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    Journals >Journal of Radiation Research and Radiation Processing >Volume 41 >Issue 4 >Page 040201 > Article
    • Journal of Radiation Research and Radiation Processing
    • Vol. 41, Issue 4, 040201 (2023)
    Radiolysis of aqueous solution containing copper ions
    Yunliang LIN1, Zifang GUO1, Zijian LIN1, Zhihao WU1..., Yuzhu ZHOU2, Peng ZHANG1 and Mingzhang LIN1,*|Show fewer author(s)
    Author Affiliations
  • 1School of Nuclear Science and Technology, University of Science and Technology of China, Hefei 230026, China
  • 2National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei 230029, China
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    DOI: 10.11889/j.1000-3436.2023-0006 Cite this Article
    Yunliang LIN, Zifang GUO, Zijian LIN, Zhihao WU, Yuzhu ZHOU, Peng ZHANG, Mingzhang LIN. Radiolysis of aqueous solution containing copper ions[J]. Journal of Radiation Research and Radiation Processing, 2023, 41(4): 040201 Copy Citation Text show less
    Schematic diagram of mass transfer model of two-film theory
    Fig. 1. Schematic diagram of mass transfer model of two-film theory
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    Concentration of H2O2 (a), H2(g) (b), and O2(g) (c) produced by the radiolysis of aqueous solution containing copper ions under different absorption doses
    Fig. 2. Concentration of H2O2 (a), H2(g) (b), and O2(g) (c) produced by the radiolysis of aqueous solution containing copper ions under different absorption doses
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    Concentration of H2O2 (a), H2(g) (b), and O2(g) (c) produced by the radiolysis of aqueous solution containing copper ions under different absorption dose rates
    Fig. 3. Concentration of H2O2 (a), H2(g) (b), and O2(g) (c) produced by the radiolysis of aqueous solution containing copper ions under different absorption dose rates
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    Concentration of H2O2 (a), H2(g) (b), and O2(g) (c) produced by the radiolysis of aqueous solution containing copper ions under different Cu2+ concentrations
    Fig. 4. Concentration of H2O2 (a), H2(g) (b), and O2(g) (c) produced by the radiolysis of aqueous solution containing copper ions under different Cu2+ concentrations
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    Comparison of literature values and simulation results of H2O2 generated by aqueous solution containing copper ions radiolysis and water radiolysis under C6+ ion irradiation (red line, blue line and green line are corresponding to the simulation results of pure water, 1 μmol/L Cu2+ solution and 6 μmol/L Cu2+ solution, respectively; circle, square and triangle are corresponding to the reference values of pure water, 1 μmol/L Cu2+ solution and 6 μmol/L Cu2+ solution, respectively)(color online)
    Fig. 5. Comparison of literature values and simulation results of H2O2 generated by aqueous solution containing copper ions radiolysis and water radiolysis under C6+ ion irradiation (red line, blue line and green line are corresponding to the simulation results of pure water, 1 μmol/L Cu2+ solution and 6 μmol/L Cu2+ solution, respectively; circle, square and triangle are corresponding to the reference values of pure water, 1 μmol/L Cu2+ solution and 6 μmol/L Cu2+ solution, respectively)(color online)
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    射线种类 Ray categoriesG(eaq-)G(H2O2)G(H2)G(·OH)G(·H)G(HO2·)
    γ射线 γ-ray2.630.680.452.720.550.00
    C6+离子 C6+ ion0.740.910.830.970.480.03
    Table 1. G-values of water radiolysis products irradiated by γ-rays and C6+ at 25 ℃[11-13]
    View in the Article
    序号 No.反应方程式 Reaction equation反应速率常数 Reaction rate constant
    1eaq- + Cu2+ → Cu+3.30×1010
    2·H + Cu2+ → H+ + Cu+9.10×107
    3Cu+ + O2 → Cu2+ + O2-0.42
    4Cu2+ + O2- → Cu+ +O28.00×109
    5Cu+ + ·OH → Cu2+ + OH-3.00×109
    6Cu2+ + HO2· → Cu+ + O2 + H+1.00×108
    7O2- + Cu+ + 2H+ → Cu2+ +H2O21.98×109
    8Cu+ + HO2· + H+ → Cu2+ + H2O22.30×109
    9Cu+ + H2O2 → Cu2+ + ·OH + OH-180
    Table 2. Reaction sets for the radiolysis model of aqueous solution containing copper ions[15-22]
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    参数

    Parameter

    		VgVaqAintKHH2KHO2δaq

    数值

    Value

    		0.013 L0.015 L6.11×10-4 m21.25×10-8 mol/(L3·Pa)7.75×10-9 mol/(L3·Pa)0.047 cm

    参数

    Parameter

    		TDgH2DaqH2DgO2DaqO2δg

    数值

    Value

    		298.15 K0.785 cm2/s5.11×10-5 cm2/s0.602 cm2/s2.42×10-5 cm2/s0.912 cm
    Table 3. Summary table of parameters of gas-liquid mass transfer model[25-29]
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    Yunliang LIN, Zifang GUO, Zijian LIN, Zhihao WU, Yuzhu ZHOU, Peng ZHANG, Mingzhang LIN. Radiolysis of aqueous solution containing copper ions[J]. Journal of Radiation Research and Radiation Processing, 2023, 41(4): 040201
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