CAJ | 학술논문

运用微波等离子体技术，研究了甲烷在氢气助解下的等离子体化学反应。在该偶联反应中，氢气是一种气体催化剂，它的加入有助于甲烷的脱氢偶联转化制备C2烃。在相同的条件下，甲烷的转化率和乙炔的选择性都随着微波输入功率的增加而增大，乙烷的选择性则降低。在最佳条件下，甲烷的转化率达到77.5%，乙炔的选择性达到74.1%。对等离子体中的电子密度和电子能量进行了诊断，根据实验结果，提出了可能的反应机理。
운용미파등리자체기술，연구료갑완재경기조해하적등리자체화학반응。재해우련반응중，경기시일충기체최화제，타적가입유조우갑완적탈경우련전화제비C2경。재상동적조건하，갑완적전화솔화을결적선택성도수착미파수입공솔적증가이증대，을완적선택성칙강저。재최가조건하，갑완적전화솔체도77.5%，을결적선택성체도74.1%。대등리자체중적전자밀도화전자능량진행료진단，근거실험결과，제출료가능적반응궤리。
The microwave plasma chemical reactions of CH4 at the aid decomposition of H2 were studied by using the microwave plasma technology. Hydrogen was a gas catalyst in the reactions, and it was useful for hydrogen to synthesis of C2 hydrocarbons by dehydrogenation coupling reactions of methane. At the same conditions, the conversion of methane and selectivity of C2H2 increased with microwave input power increasing, and selectivity of C2H6 decreased. In the optimal operation, the conversion of methane was up to 77.5%, selectivity of C2H2 was 74.1%. Electron energy and density in the plasma of CH4 and H2 were diagnosed by a floating double electrostatic probes. According to result of experiments, mechanisms of methane dehydrogenation coupling reaction at the aid decomposition of hydrogen were proposed.