Enrichment of Titanium from Panzhihua Mine Tailings

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Abstract:

Relative percentage content of Fe in tailings decreased from 15.92% to 10.71% after treated by using sulfuric acid mixed with oxalic acid at 350K for 60 min. And the relative content of Si decreased from 16.3% to 11.9% after treated by molten sodium hydroxide at 1073K for 30 min. Titanium content increased from 6.315% (original tailings) to 8.512% after removed Fe, and continued to go up to 10.44% after removed Si. The contents of Ca, P and Mn were slightly changed in entire enrichment process by XRF analysis. The phase change of the entire process was studied by XRD, and results indicated that tailings had very complex phases, and after removed Si the phase of tailings partly changed into FeTiO3.

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Periodical:

Advanced Materials Research (Volumes 1030-1032)

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69-72

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September 2014

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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