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Acyl thioacetamide-group chelated nanofiber to adsorb silver ions from aqueous systems

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Abstract

The acyl thioacetamide-group chelated nanofiber was prepared from polyacrylonitrile(PAN) fiber with thioacetamide as vulcanization agent by an electrospinning process combined with chemical modification. It was found that the chelated nanofiber displays a high adsorption capacity and adsorption selectivity for Ag(I) ions from aqueous systems. The adsorption capacity of Ag(I) ions on chelated nanofiber increases with the increase of adsorption time. Kinetics of the Ag(I) ions adsorption was found to follow pseudo-second-order rate equation. Based on the characterization results, a possible mechanism of Ag(I) ions adsorbed on the acyl thioacetamide-group chelated nanofiber was proposed. The chelated nanofiber could not only chelate to Ag(I) ions but also reduce them. This study provides a promising nanofiber material for removing heavy metal ions.

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Authors and Affiliations

  1. Alan G. MacDiarmid Institute, College of Chemistry, Jilin University, Changchun, 130012, P. R. China

    Chengcheng Zhang, Xiang Li, Tian Zheng, Rui Zhao & Ce Wang

  2. Key Laboratory of Engineering Dielectrics and Its Application, Ministry of Education, Harbin University of Science and Technology, Harbin, 150080, P. R. China

    Chengcheng Zhang

Authors
  1. Chengcheng Zhang
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  2. Xiang Li
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  3. Tian Zheng
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  4. Rui Zhao
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  5. Ce Wang
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Corresponding author

Correspondence to Xiang Li.

Additional information

Supported by the National Natural Science Foundation of China(Nos.21274052, 51303060) and the Science and Technology Department Project of Jilin Province, China(No.20130206064GX).

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Zhang, C., Li, X., Zheng, T. et al. Acyl thioacetamide-group chelated nanofiber to adsorb silver ions from aqueous systems. Chem. Res. Chin. Univ. 30, 685–689 (2014). https://doi.org/10.1007/s40242-014-4190-z

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  • DOI: https://doi.org/10.1007/s40242-014-4190-z

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