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 …

The use of seawater in mining

LA Cisternas, ED Gálvez - Mineral Processing and Extractive …, 2018 - Taylor & Francis
This article reviews the use of seawater in mining with an emphasis on its use in Chile. The
importance of the use of seawater in mining is highlighted in the introduction, then the main …

Chalcopyrite leaching in novel lixiviants

IF Barton, JB Hiskey - Hydrometallurgy, 2022 - Elsevier
Chalcopyrite (CuFeS 2) makes up a large and increasing fraction of the world's future
copper resources, but is highly refractory to leaching with common lixiviants. Novel lixiviants …

Chalcopyrite hydrometallurgy at atmospheric pressure: 2. Review of acidic chloride process options

HR Watling - Hydrometallurgy, 2014 - Elsevier
Hydrometallurgical process developments for the extraction of copper from chalcopyrite tend
to target complex concentrates, dirty concentrates that would incur penalties if smelted or …

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 …

[HTML][HTML] Presentation on mechanisms and applications of chalcopyrite and pyrite bioleaching in biohydrometallurgy–a presentation

H Tao, L Dongwei - Biotechnology Reports, 2014 - Elsevier
This review outlines classic and current research, scientific documents and research
achievements in bioleaching, particularly in respect of the bioleaching of chalcopyrite and …

A conceptual process for copper extraction from chalcopyrite in alkaline glycinate solutions

JJ Eksteen, EA Oraby, BC Tanda - Minerals Engineering, 2017 - Elsevier
A conceptual flowsheet is proposed and the main processing steps are evaluated for the
alkaline processing of chalcopyrite where glycine is the complexing agent. Glycine is utilised …

Solvometallurgical process for extraction of copper from chalcopyrite and other sulfidic ore minerals

X Li, W Monnens, Z Li, J Fransaer, K Binnemans - Green Chemistry, 2020 - pubs.rsc.org
Extraction of copper from sufidic ores, either by pyrometallurgy or hydrometallurgy, has
various limitations. In this study, a solvometallurgical process for the extraction of copper …

[PDF][PDF] A review on novel techniques for chalcopyrite ore processing

AA Baba, KI Ayinla, FA Adekola, MK Ghosh… - Int. J. Min. Eng. Miner …, 2012 - academia.edu
Chalcopyrite ores are usually processed by means of hydrometallurgical or
pyrometallurgical processes, but due to environmental aspects and the possibility of …

Kinetics of chalcopyrite leaching in either ferric sulphate or cupric sulphate media in the presence of NaCl

TC Veloso, JJM Peixoto, MS Pereira… - International Journal of …, 2016 - Elsevier
The shrinking core model (SCM) has been extensively applied in the kinetics analysis of
particulate systems. This is because in its classical form it is one of the simplest models …