleaching enable this …
Bioleaching of copper from chalcopyrite ore at higher NaCl concentrations
The formation of hydrolyzed ferric iron (Fe (III)) as jarosite could limit the bioleaching of
copper and significantly lower the dissolution rate of low-grade chalcopyrite ore. Thus, to …
copper and significantly lower the dissolution rate of low-grade chalcopyrite ore. Thus, to …
Active destruction of pyrite passivation by ozone oxidation of a biotic leaching system
X Lv, H Zhao, Y Zhang, Z Yan, Y Zhao, H Zheng, W Liu… - Chemosphere, 2021 - Elsevier
Although pyrite bio-dissolution plays an important role in the processing of sulfide ores, the
formation of passivation film inhibited the further dissolution of sulfide ores. In order to …
formation of passivation film inhibited the further dissolution of sulfide ores. In order to …
An integrated insight into bioleaching performance of chalcopyrite mediated by microbial factors: Functional types and biodiversity
J Tao, X Liu, X Luo, T Teng, C Jiang, L Drewniak… - Bioresource …, 2021 - Elsevier
Six artificial communities with different function or biodiversity were reconstructed by six
typical bioleaching species for chalcopyrite leaching. Absence of sulfur oxidizers in …
typical bioleaching species for chalcopyrite leaching. Absence of sulfur oxidizers in …
Reductive dissolution by waste newspaper for enhanced meso-acidophilic bioleaching of copper from low grade chalcopyrite: A new concept of biohydrometallurgy
Dumping of low-grade chalcopyrite encompasses several environmental problems. Despite
slow dissolution rate, meso-acidophilic bioleaching is preferred for the extraction of copper …
slow dissolution rate, meso-acidophilic bioleaching is preferred for the extraction of copper …
Enhancing the Leaching of Chalcopyrite Using Acidithiobacillus ferrooxidans under the Induction of Surfactant Triton X-100
R Zhang, C Sun, J Kou, H Zhao, D Wei, Y Xing - Minerals, 2018 - mdpi.com
Chalcopyrite is the richest copper sulfide mineral in the world, but it is also the most resistant
to biohydrometallurgical processing. To promote the bioleaching of chalcopyrite, a nonionic …
to biohydrometallurgical processing. To promote the bioleaching of chalcopyrite, a nonionic …
Copper recovery from low-grade copper sulfides using bioleaching and its community structure succession in the presence of Sargassum
W Chen, H Tang, S Yin, L Wang, M Zhang - Journal of Environmental …, 2024 - Elsevier
Bioleaching characteristics and bacterial community structure were studied during low-
grade copper sulfide ores bioleaching in the presence of pretreated Sargassum (PSM) …
grade copper sulfide ores bioleaching in the presence of pretreated Sargassum (PSM) …