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Study on the cyclic adsorption performance of biomass composite membrane for Hg(II).

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Title: Study on the cyclic adsorption performance of biomass composite membrane for Hg(II).
Authors: Zhao, Bai-yun1 (AUTHOR), Yang, Xing-lin1 (AUTHOR), Liu, Xiao-Kai1 (AUTHOR), Shi, Qi1 (AUTHOR), Liu, Yan-Rong1 (AUTHOR), Wang, Li1 (AUTHOR) wlndcl@126.com
Source: Environmental Technology. Nov2023, Vol. 44 Issue 25, p3777-3790. 14p.
Subject Terms: *Mercury (Element), *Adsorption (Chemistry), Composite membranes (Chemistry), Hydrogels, Fourier transform infrared spectroscopy, Porosity, Thermogravimetry, Adsorption kinetics
Abstract: Salix psammophila wood flour /polyvinyl alcohol hydrogel composite membrane (SPPM) with high adsorption capacity and good cycle adsorption performance was prepared by wet spinning technology. The SPPM was characterised by the scanning electron microscope (SEM), specific surface area test (BET), energy dispersive spectrum (EDS) thermal gravimetric analysis (TGA), fourier transform infrared spectroscopy (FT-IR), and x-ray photoelectron spectroscopy (XPS). The results showed that the surface of SPPM is rough and porous, with good pore structure and thermal stability, and mercury ions (Hg(II)) have been successfully adsorbed on SPPM. At the same time, the effects of adsorption conditions (Hg(II) initial concentration, pH, adsorption time, and temperature) on the adsorption performance of SPPM were studied. Results from the adsorption experiment showed that the adsorption capacity of SPPM for Hg(II) can reach 426 mg/g. After four adsorption and desorption experiments, the adsorption capacity can reach 375 mg/g, which indicates that SPPM has good cycle adsorption performance. The adsorption kinetics was better described by the Pseudo-second-order kinetic, and their adsorption isotherms were fitted for the Langmuir model. The obtained results showed that SPPM is an available, economical adsorbent and was found suitable for removing Hg(II) from an aqueous solution. [ABSTRACT FROM AUTHOR]
Copyright of Environmental Technology is the property of Taylor & Francis Ltd and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Label: Title
  Group: Ti
  Data: Study on the cyclic adsorption performance of biomass composite membrane for Hg(II).
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  Data: <searchLink fieldCode="AR" term="%22Zhao%2C+Bai-yun%22">Zhao, Bai-yun</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Yang%2C+Xing-lin%22">Yang, Xing-lin</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Liu%2C+Xiao-Kai%22">Liu, Xiao-Kai</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Shi%2C+Qi%22">Shi, Qi</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Liu%2C+Yan-Rong%22">Liu, Yan-Rong</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Wang%2C+Li%22">Wang, Li</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> wlndcl@126.com</i>
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  Data: <searchLink fieldCode="JN" term="%22Environmental+Technology%22">Environmental Technology</searchLink>. Nov2023, Vol. 44 Issue 25, p3777-3790. 14p.
– Name: Subject
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  Data: *<searchLink fieldCode="DE" term="%22Mercury+%28Element%29%22">Mercury (Element)</searchLink><br />*<searchLink fieldCode="DE" term="%22Adsorption+%28Chemistry%29%22">Adsorption (Chemistry)</searchLink><br /><searchLink fieldCode="DE" term="%22Composite+membranes+%28Chemistry%29%22">Composite membranes (Chemistry)</searchLink><br /><searchLink fieldCode="DE" term="%22Hydrogels%22">Hydrogels</searchLink><br /><searchLink fieldCode="DE" term="%22Fourier+transform+infrared+spectroscopy%22">Fourier transform infrared spectroscopy</searchLink><br /><searchLink fieldCode="DE" term="%22Porosity%22">Porosity</searchLink><br /><searchLink fieldCode="DE" term="%22Thermogravimetry%22">Thermogravimetry</searchLink><br /><searchLink fieldCode="DE" term="%22Adsorption+kinetics%22">Adsorption kinetics</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Salix psammophila wood flour /polyvinyl alcohol hydrogel composite membrane (SPPM) with high adsorption capacity and good cycle adsorption performance was prepared by wet spinning technology. The SPPM was characterised by the scanning electron microscope (SEM), specific surface area test (BET), energy dispersive spectrum (EDS) thermal gravimetric analysis (TGA), fourier transform infrared spectroscopy (FT-IR), and x-ray photoelectron spectroscopy (XPS). The results showed that the surface of SPPM is rough and porous, with good pore structure and thermal stability, and mercury ions (Hg(II)) have been successfully adsorbed on SPPM. At the same time, the effects of adsorption conditions (Hg(II) initial concentration, pH, adsorption time, and temperature) on the adsorption performance of SPPM were studied. Results from the adsorption experiment showed that the adsorption capacity of SPPM for Hg(II) can reach 426 mg/g. After four adsorption and desorption experiments, the adsorption capacity can reach 375 mg/g, which indicates that SPPM has good cycle adsorption performance. The adsorption kinetics was better described by the Pseudo-second-order kinetic, and their adsorption isotherms were fitted for the Langmuir model. The obtained results showed that SPPM is an available, economical adsorbent and was found suitable for removing Hg(II) from an aqueous solution. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Environmental Technology is the property of Taylor & Francis Ltd and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
  BibEntity:
    Identifiers:
      – Type: doi
        Value: 10.1080/09593330.2022.2071644
    Languages:
      – Code: eng
        Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 14
        StartPage: 3777
    Subjects:
      – SubjectFull: Mercury (Element)
        Type: general
      – SubjectFull: Adsorption (Chemistry)
        Type: general
      – SubjectFull: Composite membranes (Chemistry)
        Type: general
      – SubjectFull: Hydrogels
        Type: general
      – SubjectFull: Fourier transform infrared spectroscopy
        Type: general
      – SubjectFull: Porosity
        Type: general
      – SubjectFull: Thermogravimetry
        Type: general
      – SubjectFull: Adsorption kinetics
        Type: general
    Titles:
      – TitleFull: Study on the cyclic adsorption performance of biomass composite membrane for Hg(II).
        Type: main
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          Name:
            NameFull: Zhao, Bai-yun
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          Name:
            NameFull: Yang, Xing-lin
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            NameFull: Liu, Xiao-Kai
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            NameFull: Shi, Qi
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            NameFull: Liu, Yan-Rong
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            NameFull: Wang, Li
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          Dates:
            – D: 01
              M: 11
              Text: Nov2023
              Type: published
              Y: 2023
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              Value: 44
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              Value: 25
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            – TitleFull: Environmental Technology
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