Jianlu PEI, Shuwei LIANG, Zhongxin LIN, Jiayu LI, Jianli CHEN, Ming HAN, Jianrong HOU, Yongguo LI. Study on catalytic oxidation of low concentration 14CH4 by non-thermal plasma[J]. NUCLEAR TECHNIQUES, 2025, 48(2): 020301
- NUCLEAR TECHNIQUES
- Vol. 48, Issue 2, 020301 (2025)
Fig. 1. Diagram of 14CH4 plasma-catalytic experimental system
Fig. 2. Typical Lissajous figure
Fig. 3. Lissajous figures and current-voltage waveforms corresponding to different discharge voltages
Fig. 4. Variation of plasma discharge power with discharge voltage
Fig. 5. Effect of discharge voltages on CH4 processing efficiency (a) and CO2 selectivity (b) before and after plasma introduction into the catalysts (color online)
Fig. 6. Effect of gas flow rate on CH4 processing efficiency (a) and CO2 selectivity (b) before and after plasma introduction into the catalysts (color online)
Fig. 7. Effect of reaction temperature on CH4 processing efficiency (a) and CO2 selectivity (b) before and after plasma introduction into the catalysts (color online)
Fig. 8. Isothermal N2 adsorption and desorption curves and pore size distribution of catalyst before and after the reaction (color online)
Fig. 9. XRD patterns of the catalyst before and after the reaction (color online)
Fig. 10. XPS patterns of the catalyst before and after the reaction (color online)
Fig. 11. Mechanism of plasma-catalysis oxidation of CH4
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Table 1. Characterisation of the pore structure of the catalyst before and after the reaction
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