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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° 9/10. Minerals engineering - Août/Septembre 2009
| Titre : | Minerals engineering : an international journal devoted to innovation and developments in mineral processing and extractive metallurgy, Vol. 22 N° 9/10. Minerals engineering - Août/Septembre 2009 |
| Type de document : | Bulletin |
| Paru le : | 15/11/2009 |
Dépouillements
Article : texte imprimé
A conceptual design for producing 300,000 tpa zinc directly from McArthur River bulk concentrates is presented. It takes into account the availability of natural gas and the associated increasing importance of Darwin as a hub for natural gas fro[...]
Article : texte imprimé
J. Hoang, Auteur ;
M.A. Reuter, Auteur ;
R. Matusewicz, Auteur
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A long history of zinc processing starting with pilot plant studies in the 1980s has progressed to the treatment of close to 800,000 tonnes a year of zinc bearing feeds in Top Submerged Lance (TSL) furnaces in the form of residues and slags. Whe[...]
Article : texte imprimé
M.O. Silvestre, Auteur ;
C.A. Pereira, Auteur ;
R. Galery, Auteur
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This investigation was performed with samples from a lead–zinc sulphide deposit aiming at studying the influence of the dispersion degree of the particles in the pulp on lead and zinc flotation. Samples of ore and also of the minerals sphalerite[...]
Article : texte imprimé
Laboratory testwork, investigating the effect of high chrome grinding media in a lead regrind application has on subsequent metallurgical performance, was conducted at a large silver–lead–zinc operation in Australia. The initial data showed that[...]
Article : texte imprimé
M. Irannajad, Auteur ;
M. Ejtemaei, Auteur ;
M. Gharabaghi, Auteur
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In this paper the effects of sodium sulphide, sodium hexa methaphosphate (SH), sodium fluoric, starch and sodium silicate adsorption on smithsonite, quartz and calcite surfaces at various pH values, and using Armac C and oleic acid as collectors[...]
Article : texte imprimé
Erol Yilmaz, Auteur ;
Mostafa Benzaazoua, Auteur ;
Tikou Belem, Auteur
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The mechanical performance of cemented paste backfill (CPB) placed in underground openings (e.g., mine stopes) often differs from laboratory-predicted performance, even under the same atmospheric curing conditions (ambient temperature and relati[...]
Article : texte imprimé
Marc A. Hampton, Auteur ;
Anh V. Nguyen, Auteur
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Dissolved gases can preferentially accumulate at the hydrophobic solid–water interface as revealed by neutron reflectivity measurements. In this paper, atomic force microscopy (AFM) was used to examine accumulation of dissolved gases at a hydrop[...]
Article : texte imprimé
Shu-hua Ma, Auteur ;
Zong-guo Wen, Auteur ;
Ji-ning Chen, Auteur
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A new environmentally friendly design for low-grade diasporic-bauxite processing which is different from the Bayer and sintering processes was proposed in this paper. In the redesign of alumina production technology, a mixture of bauxite ore and[...]
Article : texte imprimé
G. Deschênes, Auteur ;
C. Xia, Auteur ;
M. Fulton, Auteur
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A cyanidation study was conducted on a mild refractory gold ore sample from the Central zone of Clarence Stream Property, owned by Freewest Resources Canada, to develop a leaching strategy to extract gold. Gold, at a grade of 8.00 g/t, is presen[...]
Article : texte imprimé
Grinding of clinker for cement production is often performed in a two chamber ball mill. In the first shorter chamber, raw feed is ground using media consisting of large balls. The ground product of the first chamber exits through a discharge gr[...]
Article : texte imprimé
Daniel Bennett, Auteur ;
David Miljak, Auteur ;
Joe Khachan, Auteur
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A prototype mineral analyser using magnetic resonance has been configured with two sensors for measurement of the copper sulphide mineral chalcopyrite (CuFeS2) in ores and slurries. In the first configuration, a sensor was optimised to quantify [...]
Article : texte imprimé
Donghui Wei, Auteur ;
Ian K. Craig, Auteur
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Economic performance assessment of control systems is receiving increasing attention in both academia and industry. A relevant framework is proposed in Bauer and Craig (Bauer, M., Craig, I.K., 2008. Economic assessment of advanced process contro[...]
Article : texte imprimé
M. Fall, Auteur ;
J. C. Célestin, Auteur ;
F.S. Han, Auteur
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This study investigates the feasibility of using bentonite-paste tailings (BPT) as a barrier (liner, cover) material for mine waste containment facilities. Improvements of the hydraulic properties are realized by using compaction to densify the [...]
Article : texte imprimé
Changmiao Liu, Auteur ;
Yuehua Hu, Auteur ;
Xuefeng Cao, Auteur
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The flotation behavior of kaolinite was investigated using a series of tertiary amines (DRN, DEN, DPN and DBN). Maximum recoveries of kaolinite were 93%, 88% and 84% for DEN, DPN and DRN, respectively. The recovery for DBN was very low. On the b[...]
Article : texte imprimé
Bin Zhang, Auteur ;
Jie Li, Auteur ;
Qiyuan Chen, Auteur
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The influence of ultrasonic irradiation on precipitation of Al(OH)3 crystals from supersaturated aluminate solution has been investigated under batch condition of isothermal crystallization. The results indicated that, the precipitation rate was[...]
Article : texte imprimé
T.N. Croft, Auteur ;
M. Cross, Auteur ;
A.K. Slone, Auteur
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During the re-configuration of their grate-kiln induration system for the firing of iron ore pellets at the Whyalla Steelworks, caused by a change from an earthy hematite to a magnetite ore with considerably less flux, OneSteel commissioned a de[...]
Article : texte imprimé
F. Azgomi, Auteur ;
C.O. Gomez, Auteur ;
J.A. Finch, Auteur
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Persistence here refers to the how long a frother remains effective in producing small bubbles, one of its prime functions in flotation. One way to evaluate is to track gas holdup over time while air is sparged into a column: if frother is deple[...]
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