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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Eco-friendly oxidation leaching from chalcopyrite powder and kinetics assisted by sodium chloride in organic acid media
TL;DR: In this paper , an eco-friendly and efficient leaching process was investigated for the leaching of Cu and Fe from chalcopyrite powder, and the results showed that the introduction of stirring energy has an adverse effect on the process.
Chalcopyrite (Bio)leaching in Sulphate Solutions : An Investigation into Hindered Dissolution with a Focus on Solution Redox Potential
TL;DR: Chalcopyrite (CuFeS2) is the most abundant and the most economically important copper mineral as discussed by the authors, and increasing worldwide demand for copper accompanied by exhaustion of copper resources necessitate the d...
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Acid Bioleaching of Copper from Smelter Dust at Incremental Temperatures
TL;DR: In this paper, coal smelters produce solid waste streams that pose potential pollution problems because of the dust and metal content, and coal dust from flash and electric furnace is normally recycled to the s...
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Optimization of sulfuric acid leaching of roasted chalcopyrite concentrate with Box–Wilson experimental design
TL;DR: In this paper, the authors used the Box-Wilson procedure of statistical experimental design to identify the effects of significant leaching variables for instance leaching time (X1; 10-120 min), solid/liquid ratio (X2; 0.01-0.20), and H2SO4 concentration (X3; 0,01-1.00 m) on Cu extraction from roasted concentrate and was tried to be optimized.
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Stochastic representation of the agglomeration process: Implications on the saturation variability in a dynamic heap leach
Raúl Urtubia,Francisco Suárez +1 more
TL;DR: In this paper, the spatial distribution of the agglomerate quality within the heap affects its fluid saturation, and the heterogeneity of the heap's fluid saturation is quantified using the saturation nonuniformity.
References
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Generalized Gradient Approximation Made Simple
TL;DR: A simple derivation of a simple GGA is presented, in which all parameters (other than those in LSD) are fundamental constants, and only general features of the detailed construction underlying the Perdew-Wang 1991 (PW91) GGA are invoked.
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X-ray photoelectron studies on some oxides and hydroxides of cobalt, nickel, and copper
N. S. McIntyre,M. G. Cook +1 more
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X-ray photoelectron spectroscopic studies of iron oxides
N. S. McIntyre,D. G. Zetaruk +1 more
BookDOI
Photoelectron spectroscopy : principles and applications
TL;DR: In this paper, the three low-index faces of a Face-Centered Cubic (fcc) Crystal Face were modeled as 3D cubic faces, and a table of binding energies was presented.