CHEN Yumin;LU Qiancheng;LEI Wentao;YUE Wenjing;ZHANG Bing;HUANG Wenjie;ZHAO Yongchun;ZHANG Junying;

• 1:School of Low-Carbon Energy and Power Engineering
• 2:China University of Mining and Technology
• 3:State Key Laboratory of Coal Combustion
• 4:Huazhong University of Science and Technology

Abstract：

CO_2-CH_4 reforming by non-equilibrium plasma to syngas is an important emerging technology pathway to realize the resource utilization for the two greenhouse gases. The reaction pathway of CO_2-CH_4 reforming by non-thermal plasma in a dielectric barrier discharge(DBD) reactor at ambient temperature and pressure was thoroughly investigated by combing emission spectrometry analysis, reaction kinetics simulation and continuous mass spectrometry measurements. A maximum conversion of CH_4 and CO_2 of 25.8% and 9.6% respectively, can be achieved under a specific energy input(S_(EI)) of 52 J/cm~3. The continuous mass spectrometry online analysis of the stable gaseous products shows that C_2H_4 acts as a key intermediate in the formation of C_(2 )hydrocarbons. The higher the proportion of CH_4, the greater the generation of C_2 hydrocarbons, and it increases in the order of C_2H_6

Key Words： non-thermal plasma;CO_2-CH_4 reforming;emission spectroscopy;reaction mechanism;chemical kinetics model;plasma chemistry

Abstract:

Keywords:

Foundation: 国家自然科学基金资助项目(51606216,52176144);; 中央高校基本科研业务费专项资金资助项目(2020ZDPYMS23);; 国家重大科研仪器研制资助项目(51827808)

Authors: CHEN Yumin;LU Qiancheng;LEI Wentao;YUE Wenjing;ZHANG Bing;HUANG Wenjie;ZHAO Yongchun;ZHANG Junying;

DOI: 10.13226/j.issn.1006-6772.HK22063003

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