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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。
Methane and carbon dioxide conversion was studied using pulsed corona plasma at ambient temperature and pressure. Catalytic activity of Pd / γ-Al2O3 for methane coupling was tested on a plasma-catalyzed reaction apparatus. It was found that under the action of pulsed corona plasma, methane and carbon dioxide were converted to C2 hydrocarbons, CO, H2, O2, a small amount of carbon deposition and high carbon hydrocarbons. The introduction of Pd / γ-Al2O3 catalyst under plasma conditions was effective Improve the methane coupling product C2 hydrocarbon distribution, help to generate higher value-added ethylene.