一种从铀及镧系元素混合物中分离制备铀及镧系元素的方法
By using a silica gel stationary phase containing hydrophobic groups and ion exchange or chelating groups, along with organic acid eluents, efficient separation of uranium and lanthanides on a single chromatographic column was achieved, solving the problems of low separation efficiency and complex equipment in existing technologies, and obtaining high-purity products.
CN117845052BActive Publication Date: 2026-07-17DALIAN INSTITUTE OF CHEMICAL PHYSICS CHINESE ACADEMY OF SCIENCES
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- DALIAN INSTITUTE OF CHEMICAL PHYSICS CHINESE ACADEMY OF SCIENCES
- Filing Date
- 2022-09-30
- Publication Date
- 2026-07-17
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Figure CN117845052B_ABST
Abstract
本发明提供了一种从铀及镧系元素混合物中分离制备铀及镧系元素的方法，具体为在色谱法的基础上，采用含有疏水性基团且同时具有离子交换基团或特定离子螯合官能团的硅胶作为固定相制备单根色谱柱，使用有机酸或无机酸溶液作为淋洗剂即可对铀及镧系元素混合水溶液进行同步分离纯化，制备高纯铀及镧系元素；同时通过色谱柱后安装三通阀分流少部分流出液用于检测器检测，可实现实时成分监测。整个色谱分离过程操作简便，自动化程度高，监测准确度高，在铀及镧系元素的制备分离上有很好的应用前景。
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