Minerals engineering : an international journal devoted to innovation and developments in mineral processing and extractive metallurgy, Vol. 22 N° 13. Minerals engineering - Octobre 2009
| Titre : | Minerals engineering : an international journal devoted to innovation and developments in mineral processing and extractive metallurgy, Vol. 22 N° 13. Minerals engineering - Octobre 2009 |
| Type de document : | Bulletin |
| Paru le : | 07/12/2009 |
Dépouillements
Article : texte imprimé
R. K. Amankwah, Auteur ;
C.A. Pickles, Auteur
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Gold ores containing carbonaceous matter and sulphidic minerals are generally referred to as double refractory. Extraction of the gold from such ores usually requires an oxidation step to both liberate the ultra-fine gold from the matrix of the [...]
Article : texte imprimé
C.A. Pickles, Auteur
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Microwave radiation is a relatively new energy source, which has considerable potential for various applications in mineral processing and extractive metallurgy. However, the strengths of the interaction of the microwave radiation with the mater[...]
Article : texte imprimé
C.A. Pickles, Auteur
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In metal extraction processes, such as reduction or smelting, a source of energy is required for the endothermic reactions. This energy is often supplied by the combustion of carbonaceous materials or hydrocarbons or by inputting some electrical[...]
Article : texte imprimé
Jens C.Ø. Andersen, Auteur ;
Gavyn K. Rollinson, Auteur ;
Ben Snook, Auteur
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Nickel laterites are mineralogically complex, yet increasingly important sources of nickel and cobalt. To be successfully exploited they require accurate characterization of the mineralogy, texture and grade. As spatially resolved mineralogical [...]
Article : texte imprimé
Glayson Stopa Gontijo, Auteur ;
Antonio Carlos Brandão De Araújo, Auteur ;
Shiva Prasad, Auteur
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Alumina production through Bayer Process is limited by the instability of soluble sodium aluminate in the supersaturated solutions used by the alumina refineries. The precipitation of aluminum hydrate can occur in equipment not designed for this[...]
Article : texte imprimé
Article : texte imprimé
O.A. Lima, Auteur ;
D.A. Deglon, Auteur ;
L.S. Leal Filho, Auteur
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This paper compares the critical impeller speed results for 6 L Denver and Wemco bench-scale flotation cells with findings from a study by Van der Westhuizen and Deglon [Van der Westhuizen, A.P., Deglon, D.A., 2007. Evaluation of solids suspensi[...]
Article : texte imprimé
To quantitatively measure and compare the ability of different materials in absorbing microwave energy, a new practical method, only using a home microwave oven with microwave radiation out of the bottom of the cavity as the major apparatus, was[...]
Article : texte imprimé
Ö. Genç, Auteur ;
A. H. Benzer, Auteur
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Single particle impact breakage characteristics of clinkers from different plants were determined by the drop-weight technique. Impact breakage distribution parameter (t10) defined by Narayanan [Narayanan, S.S., Whiten, W.J., 1983. Breakage char[...]
Article : texte imprimé
D.M. Hewitt, Auteur ;
P. L. Breuer, Auteur ;
M.I. Jeffrey, Auteur
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The mechanisms and the reaction products for the oxidation of sulfide ions in the presence of pyrite have been established. When the leach solution contains free sulfide ions, oxidation occurs via electron transfer from the sulfide ion to dissol[...]
Article : texte imprimé
Durga Parajuli, Auteur ;
Kanjana Khunathai, Auteur ;
Chaitanya Raj Adhikari, Auteur
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A tertiary amine type adsorption gel was prepared by the immobilization of dimethylamine onto crosslinked lignophenol (CLP) matrix. This novel product was studied for its adsorption behavior for Au(III), Pd(II), Pt(IV), Cu(II), Zn(II), Ni(II), a[...]
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