模板诱导的铀酰羧酸配位化合物的合成、表征及其在核燃料循环系统中的应用

作为一种重要的核材料，铀在核工业中具有举足轻重的作用。在核燃料循环过程中，即：铀矿的开采、提炼、浓缩、燃料元件的制造、乏燃料中铀钚分离以及最终的废物处置，均涉及到铀与相关配体的相互作用。运用晶体学的方法研究铀酰与这类配体的相互作用，有助于理解铀在核燃料过程中以及在环境中的行为，并为理解其它污染物在环境中的行为提供帮助。 本项目通过铀酰离子、羧酸根、合适的阳离子模板、以及其它的共配体构筑块，设计、组装和制备铀酰配位化合物，探索和研究其制备条件、结构特点及其在核燃料循环和环境中的行为特点，探讨其潜在的应用价值。

Uranium, as a nuclear material, plays an important role in nuclear industry. In nuclear fuel cycle, many complicated processes are involved, including uranium ore mining, extracting and concentrating, fabrication of fuel elements, separation of uranium and plutonium from spent fuel, and disposition of radioactive waste. In these processes, reactions between uranium and corresponding ligands should be considered. Crystallographic methods can be applied to study interactions between uranyl and these ligands. This is helpful for researchers to understand behavior of uranium and other pollutants in nuclear fuel cycle and ambient environment. This project is planned to design and synthesize uranyl coordination compounds via uranyl ions, carboxylate ligands, suituable cationic templates and other coligating building blocks, and explore synthesis conditions, structural characterizations, characteristics of behaviour and potential applications in nuclear fuel cycle and environment.