AI Article Synopsis
- The study focuses on the importance of radiocesium remediation for ecological safety, human health, and sustainable nuclear energy development.
- Researchers have developed a robust material, KInSnS (InSnS-1), which effectively captures cesium (Cs) from strongly acidic solutions, overcoming challenges related to material stability and competition from protons.
- The material not only has a high capacity for Cs adsorption but also serves in ion exchange processes; its selective adsorption mechanisms have been analyzed using single-crystal structure techniques.
Article Abstract
Radiocesium remediation is desirable for ecological protection, human health and sustainable development of nuclear energy. Effective capture of Cs from acidic solutions is still challenging, mainly due to the low stability of the adsorbing materials and the competitive adsorption of protons. Herein, the rapid and highly selective capture of Cs from strongly acidic solutions is achieved by a robust K-directed layered metal sulfide KInSnS (InSnS-1) that exhibits excellent acid and radiation resistance. InSnS-1 possesses high adsorption capacity for Cs and can serve as the stationary phase in ion exchange columns to effectively remove Cs from neutral and acidic solutions. The adsorption of Cs and HO is monitored by single-crystal structure analysis, and thus the underlying mechanism of selective Cs capture from acidic solutions is elucidated at the molecular level.
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|---|---|
| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC8813942 | PMC |
| http://dx.doi.org/10.1038/s41467-022-28217-8 | DOI Listing |
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