Journal of Radiation Research and Radiation Processing, Volume. 42, Issue 4, 040205(2024)

Preparation and properties of guanidine-based antimicrobial ultra-high molecular weight polyethylene fiber for uranium extraction from seawater

Lijun HU1, Xuanzhi MAO2, Xinxin FENG2, Hongwei HAN3, Jiangtao HU2、**, and Guozhong WU2、*
Author Affiliations
  • 1University of Shanghai Science and Technology, Shanghai 200093, China
  • 2Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai 201800, China
  • 3Shanghai University, Shanghai 200444, China
  • show less
    Figures & Tables(15)
    Synthesis of UHMWPE-g-GEAO fiber
    FTIR spectra of (a) UHMWPE, (b) UHMWPE-g-PGMA, (c) UHMWPE-g-GdHCl, (d) UHMWPE-g-GEDA, (e) UHMWPE-g-GEAN and (f) UHMWPE-g-GEAO fibers
    (a) Scanning electron microscope images of (a) UHMWPE, (b) UHMWPE-g-PGMA, and (c) UHMWPE-g-GEAO fibers
    TG (a) and DTG (b) curves of UHMWPE and UHMWPE-g-GEAO fibers
    Effect of pH of solution on the adsorption for uranium of UHMWPE-g-GEAO fiber (V=100 mL, C0=8 mg/L, m=10 mg)
    Variation of adsorption capacity of UHMWPE-g-GEAO fiber with time (V=100 mL, C0=8 mg/L, m=10 mg, pH=4)
    Kinetics model fitting for uranium adsorption of UHMWPE-g-GEAO fiber, (a) pseudo-first-order kinetics model and (b) pseudo-second-order kinetics model
    (a) Effect of initial concentration on uranium adsorption of UHMWPE-g-GEAO fiber; (b) adsorption isotherm
    Isotherm adsorption model fitting for uranium adsorption of UHMWPE-g-GEAO fiber: (a) Freundlich isotherm model;
    Variation of adsorption and desorption efficiencies of UHMWPE-g-GEAO fibers at (a) pH=4.0 and (b) pH=8.0 (color online)
    (a) FTIR spectra; (b) SEM image and (c) uranium EDS mapping image of UHMWPE-g-GEAO fiber after uranium adsorption
    Adsorption selectivity of UHMWPE-g-GEAO fiber in spiked real water
    Antibacterial effect of UHMWPE on E. coli (a) and S. aureus (b); antibacterial effect of UHMWPE-g-GEAO on E. coli (c) and S. aureus (d)
    • Table 1. Uranium adsorption kinetic model fitting parameters for UHMWPE-g-GEAO

      View table
      View in Article

      Table 1. Uranium adsorption kinetic model fitting parameters for UHMWPE-g-GEAO

      准一级动力学模型

      Pseudo-first-order kinetics model

      准二级动力学模型

      Pseudo-second-order kinetics model

      k1 / h-1Qe / (mg∙g-1)R12k2 / (g∙(mg·h)-1)Qe / (mg∙g-1)R22
      5.84×10-245.760.894 23.29×10-381.230.999 8
    • Table 2. Fitting parameters of Freundlich and Langmuir isothermal model

      View table
      View in Article

      Table 2. Fitting parameters of Freundlich and Langmuir isothermal model

      Freundlich等温吸附模型

      Freundlich isotherm model

      Langmuir等温吸附模型

      Langmuir isotherm model

      kF1/nRF2Qm / (mg∙g-1)kL / (L∙mg-1)RL2
      115.80.106 80.655 6156.04.9690.999 7
    Tools

    Get Citation

    Copy Citation Text

    Lijun HU, Xuanzhi MAO, Xinxin FENG, Hongwei HAN, Jiangtao HU, Guozhong WU. Preparation and properties of guanidine-based antimicrobial ultra-high molecular weight polyethylene fiber for uranium extraction from seawater[J]. Journal of Radiation Research and Radiation Processing, 2024, 42(4): 040205

    Download Citation

    EndNote(RIS)BibTexPlain Text
    Save article for my favorites
    Paper Information

    Category: RADIATION CHEMISTRY

    Received: Jan. 11, 2024

    Accepted: Feb. 23, 2024

    Published Online: Sep. 14, 2024

    The Author Email: HU Jiangtao (胡江涛), WU Guozhong (吴国忠)

    DOI:10.11889/j.1000-3436.2024-0005

    Topics