| Effect of CaO on Fluorine in the Decomposition of REFCO3 |
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| 引用本文： | 孙树臣 吴志颖 高波 边雪 吴文远 涂赣峰. Effect of CaO on Fluorine in the Decomposition of REFCO3[J]. 中国稀土学报(英文版), 2007, 25(4): 508-511. DOI: 10.1016/S1002-0721(07)60465-7 |
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| 作者姓名： | 孙树臣 吴志颖 高波 边雪 吴文远 涂赣峰 |
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| 作者单位： | School of Materials ＆ Metallurgy, Northeastern University, Shenyang 110004, China |
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| 基金项目： | Project supported by the National Natural Science Foundation of China （50574031） |
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| 摘 要： |
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| 关 键 词： | 氟元素 稀土 化学特性 氧化钙 |
| 文章编号： | 1002-0721（2007）04-0508-04 |
| 收稿时间： | 2006-05-20 |
| 修稿时间： | 2006-05-20 |
Effect of CaO on Fluorine in the Decomposition of REFCO3 |
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| Sun Shuchen,Wu Zhiying,Gao Bo,Bian Xue,Wu Wenyuan,Tu Ganfeng. Effect of CaO on Fluorine in the Decomposition of REFCO3[J]. Journal of Rare Earths, 2007, 25(4): 508-511. DOI: 10.1016/S1002-0721(07)60465-7 |
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| Authors: | Sun Shuchen Wu Zhiying Gao Bo Bian Xue Wu Wenyuan Tu Ganfeng |
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| Affiliation: | School of Materials & Metallurgy, Northeastern University, Shenyang 110004, China |
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| Abstract: | Influence of CaO on thermal decomposition of REFCO3 was studied. The results showed that CaO did not affect significantly the decomposition ratio of REFCO3. The XRD experiment showed that there was a great deal of CaF2 in the masting production, the gas chromatographic analysis on the gas of REFCO3 decomposed, and the 70% content of fluorine in the gas of REFCO3 added 15% CaO was reduced. CaO could absorb the fluorine from the decomposition of REFCO3, and the environmental pollution of the fluorine was greatly alleviated, |
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| Keywords: | CaO REFCO3 content of fluorine rare earths |
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