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A Study on the Kinetics of the Catalytic Reforming Reaction of CH4 with CO2: Determination of the Reaction Order
作者姓名:ChunyangJi  LihongGong  JiaweiZhang  KeyingShi
作者单位:ChemistryDepartmentofHarbinNormalUniversity,Harbin150080,China
摘    要:The kinetics of the catalytic reforming reaction of methane with carbon dioxide to produce synthesis gas on a Ni/(α-A1203 and a HSD-2 type commercial catalyst has been studied. The results indicate that the reaction orders are one and zero for methane and carbon dioxide, respectively, when the carbon dioxide partial pressure was about 12.5-30.0 kPa and the temperature was at 1123-1173 K. However, when the carbon dioxide partial pressure was changed to 30.0-45.0 kPa under the same temperature range of 1123-1173 K, the reaction orders of methane and carbon dioxide are one. Furthermore, average rate constants at different temperatures were determined.

关 键 词:催化重整反应  动力学  天然气  CH4  CO2  反应级数  测量  二氧化碳  速度常数

Study on the Kinetics of the Catalytic Reforming Reaction of CH4 with CO2: Determination of the Reaction Order
ChunyangJi LihongGong JiaweiZhang KeyingShi.Study on the Kinetics of the Catalytic Reforming Reaction of CH4 with CO2: Determination of the Reaction Order[J].Journal of Natural Gas Chemistry,2003,12(3):201-204.
Authors:Chunyang Ji  Lihong Gong  Jiawei Zhang  Keying Shi
Institution:Chemistry Department of Harbin Normal University, Harbin 150080, China
Abstract:The kinetics of the catalytic reforming reaction of methane with carbon dioxide to produce synthesis gas on a Ni/a-Al2O3 and a HSD-2 type commercial catalyst has been studied. The results indicate that the reaction orders are one and zero for methane and carbon dioxide, respectively, when the carbon dioxide partial pressure was about 12.5-30.0 kPa and the temperature was at 1123-1173 K. However, when the carbon dioxide partial pressure was changed to 30.0-45.0 kPa under the same temperature range of 1123-1173 K, the reaction orders of methane and carbon dioxide are one. Furthermore, average rate constants at different temperatures were determined.
Keywords:reforming  methane  carbon dioxide  reaction order  rate constant  kinetics
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