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.
References
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Journal ArticleDOI
X‐ray photoelectron spectroscopy analysis of copper and zinc oxides and sulphides
G. Deroubaix,Philippe Marcus +1 more
TL;DR: In this paper, various copper and zinc compounds have been synthesized and characterized by electron spectroscopy (XPS) and data on the 2p 3/2 levels of Cu, Zn and S, the 1s level of O, the L 3 M 45 M 45 Auger transitions of Cu and Zn, the valence bands and the modified Auger parameters are reported.
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Acidithiobacillus ferrooxidans metabolism: from genome sequence to industrial applications
Jorge Valdés,Inti Pedroso,Raquel Quatrini,Robert J. Dodson,Hervé Tettelin,Hervé Tettelin,Robert C. Blake,Jonathan A. Eisen,Jonathan A. Eisen,David S. Holmes +9 more
TL;DR: Bioinformatics analysis provides a valuable platform for gene discovery and functional prediction that helps explain the activity of A. ferrooxidans in industrial bioleaching and its role as a primary producer in acidic environments.
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Bioleaching review part B: progress in bioleaching: applications of microbial processes by the minerals industries.
TL;DR: A review of the historical development and current state of metals leaching and sulfide mineral biooxidation by the minerals industries can be found in this paper, where the authors describe the main steps in this area.
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Etude par spectroscopie de photoelectrons de la degradation superficielle de FeS2, CuFeS2, ZnS et PbS a l'air et dans l'eau
TL;DR: In this paper, photoelectron spectroscopy (XPS) was used to characterize the surface of pyrite and chalcopyrite after exposure to air and distilled water.
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Passivation of chalcopyrite during oxidative leaching in sulfate media
TL;DR: In this paper, the oxygen pressure leaching behavior of chalcopyrite in the temperature range 110-220°C was studied to shed new light on the reasons for the slow leaching.