Preparation and application of crosslinked polyvinyl alcohol in electrosorption

CHEN Ling; MAO Shudi; ZHANG Yi; LI Zhe; PIAO Xianqing; SUN Zhuo; ZHAO Ran

doi:10.3969/j.issn.1000-5641.201931003

Issue 2

Mar. 2020

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Article Navigation > Journal of East China Normal University (Natural Sciences) > 2020 > (2): 120-130

CHEN Ling, MAO Shudi, ZHANG Yi, LI Zhe, PIAO Xianqing, SUN Zhuo, ZHAO Ran. Preparation and application of crosslinked polyvinyl alcohol in electrosorption[J]. Journal of East China Normal University (Natural Sciences), 2020, (2): 120-130. doi: 10.3969/j.issn.1000-5641.201931003

Citation:

CHEN Ling, MAO Shudi, ZHANG Yi, LI Zhe, PIAO Xianqing, SUN Zhuo, ZHAO Ran. Preparation and application of crosslinked polyvinyl alcohol in electrosorption[J]. Journal of East China Normal University (Natural Sciences), 2020, (2): 120-130. doi: 10.3969/j.issn.1000-5641.201931003

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Preparation and application of crosslinked polyvinyl alcohol in electrosorption

doi: 10.3969/j.issn.1000-5641.201931003

School of Physics and Electronic Science, East China Normal University, Shanghai　200062, China

Received Date: 2019-01-28
Available Online: 2019-12-27
Publish Date: 2020-03-01

Abstract

Abstract

Sulfosuccinic acid (SSA) can be used as a crosslinking agent and a donor of a hydrophilic group when fabricating a cation exchange membrane. In this study, SSA was crosslinked with polyvinyl alcohol to form a cation exchange membrane for a capacitive deionization system. In this study, the impact of manufacturing parameters (i.e., crosslinker content, crosslinking temperature) on the deionization performance of a composite membrane were investigated in detail. A comparison was made between a capacitive deionization system (CDI) without an ion exchange membrane and a membrane capacitive deionization system (MCDI) coated with a PVA/SSA layer. The results show that the adsorption capacity and charge efficiency can be enhanced by 15% and 25%, respectively, with the PVA/SSA membrane layer; furthermore, the optimal mass fraction of SSA is 5%, and the optimal crosslinking temperature is 100 ℃.
- ion-exchange membrane,
- sulfosuccinic acid,
- polyvinyl alcohol composite membrane,
- capacitive deionization

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References(29)

References

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