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Journal of Mining and Environment، جلد ۱۲، شماره ۴، صفحات ۱۰۲۹-۱۰۴۰
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عنوان انگلیسی Characterization of Leaching Feed and Residue of Mechanically Activated Sphalerite
چکیده انگلیسی مقاله In this research work, the solubility of sphalerite concentrate due to mechanical activation in planetary ball mill in both the wet and dry modes is investigated, and the parameters of mean particle size, BET specific surface area, SEM, and XRD are analyzed. The results of the particle size analysis and BET specific surface area show that the size of particles for the non-activated sample decrease from 51 to 30 microns but the BET specific surface area increase from 0.17 m2/g to 1.03 m2/g for the residue and feed samples. In the wet and dry mode mechanical activation, the mean particle size and BET specific surface area in the residue samples are reduced relative to the leaching feed. The results of the micro-structure characterization also show that the amorphization of the residue compared to the leaching feed increases in both modes of mechanical activation. The crystallite size and lattice strain of the activated samples in the residue increase and decrease compared to the leaching feed, respectively.
کلیدواژه‌های انگلیسی مقاله Sphalerite, Mechanical Activation, Wet and dry modes, Leaching residue and sample characterization
نویسندگان مقاله R. Aram |
Department of Mining Engineering, Tarbiat Modares University, Tehran, Iran

M. Abdollahi |
Department of Mining Engineering, Tarbiat Modares University, Tehran, Iran

P. Pourghahramani |
Mining Engineering Faculty, Sahand University of Technology, Tabriz, Iran

M. Mohseni |
Department of Mining Engineering, Tarbiat Modares University, Tehran, Iran

A. Khodadadi Darban |
Department of Mining Engineering, Tarbiat Modares University, Tehran, Iran

نشانی اینترنتی http://jme.shahroodut.ac.ir/article_2273_2c50574bdab48849edee2183fbcfce00.pdf
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