Minerals engineering : an international journal devoted to innovation and developments in mineral processing and extractive metallurgy, Vol. 23 N° 3. Minerals engineering - Fevrier 2010
| Titre : | Minerals engineering : an international journal devoted to innovation and developments in mineral processing and extractive metallurgy, Vol. 23 N° 3. Minerals engineering - Fevrier 2010 |
| Type de document : | Bulletin |
| Paru le : | 11/12/2011 |
Dépouillements
Article : texte imprimé
Antoinette Van Schaik, Auteur ;
Markus A. Reuter, Auteur ;
Hein Van Stokkom, Auteur
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The European Water Framework Directive (EWFD) demands a detailed analysis to determine which changes and measures within the surface water system are required, which actors require detailed scrutiny, and which technology has to be developed in o[...]
Article : texte imprimé
G.D. Corder, Auteur ;
B.C. McLellan, Auteur ;
S. Green, Auteur
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Throughout the conceptualisation, development, operation and eventual decommissioning of mineral resources projects, there is a wide range of opportunities to contribute to sustainable development (SD). Although some individual organisations hav[...]
Article : texte imprimé
J. L. Broadhurst, Auteur ;
J.G. Petrie, Auteur
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The overall environmental performance of minerals beneficiation operations, in addition to their significant energy demand, is largely a function of the success or failure of waste management strategies to minimise the long-term impacts associat[...]
Article : texte imprimé
Antoinette Van Schaik, Auteur ;
Markus A. Reuter, Auteur
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E-waste covers a wide range of products as well as dismantled and/or sorted components originating from these. Being able to predict the flow of materials and recycling performance for different E-waste types requires a fundamental and flexible [...]
Article : texte imprimé
Kyle Mason-Jones, Auteur ;
Harro Von Blottnitz, Auteur
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The use and disposal of nickel–cadmium secondary cells (the basic components of NiCd batteries) in Cape Town, South Africa, has been investigated with the objective of quantifying the associated flows of cadmium. Small sealed cells were found to[...]
Article : texte imprimé
Kyoungkeun Yoo, Auteur ;
Shun-Myung Shin, Auteur ;
Dong-Hyo Yang, Auteur
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Wastewater produced during recycling of spent lithium primary battery was biologically treated with Acidithiobacillus ferrooxidans to decrease the pH and metal concentration. Since the wastewater contains high concentrations of Cr, Ni, and Li, t[...]
Article : texte imprimé
A.H. Hesketh, Auteur ;
J. L. Broadhurst, Auteur ;
S.T.L. Harrison, Auteur
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Acid mine drainage (AMD) is one of the most serious and pervasive challenges facing the minerals industry. Current philosophy in sulfide tailings management takes an end-of-pipe approach which is yet to be shown to be sufficient to prevent post-[...]
Article : texte imprimé
E.M. Opiso, Auteur ;
T. Sato, Auteur ;
K. Morimoto, Auteur
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The release of toxic anions during the chemical weathering of alkaline wastes such as blast furnace slag and coal fly ash presents a serious problem to public health and the environment. This study investigated arsenate sorption behavior onto Mg[...]
Article : texte imprimé
Carlito B. Tabelin, Auteur ;
Toshifumi Igarashi, Auteur ;
Shuichi Tamoto, Auteur
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This paper describes the factors affecting arsenic (As) mobility from hydrothermally altered rock under in situ conditions. Four impoundments were built on site with rectangular base, truncated-pyramid structures. Impoundment 1 was composed sole[...]
Article : texte imprimé
J.C.S.S. Menezes, Auteur ;
R.A. Silva, Auteur ;
I. S. Arce, Auteur
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The aim of this work was to produce a poly-alumino-iron sulphate coagulant from acidic coal mine drainage. Precipitating the iron and aluminium at pH 5.0, followed by dissolution in sulphuric acid, produced a coagulant consisting of 8.7% iron an[...]
Article : texte imprimé
Godfrey Madzivire, Auteur ;
Leslie F. Petrik, Auteur ;
Wilson M. Gitari, Auteur
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South African power stations generate large amounts of highly alkaline fly ash (FA). This waste product has a serious impact on the environment. Acid mine drainage (AMD) is another environmental problem associated with mining. AMD has high heavy[...]
Article : texte imprimé
L.J. Moitsheki, Auteur ;
R.H. Matjie, Auteur ;
A. Baran, Auteur
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Sasol utilizes a low-rank bituminous coal for steam and synthetic gas production. The ash produced is transported by water for further processing. Understanding the chemistry of coal and the resulting ash properties would allow a better understa[...]
Article : texte imprimé
Industrial mineral carbonation of alkaline wastes, an increasingly promising component of carbon capture and storage, may play an important role as a CO2 mitigation strategy in the context of climate change. Steelmaking slags are of particular i[...]
Article : texte imprimé
Mariana Coutinho Brum, Auteur ;
Jefferson Leixas Capitaneo, Auteur ;
José Farias Oliveira, Auteur
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The utilization of organoclays as adsorbents in the remediation of polluted water has been the subject of many recent research studies. In the present work, the adsorption of hexavalent chromium onto montmorillonite modified by the cationic surf[...]
Article : texte imprimé
Farzin Arianpour, Auteur ;
Faramarz Kazemi, Auteur ;
Farhad Golestani Fard, Auteur
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This paper aims to report the results of some investigations carried out in Iranian steel industries to reuse the spent magnesia graphite refractory bricks in the forms of the new shaped and unshaped magnesia refractories. Economical aspects of [...]
Article : texte imprimé
Luciene V. Resende, Auteur ;
Carlos A. Morais, Auteur
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This paper describes the study of the coating powder leaching from computer monitors scraps with the view to obtain a liquor which can be treated by hydrometallurgical techniques to purify the metals studied. The technological development observ[...]
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