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| Test of Desulfurization by Microwave and Digestion of High Sulfur Bauxite |
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Received:June 29, 2010
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| DOI：DOI：10.3969/j.issn.1007-7545.2011.03.007 |
| KeyWord:High sulfur bauxite; Microwave; Desulfurization; Digestion rate |
| Author | Institution |
| LIANG Bai-zhan |
贵州大学材料与冶金学院 |
| CHEN Xiao-hu |
贵州大学材料与冶金学院 |
| FENG He |
贵州大学材料与冶金学院 |
| TANG Xiao-ning |
贵州大学材料与冶金学院 |
| HAN Tao |
贵州大学材料与冶金学院 |
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| Abstract: |
| The effect of heating temperature, heating time and mineral size on sulfur content adopting the process of microwave desulfurization and the digestion performance of bauxite are studied; and according to XRD spectra of raw ore and ore dealt with microwave, the desulfurization mechanism of high sulfur bauxite are also discussed. The results show that sulfur content of high sulfur bauxite decreased to 0.37% from 4.15% in microwave heating temperature 650℃, microwave heating time 5 min, mineral size 0.095~0.076 mm; under experimental conditions, digestion of alumina may be promoted to 98.7% from 80.4%. |
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