Comparative investigation between parallel and perpendicular combination matrices in high gradient magnetic separation
Received:November 05, 2015   Revised:November 05, 2015   Accepted:November 06, 2015      Published Online:August 31, 2016
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KeyWord:Pulsating;high gradient;magnetic separation, Combinative;rod matrix, Rods;combination, Hematite;ore
           
AuthorInstitution
You Zhicheng Faculty of Land Resources Engineering,Kunming University of Science and Technology
Chen Luzheng Faculty of Land Resources Engineering,Kunming University of Science and Technology
Liu Wenbo Faculty of Land Resources Engineering,Kunming University of Science and Technology
Zheng Yongming Faculty of Land Resources Engineering,Kunming University of Science and Technology
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Abstract:
      With Slice Matrix Analysis method, the high gradient magnetic separation performances for a fine hematite ore assaying 38.10% Fe are comparatively investigated between parallel and perpendicular combinations for rod elements in rod matrix, to study the effect of rods combination on the separation performance. The results of investigation indicate that the combinative rod matrix consisting of different diameter rod elements achieves a simultaneous selectivity for coarse and fine magnetic particles, improving the separation performance, and the more deeply are the rod elements combined, the more the performance is improved. The parallel and perpendicular combinations showed different separation characteristics, and the perpendicular one has a higher capture probability for magnetic particles and an increased inclusion for intergrowths and gangues, resulting in improved concentrate mass and iron recovery with deterioration in concentration grade.
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