Highly Efficient and Selective Dissolution Separation of Fission Products by an Ionic Liquid [Hbet][Tf2N]: A New Approach to Spent Nuclear Fuel Recycling
Highly Efficient and Selective Dissolution Separation of Fission Products by an Ionic Liquid [Hbet][Tf2N]: A New Approach to Spent Nuclear Fuel Recycling
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DOI：
10.1021/acs.inorgchem.8b02783
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发表时间：
2019-01-07
影响因子：
4.6
通讯作者：
Feng, Xiao-Gui
中科院分区：
文献类型：
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作者：
Fan, Fang-Li;Qin, Zhi;Feng, Xiao-Gui
在这里，我们建议使用羧基官能化的离子液体，[Hbet] [Tf 2N]，从乏核燃料中分离裂变产物。这种创新的方法可以选择性地溶解中子毒物、镧系元素氧化物以及一些高产量的裂变产物，将大部分UO2基质和少量锕系元素留在乏核燃料中，并作为一个组完成锕系元素的回收。水饱和的[Hbet] [Tf2N]可以溶解模拟乏核燃料中的镧系氧化物，在40 ℃时溶解率为100%。然而，铀的溶解几乎可以忽略不计（
Here, we propose the use of carboxyl-functionalized ionic liquid, [Hbet] [Tf2N], to separate the fission products from spent nuclear fuels. This innovative method allows the selective dissolution of neutron poisons, lanthanides oxide, as well as some fission products with high yield, leaving most of the UO2 matrix and minor actinides behind in the spent nuclear fuel and accomplishing the actinides recovery as a group. Water-saturated [Hbet] [Tf2N] can dissolve lanthanides oxide from simulated spent nuclear fuel with a dissolution ratio of 100% at 40 degrees C. However, the dissolution of uranium is almost negligible (