New Membrane for Ion Separation
Author Information
Author(s): Xu Shuting, Lin Haibo, Li Guiliang, Han Qiu, Wang Jianqiang, Liu Fu
Primary Institution: Ningbo Institute of Materials Technology & Engineering, Chinese Academy of Sciences
Hypothesis
Can a polycation-modulated strategy improve the ion separation capabilities of covalent organic framework membranes?
Conclusion
The developed membrane shows excellent selectivity for lithium over magnesium ions, achieving a selectivity of 61.6.
Supporting Evidence
- The membrane achieved a selectivity of 61.6 for Li+ over Mg2+.
- The polycation-modulated strategy allows for the creation of angstrom-scale channels.
- The membrane demonstrated excellent operational stability under cross-flow conditions.
Takeaway
Scientists created a special membrane that can separate tiny ions like lithium and magnesium really well, which is important for getting valuable resources from water.
Methodology
A polycation-modulated interfacial polymerization strategy was used to synthesize a heterogeneously charged membrane.
Digital Object Identifier (DOI)
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