ArticleChem & bio engineering2025
Redoxable Deep Eutectic Solvent Boosts Recovery Efficiency of Neptunium.
Article in Chem & bio engineering, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed.
- Recent Research Advances in the Application of Deep Eutectic Solvents for the Chemical Processes of the Nuclear Fuel Cycle.Molecules (Basel, Switzerland) · 2026Review
- Efficient Coextraction of U(VI), Np(V), and Pu(IV) Using Tetradentate N‑Heterocyclic Amide-Triazine Extractants.Chem & bio engineering · 2026Article
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8 authors.
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Abstract
Efficient decontamination and recovery of neptunium (Np) are some of the most challenging tasks in nuclear waste management due to the unique redox nature of Np. A feasible path to fulfill this task is converting inextractable Np-(V) to extractable Np-(IV) or Np-(VI), yet it has not been satisfactorily solved, owing to the inefficient valence conversion. Herein, we report the design and synthesis of a novel redoxable deep eutectic solvent (DES) to realize the in situ reduction of Np-(V) in a biphasic extraction system. With the synergistic effects of complexation by a diglycolamide ligand (hydrogen-bonding acceptor) and reduction by phenol (hydrogen-bonding donor), Np-(V) in the aqueous phase can be effectively reduced to Np-(IV) and extracted into the organic phase, affording a 1000-fold increase in distribution ratios. Meanwhile, the DES is well reusable in a wide range of acidic environments, showing potential in real applications.
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