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Conversion of CH4, steam and O_2 to syngas and hydrocarbons via dielectric barrier discharge

Conversion of CH4, steam and O_2 to syngas and hydrocarbons via dielectric barrier discharge

作     者:Baowei Wang Xu Zhang Yongwei Liu Genhui XU 

作者机构:Key Laboratory for Green Chemical Technology of the Ministry qf Education School qf Chemical Engineering and Technology. Tianjin University Tianjin 300072 China 

出 版 物:《Journal of Natural Gas Chemistry》 (天然气化学杂志(英文版))

年 卷 期:2009年第18卷第1期

页      面:94-97页

核心收录:

学科分类:080901[工学-物理电子学] 081803[工学-地质工程] 0809[工学-电子科学与技术(可授工学、理学学位)] 08[工学] 0818[工学-地质资源与地质工程] 

基  金:Supported by the National Natural Science Foundation of China (No.20606023) National Key Natural Science Foundation of China (No. 20490203) 

主  题:methane steam oxygen dielectric barrier discharges plasma 

摘      要:The conversion of CH4 with oxygen and steam in a dielectric barrier discharge (DBD) was studied in the paper to discuss the effects of different factors, such as the content of feed-in gas, the applied voltage and frequency. The results showed that a lower ratio of CH4 to O2 always resulted in a higher conversion of CH4. When it was 2, the conversion reached 32.43% without steam introduced into the system. The main effect of steam was increasing the selectivity to CO. The reaction was accelerated and the selectivities to CO and hydrocarbons were enhanced by increasing the applied voltage. It was also observed that a higher frequency led to a lower current and then restrained the reaction.

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