| 降低Nd_2O_3中杂质Sm_2O_3的工艺研究 |
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| 引用本文： | 杨桂林,李桂珠,罗永,蒋广霞,赵正堂,马海斌,郭海云,赵华平.降低Nd_2O_3中杂质Sm_2O_3的工艺研究[J].稀土,1998(6). |
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| 作者姓名： | 杨桂林 李桂珠 罗永 蒋广霞 赵正堂 马海斌 郭海云 赵华平 |
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| 作者单位： | 北京有色金属研究总院，平定县锁簧硫酸厂，北京有色金属研究总院稀土中心 |
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| 摘 要： | 在工业生产实践中，对Ｎｄ－Ｓｍ分组采用大捞大洗和加氨水强化萃取分离的工艺方法实现了一步萃取法除去Ｌａ３＋Ｃｅ３＋Ｐｒ３＋Ｎｄ３＋萃余液中Ｓｍ３＋的目的，经六个月运行，产品Ｎｄ２Ｏ３中杂质Ｓｍ２Ｏ３含量稳定在０．０３％以下。
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| 关 键 词： | 萃取 P204 Nd_2O_3 Sm_2O_3 氨水 |
Study of Technology on Removing Impurity Sm 2O 3 from Nd 2O 3 |
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| Yang Guilin,Li Guizhu,Luo Yong,Jiang Guangxia.Study of Technology on Removing Impurity Sm 2O 3 from Nd 2O 3[J].Chinese Rare Earths,1998(6). |
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| Authors: | Yang Guilin Li Guizhu Luo Yong Jiang Guangxia |
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| Abstract: | In industrial operation,impurity Sm 3 containing in raffinate can be directly removed in Nd-Sm separation process by raising flow rate of extractant and scrub solution and introducing aqeous ammonia to strengthen extraction.During six-month operation,the impurity Sm 2O 3 in product Nd 2O 3 was controlled steadily below 0.03 percent |
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| Keywords: | extraction P204 Nd 2O 3 Sm 2O 3 aqeous ammonia |
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