| D301—DHDECMP树脂对锕系和镧系元素吸附性能的研究 |
| |
| 引用本文： | 赵焕珍,张海涛.D301—DHDECMP树脂对锕系和镧系元素吸附性能的研究[J].核技术,1997,20(1):34-38. |
| |
| 作者姓名： | 赵焕珍 张海涛 |
| |
| 作者单位： | 西北核技术研究所 |
| |
| 摘 要： | 研究了锕系元素Ａｍ３＋和镧系元素Ｅｕ３＋、Ｎｄ３＋在Ｄ３０１－ＤＨＤＥＣＭＰ树脂上的交换容量、吸附速率及溶液酸度对分配比的影响，并对Ｄ３０１－ＤＨＤＥＣＭＰ树脂吸附Ｅｕ、Ｎｄ前后的红外光谱图作了分析和比较。实验表明：Ｄ３０１－ＤＨＤＥＣＭＰ树脂和ＤＨＤＥＣＭＰ萃取剂在ＨＮＯ３介质中均对锕系和镧系元素具有较强的吸附能力。分配比随着溶液中硝酸浓度的增加而增加，在ＨＮＯ３浓度大于８ｍｏｌ／Ｌ时，分配比有所回落；到１０ｍｏｌ／Ｌ时，再随酸度升高而上升。Ｄ３０１－ＤＨＤＥＣＭＰ树脂对Ａｍ３＋、Ｅｕ３＋、Ｎｄ３＋具有很好的吸附动力学性能，在１ｍｉｎ内即可达到吸附平衡。在酸性介质内对Ｅｕ、Ｎｄ的交换容量分别为０．２８、０．２２ｍｍｏｌ／ｇ干树脂
|
| 关 键 词： | 树脂 锕系元素 镧系元素 吸附 |
Adsorption of D301-DHDECMP resim for lanthanides and actinides |
| |
| Zhao Huanzhen,Zhang Haitao,Jin Yuren,Zhang Lixing.Adsorption of D301-DHDECMP resim for lanthanides and actinides[J].Nuclear Techniques,1997,20(1):34-38. |
| |
| Authors: | Zhao Huanzhen Zhang Haitao Jin Yuren Zhang Lixing |
| |
| Abstract: | Batch experiments show that the D301-DHDECMP resin has a high exchange capacity for Nd 3+ and Eu 3+ and the exchange epuilibrium can be obtained in one minute.The relationship between the distribution coefficient and solution acidity is similar to that of DHDECMP.Infrared spectra and kinetic study show that the bonding sites of the resin are mainly phosphoryl. |
| |
| Keywords: | DHDECMP Chelating resin Lanthanide Actinide |
| 本文献已被 CNKI 维普 等数据库收录！ |
