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| TECHNOLOGY STUDY ON BENIFICIATION OF THE HIGH FERROUS SEDIMENTARY BAUXITE |
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Received:August 16, 2016
Revised:August 23, 2016
Accepted:August 24, 2016
Published Online:June 05, 2017
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| DOI： |
| KeyWord:bauxite; sedimentary; high ferrous; |
| Author | Institution |
| Song Tao |
Kunming Metallurgical Research Institute |
| chen xian mei |
Kunming Metallurgical Research Institute |
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| Abstract: |
| Targeted at high ferrous sedimentary bauxite in Yunnan province, we carried out mineral processing research work. Bauxite ore Al2O3 grade is only 45.58%, SiO2 grade is 8.73%, total Fe 19.78%, A/S is 5.22. In this experiment, based on mineral composition and chemical analysis, the key study is the magnetic separation for removing ferrous and direct flotation of the diaspore minerals to increase A/S. This paper gets the following figures from the experiment: Al2O3 grade in concentrate is 55.38%, Al2O3 recovery rate reaches 69.17%, total Fe 10.73%, A/S is 9.87. The research results of this paper show that, high ferrous sedimentary bauxite can remove ferrous up aluminum down silicon by magnetic separation- flotation process. |
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