Minerals engineering : an international journal devoted to innovation and developments in mineral processing and extractive metallurgy, Vol. 23 N° 1. Minerals engineering - Janvier 2010
| Titre : | Minerals engineering : an international journal devoted to innovation and developments in mineral processing and extractive metallurgy, Vol. 23 N° 1. Minerals engineering - Janvier 2010 |
| Type de document : | Bulletin |
| Paru le : | 09/03/2010 |
Dépouillements
Article : texte imprimé
O. Ozdemir, Auteur ;
A. Jain, Auteur ;
V. Gupta, Auteur
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Trona ore consists mainly of trona, sodium sesquicarbonate dihydrate (Na2CO3·NaHCO3·2H2O), including minor undesirable insoluble materials.
With the present industrial practice, there is no particle separation process to remove these insoluble [...]
Article : texte imprimé
J. V. Mehrabani, Auteur ;
M. Noaparast, Auteur ;
S. M. Mousavi, Auteur
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In this research work, selective depression of pyrite in the flotation of a low-grade lead–zinc ore containing 31% pyrite was investigated in the absence and presence of Acidithiobacillus ferrooxidans.
Pyrite was significantly depressed with th[...]
Article : texte imprimé
In this study, the separation of feldspar minerals (albite) from slimes containing feldspar and iron containing minerals (Fe-Min) was studied using dissolved air flotation (DAF) technique whereby bubbles less than 100 μm in size are produced.
B[...]
Article : texte imprimé
Nymphodora Papassiopi, Auteur ;
Katerina Vaxevanidou, Auteur ;
Ioannis Paspaliaris, Auteur
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Current study investigates the possibility of obtaining the removal of iron from bauxite ores, by exploiting the metabolism of iron reducing microorganisms.
The experiments were carried out using the microorganism Desulfuromonas palmitatis.
Th[...]
Article : texte imprimé
Ahmed Reda Yeddou, Auteur ;
Nadjemi, Boubakeur, Auteur ;
Halet, Farid, Auteur
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This work is dedicated to the removal of the very toxic free cyanide from aqueous solution by oxidation with hydrogen peroxide H2O2 in the presence of activated carbon prepared from olive stones.
Effects of the initial molar ratio [H2O2]0/[CN−][...]
Article : texte imprimé
Wensheng Zhang, Auteur ;
David Muir, Auteur
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Under specific controlled conditions, the addition of SO2 to oxygen or air produces the peroxy-monosulphate free radical in solution, which is a stronger oxidant than oxygen alone.
In this study, the practical strategies required to optimise th[...]
Article : texte imprimé
The response of Cu-oxide and sulfide ores is studied by the leaching of sulfuric acid.
Exotic and supergenic enrichment samples were contrasted by assaying three Chilean copper deposits in order to develop a predictive methodology of the indust[...]
Article : texte imprimé
S. M. Javad Koleini, Auteur ;
Hossein Mehrpouya, Auteur ;
Kamal Saberyan, Auteur
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The main purpose of this study was to extract indium from the Irankoh zinc plant residue.
The Irankoh zinc plant residue contained 145 ppm indium.
The optimum conditions for leaching of indium and reduction of ferric ion in reductive leaching [...]
Article : texte imprimé
A series of wet-grinding experiments has been carried out on inorganic powders by a stirred ball mill to systematically investigate the grinding characteristics.
The grinding power consumed for a given grinding time was considered, as well as t[...]
Article : texte imprimé
L. Van Dyk, Auteur ;
E. R. M. Mariba, Auteur ;
Y. Chen, Auteur
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Interest in extraction processes that utilise organic ligands in the gas phase has been growing since such processes appear to eliminate many of the problems of high energy costs and complexity encountered in conventional hydrometallurgical and [...]
Article : texte imprimé
In this study the removal of sulfur and arsenic from a refractory flotation gold concentrate by microwave heating was investigated.
The results showed that cooling pattern of the heated products, heating time, temperature and atmosphere had sig[...]
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