Minerals engineering : an international journal devoted to innovation and developments in mineral processing and extractive metallurgy, Vol. 23 N° 9. Minerals engineering - Août 2010
| Titre : | Minerals engineering : an international journal devoted to innovation and developments in mineral processing and extractive metallurgy, Vol. 23 N° 9. Minerals engineering - Août 2010 |
| Type de document : | Bulletin |
| Paru le : | 11/12/2011 |
Dépouillements
Article : texte imprimé
F.P. Van der Meer, Auteur ;
A. Gruendken, Auteur
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High pressure grinding roll (“HPGR”) technology is very rapidly gaining a wide acceptance within the mineral processing industry. Benefits, including a superior energy efficiency and a lower overall operating cost of an HPGR based circuit compar[...]
Article : texte imprimé
Wei Sun, Auteur ;
Kui Ouyang, Auteur ;
Limin Zhang, Auteur
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Hydrolyzate of hogwash oil (HHO) was prepared at ambient pressure using hogwash oil that was collected from the dietary industry as a raw material by means of non-pressurized multistage hydrolyzation. Before hydrolyzation, the collected hogwash [...]
Article : texte imprimé
Ye Chen, Auteur ;
Jianhua Chen, Auteur
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The adsorption of CN on sphalerite (1 1 0) surface and the effects of lattice impurities on the surface adsorption have been investigated using density-functional theory (DFT). The results show that CN adsorbs strongly on perfect sphalerite (1 1[...]
Article : texte imprimé
Mine Özdemir, Auteur ;
İlker Kıpçak, Auteur
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A two-step process for boron recovery from borax sludge is proposed in the present work. The borax sludge was leached with sulphuric acid solution. Then, for the removal of alkaline species from the leachate, calcium and magnesium were precipita[...]
Article : texte imprimé
Qingyou Liu, Auteur ;
Heping Li, Auteur
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Electrochemical behaviors of pyrite and chalcopyrite were studied by measuring polarization curves and electrochemical impedance spectroscopy (EIS) in a NaCl solution at room temperature and under differential stress. The results from differenti[...]
Article : texte imprimé
Xiyun Yang, Auteur ;
Michael S. Moats, Auteur ;
Jan D. Miller, Auteur
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The mechanism of gold dissolution in acidic thiourea (Tu) solutions was investigated using cyclic voltammetry (CV), electrochemical impedance spectroscopy (EIS) and linear sweep voltammetry (LSV). CV over the potential range of −0.3 to 0.75 V vs[...]
Article : texte imprimé
Jie Wu, Auteur ;
Lachlan Graham, Auteur ;
Steven Wang, Auteur
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Slurry suspension in holding tanks and transport through pipelines are essential elements in the modern mining and mineral processing industry. This paper presents methods to improve the energy efficiency of solids suspension in tanks and slurry[...]
Article : texte imprimé
Mohammad Kor, Auteur ;
Emad Abkhoshk, Auteur ;
Daniel Tao, Auteur
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This study evaluated the potential of fuzzy logic as an alternative method to the traditional statistical regression techniques, which were employed in a previous publication (Chen et al., 2006), for predicting the wear rate of high chromium all[...]
Article : texte imprimé
Jian Tang, Auteur ;
Li-jie Zhao, Auteur ;
Jun-wu Zhou, Auteur
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Real-time measurement of the mill load is the key to improve the production capacity and energy efficiency for the grinding process. In this paper, experimental analysis of the wet mill load based on the vibration signals of the laboratory-scale[...]
Article : texte imprimé
Chandra Sekhar Gahan, Auteur ;
Jan-Eric Sundkvist, Auteur ;
Åke Sandström, Auteur
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The cost of lime/limestone for neutralisation is the second largest operating cost in bioleaching. Therefore, these studies have been conducted with the aim to investigate the possibilities for use of by-products such as mesalime and electric ar[...]
Article : texte imprimé
Hailey S. Reynolds, Auteur ;
Rahul Ram, Auteur ;
Fiona A. Charalambous, Auteur
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Uranium bearing ores are often a complex mixture of minerals and compounds, a number of which are not of economic importance and are commonly referred to as gangue materials. In order to improve the efficiency of the dissolution stage of the ove[...]
Article : texte imprimé
Adam J. Fischmann, Auteur ;
David G. Dixon, Auteur
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Recovery of aqueous copper(II) onto a chalcopyrite concentrate was shown to be rapid at 60 °C in the presence of S(IV), in this case sulfite. Surprisingly, rather than partial conversion of chalcopyrite to a copper sulfide such as chalcocite or [...]
Article : texte imprimé
O.Y. Toraman, Auteur ;
S. Kahraman, Auteur ;
S. Cayirli, Auteur
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To investigate the possibility of predicting the crushability of rocks from impact strength index, twenty-four different rock types were tested in the laboratory. The crushability results were correlated with the results of impact strength test [...]
Article : texte imprimé
Ehsan Zolfonoun, Auteur ;
Akbar Boveiri Monji, Auteur ;
Mohammad Taghizadeh, Auteur
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A new method for extraction of zirconium from leach liquor of zircon concentrate is proposed. The procedure is based on the adsorption of Zr(IV) ions on rice bran. The sorption capacity of the biomass for zirconium is 50 mg g−1. Adsorption equil[...]
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