| 用真空蒸馏法提纯粗硒的研究 |
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| 引用本文： | 万雯,杨斌,刘大春,刘永成,杜国山,唐万启,刘媛媛.用真空蒸馏法提纯粗硒的研究[J].昆明理工大学学报(理工版),2006,31(3):26-28. |
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| 作者姓名： | 万雯 杨斌 刘大春 刘永成 杜国山 唐万启 刘媛媛 |
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| 作者单位： | 昆明理工大学,真空冶金及材料研究所,云南,昆明,650093 |
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| 摘 要： | 从理论上分析了采用真空蒸馏的方法将粗硒提纯除杂的可行性和规律性.通过小型实验考察了蒸馏温度和时间两个因素对提纯效果的影响.确定最佳工艺条件为:蒸馏温度483 K,蒸馏时间20 m in.可获得硒的品位为99%以上.
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| 关 键 词： | 硒 真空蒸馏 饱和蒸汽压 |
| 文章编号： | 1007-855X(2006)03-0026-03 |
| 收稿时间： | 2005-05-13 |
| 修稿时间： | 2005年5月13日 |
Study on Obtaining Pure Selenium by Vacuum Distillation |
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| WAN Wen,YANG Bin,LIU Da-chun,LIU Yong-chen,DU Guo-shan,TANG Wan-qi,LIU Yuan-yuan.Study on Obtaining Pure Selenium by Vacuum Distillation[J].Journal of Kunming University of Science and Technology(Natural Science Edition),2006,31(3):26-28. |
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| Authors: | WAN Wen YANG Bin LIU Da-chun LIU Yong-chen DU Guo-shan TANG Wan-qi LIU Yuan-yuan |
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| Affiliation: | Research Institute of Vacuum Metallurgy and Materials, Kunming University of Science and Technology, Kunming 650093, China |
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| Abstract: | A new technique has been researched on the feasibility and regularity for removing impurities from rude selenium by vacuum distillation in theory analysis.The influence of distillation temperature and time on the effect of purifying selenium is investigated by diminutive experiments.The optimal technical condition is achieved as following: distillation temperature is 483K and distillation time is 20 min.Results show that the content of selenium is more than 99%. |
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| Keywords: | selenium vacuum distillation saturation vapor pressure |
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