Results 11 to 20 of about 12,905 (231)
Leaching of a Mongolian chalcopyrite concentrate
Mongolian Journal of Chemistry, 2018 A Mongolian chalcopyrite flotation concentrate was leached using sodium hypochlorite adjusted to different pH using hydrochloric acid. It was found that using a starting pH of below 5.0 resulted in more efficient leaching.
Nicholas J Welham +2 more
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International Journal of Mining Science and Technology, 2023 Chalcopyrite is the main Cu-containing mineral and cannot be separated well from pyrite using traditional xanthate collectors with large amounts of lime depressant, resulting in difficulties of the tailing treatment and associated precious metals ...
Jianjun Wang +5 more
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Research Status of the Effect of Typical Impurity Minerals and Ions on Chalcopyrite Leaching
Kuangchan zonghe liyong, 2022 Chalcopyrite is often associated with some impurity minerals such as pyrite, quartz, carbonateand silicate minerals, and the presence of these minerals will affect the leaching of chalcopyrite.
Hongguang Leng +3 more
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Microwave improving copper extraction from chalcopyrite through modifying the surface structure
Journal of Materials Research and Technology, 2020 Microwave-assisted leaching as a green and efficient method for leaching chalcopyrite has attracted increasing attention. Researchers have actively explored the reasons why microwaves have a positive impact on copper extraction.
Tong Wen +6 more
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Chalcopyrite Dissolution at 650 mV and 750 mV in the Presence of Pyrite
Metals, 2015 The dissolution of chalcopyrite in association with pyrite in mine waste results in the severe environmental issue of acid and metalliferous drainage (AMD).
Yubiao Li +3 more
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Kinetics of nitric acid leaching of bornite and chalcopyrite
Chimica Techno Acta, 2023 The paper presents a study of the process of nitric acid dissolution of the natural minerals chalcopyrite and bornite. The influence of various parameters, including temperature, nitric acid concentration and particle sizes, on this process was examined.
Yuri Shklyaev +4 more
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International Journal of Electrochemical Science, 2017 In this work, bioleaching of chalcopyrite-pyrite and chalcopyrite-bornite mixed ores in the presence of moderately thermophilic microorganisms (A.caldus, L.ferriphilum and mixed culture) were carried out.
Yulin Huang +9 more
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Metals, 2020 Porphyry Cu-Mo deposits, which are the most important sources of copper and molybdenum, are typically processed by flotation. In order to separate Cu and Mo minerals (mostly chalcopyrite and molybdenite), the strategy of depressing chalcopyrite while ...
Ilhwan Park +4 more
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Flotation separation of chalcopyrite and molybdenite by externally controlled potential method
工程科学学报, 2019 Chalcopyrite-molybdenite separation has always been a major difficulty in mineral processing. At present, chemical agents are commonly used to regulate the pulp potential.
SONG Kun +4 more
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Separations, 2023 Disodium carboxymethyl trithiocarbonate (DCMT) is considered to have the potential to replace sulfide and cyanide as a new chalcopyrite inhibitor. However, the effect of its application in the industrial field is often not ideal, mainly because the ...
Yonghai Wang +4 more
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