Plasma methane conversion in the presence of carbon dioxide using dielectric-barrier discharges

被引:132
|
作者
Zhang, YP
Li, Y
Wang, Y
Liu, CJ [1 ]
Eliasson, B
机构
[1] Tianjin Univ, State Key Lab C1 Chem & Technol, ABB Plasma Greenhouse Gas Chem Lab, Tianjin 300072, Peoples R China
[2] Tianjin Univ, Dept Chem, Tianjin 300072, Peoples R China
[3] ABB Switzerland Ltd, CH-5405 Baden, Switzerland
关键词
methane; CO2; oxygenates; light hydrocarbons; dielectric-barrier discharge;
D O I
10.1016/S0378-3820(03)00061-4
中图分类号
O69 [应用化学];
学科分类号
081704 ;
摘要
Methane conversion in the presence of carbon dioxide was investigated under the conditions of dielectric-barrier discharge plasmas. Different from the previous investigations, the grounded electrode is covered by the dielectric material (quartz) in the present reactor design. The product contains gaseous hydrocarbons, syngas and oxygenates. No liquid hydrocarbons can be detected with the present reactor design. The oxygenates produced includes acetic acid, propanoic acid, ethanol and methanol. There exists an optimum feed ratio of CH4/CO2 to make the maximum selectivity of the objective oxygenate. The highest selectivity of acetic acid was 5.2% achieved at CH4 and CO2 conversions of 64.3% and 43.1%, respectively. (C) 2003 Elsevier Science B.V. All rights reserved.
引用
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页码:101 / 109
页数:9
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