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等离子体条件下甲烷在CO₂存在下的脱氢偶联（英文）

DEHYDROGENATION COUPLING OF CH₄ UNDER PLASMA IN THE PRESENCE OF CO₂

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【Author】 Dai Bin, Zhang Xiuling, Gong Weimin, He Ren Plasma Chemistry Laboratory, School of Chemical Engineering Dalian University of Technology, Dalian, Liaoning 116012 Department of Chemistry, Shihezi University, Shihezi, Xinjiang 832002

【机构】大连理工大学化工学院等离子体化学实验室；大连理工大学化工学院等离子体化学实验室辽宁大连116012石河子大学化学系新疆石河子832002；辽宁大连116012；辽宁大连116012；

【摘要】在常温常压下，利用脉冲电晕等离子体研究了甲烷和二氧化碳的转化。在等离子体一催化反应装置上，测试了Ｐｄ／γ－Ａｌ２Ｏ３对甲烷偶联的催化活性。实验发现，在脉冲电晕等离子体作用下，甲烷和二氧化碳被转化为Ｃ２烃、ＣＯ、Ｈ２、Ｏ２、少量积碳和高碳烃；在等离子体条件下引入Ｐｄ／γ－Ａｌ２Ｏ３催化剂，能够有效地改善甲烷偶联产物Ｃ２烃的分布，有利于生成更高附加值的乙烯。更多还原

【Abstract】 At atmospheric pressure and ambient temperature, the dehydrogenation coupling reaction of methane in the precence of carbon dioxide were performed under pulse corona plasma. The effect of addition of Pd/r-Al2O3 as a catalyst were tested on the reaction. It was found that methane and carbon dioxide converted into C2 hydrocarbons, CO, H2, O2, a little carbon and a tittle high hydrocarbons, the addition of Pd/r-Al2O3 catalyst could improve efficaciously the distribution of C2 products.更多还原