IDEAS home Printed from https://ideas.repec.org/a/gam/jijerp/v19y2022i2p856-d723711.html
   My bibliography  Save this article

Preparation and Characterization of a Novel Amidoxime-Modified Polyacrylonitrile/Fly Ash Composite Adsorbent and Its Application to Metal Wastewater Treatment

Author

Listed:
  • Yan Sun

    (School of Public Administration, Hohai University, Nanjing 210098, China)

  • Xiaojun Song

    (School of Public Administration, Hohai University, Nanjing 210098, China)

  • Jing Ma

    (School of Public Administration, Hohai University, Nanjing 210098, China)

  • Haochen Yu

    (School of Public Policy, China University of Mining and Technology, Xuzhou 221043, China)

  • Gangjun Liu

    (Geospatial Science, School of Science, STEM College, RMIT University, Melbourne 3000, Australia)

  • Fu Chen

    (School of Public Administration, Hohai University, Nanjing 210098, China
    School of Public Policy, China University of Mining and Technology, Xuzhou 221043, China)

Abstract

The polyacrylonitrile/fly ash composite was synthesized through solution polymerization and was modified with NH 2 OH·HCl. The amidoxime-modified polyacrylonitrile/fly ash composite demonstrated excellent adsorption capacity for Zn 2+ in an aqueous medium. Fourier transform-Infrared spectroscopy, thermogravimetric analysis, nitrogen adsorption, X-ray diffraction, and scanning electron microscopy were used to characterize the prepared materials. The results showed that the resulting amidoxime-modified polyacrylonitrile/fly ash composite was able to effectively remove Zn 2+ at pH 4–6. Adsorption of Zn 2+ was hindered by the coexisting cations. The adsorption kinetics of Zn 2+ by Zn 2+ followed the pseudo-second order kinetic model. The adsorption process also satisfactorily fit the Langmuir model, and the adsorption process was mainly single layer. The Gibbs free energy ΔG 0 , ΔH 0 , and ΔS 0 were negative, indicating the adsorption was a spontaneous, exothermic, and high degree of order in solution system.

Suggested Citation

  • Yan Sun & Xiaojun Song & Jing Ma & Haochen Yu & Gangjun Liu & Fu Chen, 2022. "Preparation and Characterization of a Novel Amidoxime-Modified Polyacrylonitrile/Fly Ash Composite Adsorbent and Its Application to Metal Wastewater Treatment," IJERPH, MDPI, vol. 19(2), pages 1-13, January.
  • Handle: RePEc:gam:jijerp:v:19:y:2022:i:2:p:856-:d:723711
    as

    Download full text from publisher

    File URL: https://www.mdpi.com/1660-4601/19/2/856/pdf
    Download Restriction: no

    File URL: https://www.mdpi.com/1660-4601/19/2/856/
    Download Restriction: no
    ---><---

    References listed on IDEAS

    as
    1. Olli Varis & Matti Kummu, 2012. "The Major Central Asian River Basins: An Assessment of Vulnerability," International Journal of Water Resources Development, Taylor & Francis Journals, vol. 28(3), pages 433-452.
    Full references (including those not matched with items on IDEAS)

    Most related items

    These are the items that most often cite the same works as this one and are cited by the same works as this one.
    1. Christopher White & Trevor Tanton & David Rycroft, 2014. "The Impact of Climate Change on the Water Resources of the Amu Darya Basin in Central Asia," Water Resources Management: An International Journal, Published for the European Water Resources Association (EWRA), Springer;European Water Resources Association (EWRA), vol. 28(15), pages 5267-5281, December.
    2. Andrea Gerlak & Farhad Mukhtarov, 2015. "‘Ways of knowing’ water: integrated water resources management and water security as complementary discourses," International Environmental Agreements: Politics, Law and Economics, Springer, vol. 15(3), pages 257-272, September.
    3. Wanlu Liu & Lulu Liu & Jiangbo Gao, 2020. "Adapting to climate change: gaps and strategies for Central Asia," Mitigation and Adaptation Strategies for Global Change, Springer, vol. 25(8), pages 1439-1459, December.
    4. Yingchun Ge & Jing Wang, 2024. "The Water Resources Rebound Effect Threatening the Achievement of Sustainable Development Goal 6 (SDG 6)," Sustainability, MDPI, vol. 16(10), pages 1-14, May.
    5. Zheng Xiang & Xiaohong Chen & Yanqing Lian, 2016. "Quantifying the Vulnerability of Surface Water Environment in Humid Areas Base on DEA Method," Water Resources Management: An International Journal, Published for the European Water Resources Association (EWRA), Springer;European Water Resources Association (EWRA), vol. 30(14), pages 5101-5112, November.

    Corrections

    All material on this site has been provided by the respective publishers and authors. You can help correct errors and omissions. When requesting a correction, please mention this item's handle: RePEc:gam:jijerp:v:19:y:2022:i:2:p:856-:d:723711. See general information about how to correct material in RePEc.

    If you have authored this item and are not yet registered with RePEc, we encourage you to do it here. This allows to link your profile to this item. It also allows you to accept potential citations to this item that we are uncertain about.

    If CitEc recognized a bibliographic reference but did not link an item in RePEc to it, you can help with this form .

    If you know of missing items citing this one, you can help us creating those links by adding the relevant references in the same way as above, for each refering item. If you are a registered author of this item, you may also want to check the "citations" tab in your RePEc Author Service profile, as there may be some citations waiting for confirmation.

    For technical questions regarding this item, or to correct its authors, title, abstract, bibliographic or download information, contact: MDPI Indexing Manager (email available below). General contact details of provider: https://www.mdpi.com .

    Please note that corrections may take a couple of weeks to filter through the various RePEc services.

    IDEAS is a RePEc service. RePEc uses bibliographic data supplied by the respective publishers.