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Vol. 22 N° 4 - Minerals engineering Mars 2009 |
Vol. 22 N° 3 - Minerals engineering Fevrier 2009 |
Vol. 22 N° 2 - Minerals engineering Janvier 2009 |
Vol. 22 N° 1 - Minerals engineering Janvier 2009 |
Minerals engineering : an international journal devoted to innovation and developments in mineral processing and extractive metallurgy, Vol. 22 N° 5. Minerals engineering - Avril 2009
| Titre : | Minerals engineering : an international journal devoted to innovation and developments in mineral processing and extractive metallurgy, Vol. 22 N° 5. Minerals engineering - Avril 2009 |
| Type de document : | Bulletin |
| Paru le : | 15/11/2009 |
Dépouillements
Article : texte imprimé
Z.A. Zhou, Auteur ;
Zhenghe Xu, Auteur ;
J.A. Finch, Auteur
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Research in applying hydrodynamic cavitation to recovery of natural resources during the last decade is reviewed. The existence and formation of tiny bubbles or gas nuclei (with diameter from microns down to nano sizes) in natural water were ver[...]
Article : texte imprimé
Karsten Knorr, Auteur ;
Chris Kelaart, Auteur
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Rietveld analysis emerged as a routine tool in quantitative phase analysis of crystalline powder samples. Here, XRD data from solidified aluminium electrolytes were rapidly obtained with a 1-dimensional silicon strip detector and analysed with t[...]
Article : texte imprimé
H. Koseoglu, Auteur ;
M. Kitis, Auteur
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The main objective of this work was to investigate the recovery of silver from mining wastewaters using a hybrid cyanidation and high-pressure membrane process. The tested hybrid process in lab-scale experiments includes the concentration and re[...]
Article : texte imprimé
Libin Tong, Auteur ;
David Dreisinger, Auteur
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The adsorption behavior of sulfur dispersing agents, including lignosulfonate, Quebracho, o-phenylenediamine (OPD), and humic acid on elemental sulfur and nickel sulfide concentrate was investigated. The charge changes on elemental sulfur surfac[...]
Article : texte imprimé
K. Hadler, Auteur ;
J. J. Cilliers, Auteur
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Air recovery, or the fraction of air entering a cell that overflows the cell lip as unburst bubbles, is an important measure of froth stability as it affects the flow of bubble surface to the concentrate. An experimental campaign was carried out[...]
Article : texte imprimé
Libin Tong, Auteur ;
David Dreisinger, Auteur
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The effects of sulfur dispersing agents in the oxygen pressure leaching of nickel concentrate at medium temperature were investigated by interfacial studies. Liquid sulfur–aqueous solution interfacial tensions and liquid sulfur–sulfide mineral c[...]
Article : texte imprimé
E.T. Pecina, Auteur ;
M. Rodríguez, Auteur ;
P. Castillo, Auteur
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The objective of this work was to determine the effect of Leptospirillum ferrooxidans on the floatability of chalcopyrite, sphalerite, and pyrrhotite by using xanthate as a collector. The tests were carried out in the absence and presence of bac[...]
Article : texte imprimé
X. Dai, Auteur ;
P. L. Breuer, Auteur
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A process is proposed to recover the cyanide and copper cyanides following the leaching and recovery of gold from copper-containing gold ores. Metallic copper is dissolved into the tailings stream to convert the residual free cyanide to copper c[...]
Article : texte imprimé
R. J. Bowell, Auteur ;
J.V. Parshley, Auteur ;
G. McClelland, Auteur
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This paper presents a summary of field and laboratory studies conducted to determine the need and extent of rinsing requirements for a spent oxide gold heap. The testwork utilized the Gold Acres Heap in Nevada. Monitoring data was reviewed to ex[...]
Article : texte imprimé
Alexander F.H. Goetz, Auteur ;
Brian Curtiss, Auteur ;
Daniel A. Shiley, Auteur
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Near-infrared (NIR) reflectance spectroscopy is being used increasingly as a laboratory technique to supplement XRD analysis and other measurements of blast-hole cuttings for metallurgical processing decision making. The advantage of the techniq[...]
Article : texte imprimé
B. Ramachandra Reddy, Auteur ;
S. Venkateswara Rao, Auteur ;
Kyung Ho Park, Auteur
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We report in this paper the solvent extraction separation of cobalt and nickel from synthetic sulphate solutions using TOPS 99 and TIBPS mixtures diluted in kerosene. The feed contains 1.061 g/L Co and 1.187 g/L Ni. Extraction experiments with s[...]
Article : texte imprimé
I. Demers, Auteur ;
J. Finch, Auteur ;
E. El-Ammouri, Auteur
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The most common treatment for acidic drainage is lime neutralization. The process involves neutralization and precipitation of a metal hydroxide-gypsum sludge using a flocculant, generally Percol. In the short term, the sludge is stable, but in [...]
Article : texte imprimé
W. Zhang, Auteur ;
M. Kolahdoozan, Auteur ;
J.E. Nesset, Auteur
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Measurement of bubble size in industrial flotation cells is now often accomplished using the sampling-for-imaging technique. Operation calls for frother in the viewing chamber. In this communication the impact of frother concentration in the cha[...]
Article : texte imprimé
R.A. Kleiv, Auteur
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This paper proposes the use of a copper disk as a simple heatsink for planetary mills in order to limit or slow down the temperature increase during prolonged grinding. A series of grinding experiments have been performed in which the surface te[...]
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