Hydrometallurgical Treatments of Copper Ores, By-Products and Waste
A special issue of Minerals (ISSN 2075-163X). This special issue belongs to the section "Mineral Processing and Extractive Metallurgy".
Deadline for manuscript submissions: 31 December 2024 | Viewed by 839
Special Issue Editors
Interests: hydrometallurgical treatments and surface characterization
Interests: green mining; mining waste valorization; hydrometallurgy; polymetallic mining
Interests: microstructural characterization; siderurgy; hydrometallurgy
Special Issues, Collections and Topics in MDPI journals
Special Issue Information
Dear Colleagues,
Mining plays a vital role in sustaining the economy while minimizing its ecological impact on the environment, and also promotes social growth. Conventional hydrometallurgy treatment comprises three main stages. The first stage is leaching, in which mineral dissolution occurs via the action of an acidic solution. Then, the solvent extraction stage generates an electrolyte solution with a high acid and copper concentration and a low presence of impurities. Finally, electrowinning, via the use of redox reactions, enables copper to be obtained as a cathode.
One of the challenges associated with hydrometallurgical processes is the treatment of refractory copper minerals under conventional leaching conditions, such as black copper oxide and sulfide ores, and chalcopyrite in particular. Furthermore, the dissolution of by-products from extractive copper metallurgy, along with the hydrometallurgical treatment of waste, presents an important alternative in the valorization of metal resources. Novel leaching media and pretreatment alternatives are also considered to be stages or processes that benefit the hydrometallurgical treatment of the copper industry.
This Special Issue welcomes the submission of papers presenting novel and original ideas on the hydrometallurgical treatment of copper ores, by-products and waste. The scope of this Special Issue primarily includes the following topics: (1) the dissolution of oxidized or sulfide copper ores, (2) the application of pretreatments or new dissolution media, (3) the leaching of residues or waste containing copper or other metals, (4) the dissolution of elements from by-products of extractive copper metallurgy, and (5) the impact of the dissolution of copper minerals, by-products or waste in the solvent extraction and/or electrowinning stages.
Dr. Víctor Quezada
Dr. María Cecilia Hernández Vera
Dr. Alisiya Biserova-Tachieva
Guest Editors
Manuscript Submission Information
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Keywords
- leaching
- hydrometallurgy
- copper sulfide ore
- copper oxidized ore
- dissolution
- solvent extraction
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