| 微波煅烧重铀酸铵制备U3O8工艺研究 |
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| 引用本文： | 刘秉国,彭金辉,黄代富,张利波,胡锦明,张泽彪,孔冬成,郭胜惠,李春湘.微波煅烧重铀酸铵制备U3O8工艺研究[J].原子能科学技术,2011,45(5):523-527. |
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| 作者姓名： | 刘秉国 彭金辉 黄代富 张利波 胡锦明 张泽彪 孔冬成 郭胜惠 李春湘 |
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| 作者单位： | 1.昆明理工大学 ;冶金与能源工程学院, ;云南 ;昆明650093；2.昆明理工大学 ;非常规冶金教育部重点实验室，云南 ;昆明650093；3.中核集团二七二铀业有限公司，湖南 ;衡阳421002 |
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| 基金项目： | 国家自然科学基金，云南省科技计划资助项目，昆明理工大学分析测试基金 |
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| 摘 要： | 基于重铀酸铵在微波场中的升温特性，研究了微波煅烧重铀酸铵制备八氧化三铀的新工艺。探讨了微波功率、微波加热时间及物料量等因素对八氧化三铀产品中总铀和U4+含量的影响规律。研究结果表明，微波功率和微波加热时间对八氧化三铀产品中总铀和U4+含量的影响显著。在本实验范围内，微波煅烧重铀酸铵制备八氧化三铀的最佳工艺条件为：微波功率700 W，微波加热时间10min，物料量60g。在最佳工艺条件下，八氧化三铀产品中总铀和U4+含量分别为84.62%和28.74%，其产品质量满足后续工序要求。微波煅烧重铀酸铵制备八氧化三铀是可行的。
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| 关 键 词： | 微波 重铀酸铵 升温特性 煅烧 八氧化三铀 |
Technology to Prepare for U308 by Calcinations From Ammonium Diuranate in Microwave Fields |
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| LIU Bing-guo,PENG Jin-hui,HUANG Dai-fu,ZHANG Li-bo,HU Jin-ming,ZHANG Ze-biao,KONG Dong-cheng,GUO Sheng-hui,LI Chun-xiang.Technology to Prepare for U308 by Calcinations From Ammonium Diuranate in Microwave Fields[J].Atomic Energy Science and Technology,2011,45(5):523-527. |
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| Authors: | LIU Bing-guo PENG Jin-hui HUANG Dai-fu ZHANG Li-bo HU Jin-ming ZHANG Ze-biao KONG Dong-cheng GUO Sheng-hui LI Chun-xiang |
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| Affiliation: | 1.Faculty of Metallurgy and Energy Engineering, Kunming University of Science and Technology, Kunming 650093， China；2.Key Laboratory of Unconventional Metallurgy, Ministry of Education, Kunming University of Science and Technology, Kunming 650093， China； 3.No.272 Nuclear Industry Factory, China National Nuclear Corporation, Hengyang 421002， China |
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| Abstract: | Base on the temperature rise characteristics,the technology to prepare for U3O8 by calcinations from ammonium diuranate was optimized in microwave fields.The effects of microwave heating power,heating time,and mass of sample on the contents of total uranium and U4+ in U3O8 were investigated.The results show that microwave heating power and heating time significantly affect the contents of total uranium and U4+ in U3O8.The optimal calcination conditions in range of experiments are as follows: Microwave heati... |
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| Keywords: | microwave ammonium diuranate temperature rise characteristics calcination U3O8 |
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