Minerals engineering : an international journal devoted to innovation and developments in mineral processing and extractive metallurgy, Vol. 23 N° 4. Minerals engineering - Mars 2010
| Titre : | Minerals engineering : an international journal devoted to innovation and developments in mineral processing and extractive metallurgy, Vol. 23 N° 4. Minerals engineering - Mars 2010 |
| Type de document : | Bulletin |
| Paru le : | 11/12/2011 |
Dépouillements
Article : texte imprimé
Jungah Kim, Auteur ;
Gjergj Dodbiba, Auteur ;
Hideaki Tanno, Auteur
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With the continuous depletion of high-grade nickel ores such as millerite and niccolite, nickeliferous laterites have become the major source for the production of nickel metal. However, only 42% of the world’s production of nickel comes from la[...]
Article : texte imprimé
J. Dueck, Auteur ;
E. Pikushchak, Auteur ;
L. Minkov, Auteur
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In hydrocyclones, the particle separation efficiency is limited by the suspended fine particles, which are discharged with the coarse product in the underflow. It is well known that injecting water in the conical part of the cyclone reduces the [...]
Article : texte imprimé
M.A. Hararah, Auteur ;
E. Endres, Auteur ;
J. Dueck, Auteur
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The geometry and movement of the air core are sensitive indicators of the operational state of hydrocyclones. Therefore, an increased knowledge of the air core behaviour is desirable.
Measurements of the air-core diameter in transparent hydrocy[...]
Article : texte imprimé
K. J. Dong, Auteur ;
S. B. Kuang, Auteur ;
A. Vince, Auteur
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This paper presents a numerical study of the multiphase flow in an in-line pressure jig (IPJ), which is a high yield and high recovery gravity separation device widely used in ore processing but may have potential in coal preparation. The mathem[...]
Article : texte imprimé
Jean-Sébastien Kroll-Rabotin, Auteur ;
Florent Bourgeois, Auteur ;
Éric Climent, Auteur
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Enhanced gravity separators are widely used in mineral beneficiation, as their superior gravity field enables them to separate particles within narrow classes of density and size. This study aims to shed light on the Falcon concentrator’s abilit[...]
Article : texte imprimé
M.G. Farghaly, Auteur ;
V. Golyk, Auteur ;
G.A. Ibrahim, Auteur
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In hydrocyclones, the classification efficiency is limited by the fines, which are discharged together with the water in the underflow. It is well known that the injection of water in the conical portion of the cyclone reduces the fines in the u[...]
Article : texte imprimé
K. P. Galvin, Auteur ;
J. Zhou, Auteur ;
K. Walton, Auteur
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This paper is concerned with the gravity separation of fine particles in a Reflux Classifier, a fluidized bed device with a system of parallel inclined channels located above. A significant advance is reported here over what was previously possi[...]
Article : texte imprimé
K. P. Galvin, Auteur ;
A.M. Callen, Auteur ;
S. Spear, Auteur
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A comprehensive study examining the potential of the Reflux Classifier to be applied to the beneficiation of coarser coal up to 8 mm in size was undertaken. It was demonstrated that efficient combustible recovery and control of the separation de[...]
Article : texte imprimé
G. R. Ballantyne, Auteur ;
P.N. Holtham, Auteur
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Comminution is an energy intensive process, accounting for approximately 29% of total mining energy (Tromans, 2008). Better liberation at coarser size ranges (0.5–2 mm) has been identified by the minerals industry as an opportunity for energy co[...]
Article : texte imprimé
Majdala Mansour-Geoffrion, Auteur ;
Peter L. Dold, Auteur ;
Daniel Lamarre, Auteur
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Typically, 15–45% of the mixed liquor (sludge) in biological wastewater treatment plants (WWTPs) consists of inorganic (fixed) suspended solids. A portion of these inorganic compounds is grit (sand) originating from the influent. Grit accumulati[...]
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