• Journal of Radiation Research and Radiation Processing
  • Vol. 42, Issue 2, 020204 (2024)
Mengqing XIAO1, Jie ZHAN2, Jiawen LI2, Xingdong SU2..., Feng LIU2, Yutuo WANG1, Changwen CHEN1, Yuanlin ZHOU1 and Yintao LI1,*|Show fewer author(s)
Author Affiliations
  • 1State Key Laboratory of Environmentally Friendly Energy School of Materials and Chemistry, Southwest University of Science and Technology, Mianyang 621000, China
  • 2China Nuclear Power Technology Research Institute Co. Ltd, Shenzhen 518028, China
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    DOI: 10.11889/j.1000-3436.2023-0070 Cite this Article
    Mengqing XIAO, Jie ZHAN, Jiawen LI, Xingdong SU, Feng LIU, Yutuo WANG, Changwen CHEN, Yuanlin ZHOU, Yintao LI. Synthesis of polyacrylamide-based aerosol fixative and its fixation effect on tellurium aerosol[J]. Journal of Radiation Research and Radiation Processing, 2024, 42(2): 020204 Copy Citation Text show less
    Infrared spectra of purified PAM, PAM-g-PAA, PAM-g-PHEA, and PAM-g-PAA/PHEA
    Fig. 1. Infrared spectra of purified PAM, PAM-g-PAA, PAM-g-PHEA, and PAM-g-PAA/PHEA
    Surface tension of different aerosol fixatives
    Fig. 2. Surface tension of different aerosol fixatives
    SEM micrograph of (a) PAM, (b) PAM-g-PAA, (c) PAM-g-PHEA, (d) PAM-g-PAA/PHEA
    Fig. 3. SEM micrograph of (a) PAM, (b) PAM-g-PAA, (c) PAM-g-PHEA, (d) PAM-g-PAA/PHEA
    Cross-sectional scans of different aerosol fixatives after film formation: (a) PAM; (b) PAM-g-PAA; (c) PAM-g-PHEA; (d) PAM-g-PAA/PHEA
    Fig. 4. Cross-sectional scans of different aerosol fixatives after film formation: (a) PAM; (b) PAM-g-PAA; (c) PAM-g-PHEA; (d) PAM-g-PAA/PHEA
    Cross-sectional SEM images of solutions mixed with different aerosol fixatives and tellurium powder after film formation: (a) PAM; (b) PAM-g-PAA; (c) PAM-g-PHEA; (d) PAM-g-PAA/PHEA
    Fig. 5. Cross-sectional SEM images of solutions mixed with different aerosol fixatives and tellurium powder after film formation: (a) PAM; (b) PAM-g-PAA; (c) PAM-g-PHEA; (d) PAM-g-PAA/PHEA
    Digital pictures of the sedimentation variation d of tellurium powder in PAM-g-PAA/PHEA, PAM-g-PHEA, PAM-g-PAA and PAM solutions: (a) 0 h; (b) 6 h; (c) 12 h; (d) 24 h; (e) 36 h; (f) 48 h (color online)
    Fig. 6. Digital pictures of the sedimentation variation d of tellurium powder in PAM-g-PAA/PHEA, PAM-g-PHEA, PAM-g-PAA and PAM solutions: (a) 0 h; (b) 6 h; (c) 12 h; (d) 24 h; (e) 36 h; (f) 48 h (color online)
    Variation of aerosol particle mass concentration in the simulated chamber with time
    Fig. 7. Variation of aerosol particle mass concentration in the simulated chamber with time
    Schematic of aerosol immobilization mechanism
    Fig. 8. Schematic of aerosol immobilization mechanism

    样品

    Samples

    接枝率 / %

    Grafting rate

    PAM-g-PAA9.07
    PAM-g-PHEA11.75
    PAM-g-PAA/PHEA9.97
    Table 1. Grafting rate of PAM-g-PAAPAM-g-PHEA and PAM-g-PAA/PHEA

    编号

    Number

    C0

    / (mg∙m-3)

    C1

    / (mg∙m-3)

    固定率 / %Fixed rate
    a20.565 43.738 081.82
    b22.152 84.997 977.44
    c19.671 91.112 594.34
    d21.235 02.272 889.30
    Table 2. Settling and fixation efficiency of aerosol particles after atomized spraying of different fixatives
    Mengqing XIAO, Jie ZHAN, Jiawen LI, Xingdong SU, Feng LIU, Yutuo WANG, Changwen CHEN, Yuanlin ZHOU, Yintao LI. Synthesis of polyacrylamide-based aerosol fixative and its fixation effect on tellurium aerosol[J]. Journal of Radiation Research and Radiation Processing, 2024, 42(2): 020204
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