8C-DAPhen ligand and preparation method and application thereof
By preparing 8C-DAPhen ligands, the problem of low separation factors between lanthanides and actinides in existing technologies has been solved, achieving efficient separation of lanthanides and actinides and providing new separation mechanisms and technical support for spent nuclear fuel processing.
CN122255136APending Publication Date: 2026-06-23LANZHOU UNIV
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- LANZHOU UNIV
- Filing Date
- 2026-04-01
- Publication Date
- 2026-06-23
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Figure CN122255136A_ABST
Abstract
The application belongs to the technical field of separation and extraction, and particularly relates to a 8C-DAPhen ligand, a preparation method and application thereof. The method is developed from the design of a ligand molecular structure, and a novel cyclic DAPhen ligand is developed through specific structure design. The ligand has a separation factor (SF Eu / Am ) of more than 600 for lanthanide and actinide elements, and exhibits excellent separation performance. The application provides a new perspective for in-depth understanding of lanthanide and actinide separation mechanism, and provides technical support for establishing an advanced spent nuclear fuel reprocessing system and realizing efficient utilization of minor actinide elements.
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