Journal ArticleDOI
A review of the structure, and fundamental mechanisms and kinetics of the leaching of chalcopyrite.
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TLDR
There is general agreement in the literature that chalcopyrite leaching is significantly affected by solution redox potential with an optimum E(h) range suggesting the participation of leach steps that involve both oxidation and reduction.About:
This article is published in Advances in Colloid and Interface Science.The article was published on 2013-09-01. It has received 338 citations till now. The article focuses on the topics: Chalcopyrite & Leaching (metallurgy).read more
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Kinetics of oxidative degradation/mineralization pathways of the antibiotic tetracycline by the novel heterogeneous electro-Fenton process with solid catalyst chalcopyrite
Natija Barhoumi,Natija Barhoumi,Hugo Olvera-Vargas,Nihal Oturan,David Huguenot,Abdellatif Gadri,Salah Ammar,Enric Brillas,Mehmet A. Oturan +8 more
TL;DR: In this article, the degradation of solutions of the antibiotic tetracycline (TC) has been studied by a novel electrochemical advanced oxidation process, consisting in electro-Fenton (EF) process using chalcopyrite as heterogeneous catalyst.
Journal ArticleDOI
Chalcopyrite hydrometallurgy at atmospheric pressure: 1. Review of acidic sulfate, sulfate–chloride and sulfate–nitrate process options
TL;DR: In this paper, the authors present a review of current knowledge in respect of sulfate-sulfuric acid systems and highlight potentially rewarding areas for future research, including the potential to exploit alternative oxidants to ferric ion.
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Current scenario of chalcopyrite bioleaching: a review on the recent advances to its heap-leach technology.
TL;DR: Advances in the designing of heap bioleaching plant along with microbial and environmental factors of importance have been reviewed with conclusions into the future prospects of chalcopyriteBioleaching.
Journal ArticleDOI
A Review of the Occurrence and Promising Recovery Methods of Rare Earth Elements from Coal and Coal By-Products
TL;DR: In this article, a review of the abundance, mode of occurrence, and recovery methods of rare earth elements in coal and coal by-products is provided along with issues associated with their use with coal resources.
Journal ArticleDOI
Heap Leaching Technology—Current State, Innovations, and Future Directions: A Review
TL;DR: Heap leaching is a well-established extractive metallurgical technology enabling the economical processing of various kinds of low-grade ores, which could not otherwise be exploited as mentioned in this paper.
References
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How do bacteria interact with minerals
TL;DR: In this article, a resolution to the debate is suggested based on the evidence of the kinetic studies that were performed, and the authors suggest that only kinetic studies can resolve the debate, since the critical factor is the kinetics of each proposed path.
Progress in Crystal Growth and Characterization of Materials
Sabino Veintemillas-Verdaguer,Marzia Marciello,María del Puerto Morales,Carlos J. Serna,Manuel Andr +4 more
TL;DR: In this paper, the authors describe the preparation of magnetic nanocrystals and their performance in selected biomedical appli-cations that are expected to be strongly dependent on the nanoparticle magnetic response.
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Fundamental studies of the contribution of galvanic interaction to acid-bacterial leaching of mixed metal sulfides
A.P. Mehta,Lawrence E Murr +1 more
TL;DR: In this article, the role of galvanic interaction in the leaching of sulfide minerals both in the absence and presence of bacteria was investigated. But the results of the experiments were limited to a single sample.
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Synchrotron XPS evidence for Fe2+-S and Fe3+-S surface species on pyrite fracture-surfaces, and their 3D electronic states
TL;DR: In this paper, a high binding energy tail of the pyrite Fe 2p 3/2 line was found to be composed primarily of Fe 2+ and Fe 3+ surface state contributions.
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Surface layers in base metal sulphide flotation
TL;DR: In this article, surface-sensitive techniques, such as XPS (ESCA), scanning Auger microscopy and analytical scanning electron microscopy, have been used to study the surface layers on metal sulphides as single minerals, mixed minerals, synthetic ores and real ores from eight Australian concentrator operations.