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      Metal adsorption by quasi cellulose xanthogenates derived from aquatic and terrestrial plant materials

      Zhou, Wenbing; Ge, Xuan; Zhu, Duanwei; Langdon, Alan; Deng, Li; Hua, Yumei; Zhao, Jianwei
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      Metal adsorption.pdf
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      DOI
       10.1016/j.biortech.2010.11.035
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      Zhou, W., Ge, X., Zhu, D., Langdon, A., Deng, L., …, Zhao, J. (2011). Metal adsorption by quasi cellulose xanthogenates derived from aquatic and terrestrial plant materials. Bioresource Technology, 102(3), 3629-3631.
      Permanent Research Commons link: https://hdl.handle.net/10289/4822
      Abstract
      The FTIR spectra, SEM-EDXA and copper adsorption capacities of the raw plant materials, alkali treated straws and cellulose xanthogenate derivatives of Eichhornia crassipes shoot, rape straw and corn stalk were investigated. FTIR spectra indicated that of the three plant materials, the aquatic biomass of Eichhornia crassipes shoot contained more O-H and C=O groups which accounted for the higher Cu²⁺ adsorption capacities of the raw and alkali treated plant material. SEM-EDXA indicated the incorporation of sulphur and magnesium in the cellulose xanthogenate. The Cu²⁺ adsorption capacities of the xanthogenates increased with their magnesium and sulphur contents. However more copper was adsorbed than that can be explained by exchange of copper with magnesium. Precipitation may contribute to the enhanced uptake of copper by the cellulose xanthogenate.
      Date
      2011
      Type
      Journal Article
      Publisher
      Elsevier
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      • Science and Engineering Papers [3124]
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