Copper and critical metals production from porphyry ores and E-wastes: A review of resource availability, processing/recycling challenges, socio-environmental …

CB Tabelin, I Park, T Phengsaart, S Jeon… - Resources …, 2021 - Elsevier
Porphyry ores and E-wastes/WEEE are two of the most important copper-bearing materials
on the planet. Over 60% of world copper output comes from porphyry copper ores while E …

Depressants for separation of chalcopyrite and molybdenite: Review and prospects

J Hao, J Liu, Y Yu, H Gao, X Qin, X Bai - Minerals Engineering, 2023 - Elsevier
Copper and molybdenum are important metal resources, efficient treatment and utilization of
copper and molybdenum ores are of great significance to the development of economy and …

A review of the structure, and fundamental mechanisms and kinetics of the leaching of chalcopyrite

Y Li, N Kawashima, J Li, AP Chandra… - Advances in colloid and …, 2013 - Elsevier
Most investigators regard CuFeS 2 as having the formal oxidation states of Cu+ Fe 3+(S 2−)
2. However, the spectroscopic characterisation of chalcopyrite is clearly influenced by the …

New insights into stoichiometric efficiency and synergistic mechanism of persulfate activation by zero-valent bimetal (Iron/Copper) for organic pollutant degradation

L Fang, K Liu, F Li, W Zeng, Z Hong, L Xu, Q Shi… - Journal of Hazardous …, 2021 - Elsevier
Extensive studies have been devoting to investigating the catalytic efficiency of zero-valent
iron (Fe 0)-based bimetals with persulfate (PS), while little is known in the stoichiometric …

Effects of redox potential on chalcopyrite leaching: An overview

Z Tian, H Li, Q Wei, W Qin, C Yang - Minerals Engineering, 2021 - Elsevier
Chalcopyrite is a prime, plentiful and widely distributed form of copper-bearing mineral.
Compared with the traditional pyrometallurgy process, biohydrometallurgy has …

Copper sulfides leaching assisted by acidic seawater-based media: Ionic strength and mechanism

L Wang, S Yin, B Deng, A Wu - Minerals Engineering, 2022 - Elsevier
The seawater is purified or pre-treated to obtain the acidic seawater-based media (ASM),
which has been gradually utilized in copper hydrometallurgical industries, resulting in …

Acidic sulphate leaching of chalcopyrite concentrates in presence of pyrite

SMJ Koleini, V Aghazadeh, Å Sandström - Minerals Engineering, 2011 - Elsevier
Copper concentrates with mineralogy dominated by chalcopyrite have slow leaching
kinetics at atmospheric pressure in sulphate media because of the formation of passivation …

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 …

Electrochemical evaluation of the surface of chalcopyrite during dissolution in sulfuric acid solution

A Ghahremaninezhad, E Asselin, DG Dixon - Electrochimica Acta, 2010 - Elsevier
The dissolution of a massive chalcopyrite electrode (98.1% chalcopyrite, 1.9% siderite) was
studied in 0.5 M sulfuric acid solution. Different anodic potentials were applied and the …

Dissolution kinetics of chalcopyrite in acidic potassium dichromate solution

S Aydogan, G Ucar, M Canbazoglu - Hydrometallurgy, 2006 - Elsevier
The dissolution of chalcopyrite in acidic potassium dichromate solution has been
investigated with respect to the effects of sulphuric acid and potassium dichromate …