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.
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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.
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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.
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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.
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Journal ArticleDOI
Electron transfer in the insertion of alkali metals in chalcopyrite
TL;DR: In this paper, the insertion of alkali metals in chalcopyrite has been investigated by X-ray photoelectron spectroscopy and band structure calculations of the extended Huckel type.
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Bioleaching of chalcopyrite with Acidianus manzaensis YN25 under contact and non-contact conditions
TL;DR: In this article, the authors investigated the contributions of contact and non-contact cells of Acidianus manzaensis (A.manzaensis ) YN25 to the bio-leaching of chalcopyrite, three experiments were carried out in the modified shake flasks.
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Rate law and mechanism for the oxidation of copper(I) by iron(III) in hydrochloric acid solutions
R. J. Orth,K. C. Liddell +1 more
TL;DR: In this article, a rotating ring disk electrode was used, and rigorous corrections were made to the ring current to account for overlap of the Fe(II)/Fe(III) and Cu(I) 2 /Cu(II) couples.
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Interactions between sulphides and manganese dioxide in thiosulphate leaching of gold ores
D. Feng,J.S.J. van Deventer +1 more
TL;DR: In this article, the interactions between manganese dioxide and pyrite or chalcopyrite were investigated in both the ammoniaal and ammoniacal thiosulphate leaching systems.