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低压微波等离子体催化甲烷偶联生成C₂烃的研究

A Study on Coupling of Methane to C₂ Hydrocarbons Under Microwave Plasma with Low Pressure

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【Author】 ZHANG Qin1,YANG Hong-sheng1,SHEN Chang-sheng1,SUN Yong-zhi1,DONG Jia-lu2, SUN Lan3,SUN De-kun2,ZHEN Fu-ping1 1.Department of Electronic Engineering, State Key Lab. of Millimeter Waves, Nanjing 210096,China 2.Nanjing University, Nanjing 210093,China; 3.SINOPEC JINLING COMPANY, Nanjing 310033, China

【机构】东南大学电子工程系毫米波国家重点实验室；南京大学；金陵石化分公司；东南大学电子工程系毫米波国家重点实验室南京210096；南京210096；南京210093；南京310033；南京210096；

【摘要】研究了矩形波导微波化学反应器在纯甲烷、低气压47Pa～5000Pa条件下,生成微波等离子体。研究了甲烷转化率,C2烃收率积炭率与气体压强的关系,以及乙烯、乙炔的选择性与气体压强的关系。实验结果显示,在上述气压范围内,甲烷转化率高达(75%～94%),当压强在800～5000Pa范围内,反应产物全部为乙炔。更多还原

【Abstract】 Methane in a rectangular wave guide as microwave chemistry reactor was excited to produce microwave plasma under low pressure （47⁵000Pa）. Methane Conversion to C₂ hydrocarben yield and Carbon deposit varied with pressure. The relationships of their selectivity with pressure were described. The experiments showed a high conversion of CH₄ and a high selectivity of C₂H₂,under the pressure 47⁵000Pa.更多还原