Mechanistic aspects of carbon dioxide reforming of methane to synthesis gas over Ni catalysts期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

Mechanistic aspects of carbon dioxide reforming of methane to synthesis gas over Ni catalysts

Authors:	Zhaolong Zhang Xenophon E. Verykios

Affiliation:	(1) Department of Chemical Engineering and Institute of Chemical Engineering and HighTemperature Processes, University of Patras, PO Box 1414, GR-26500 Patras, Greece

Abstract:	A study of the kinetic isotope effect (CH₄/CO₂ CD₄/CO₂) for carbon dioxide reforming of methane to synthesis gas shows that an isotope effect exists with k_CH₄/k_CD₄ ratio of 1.05–1.97, depending on reaction temperature and catalyst applied. The attainment of stable performance over Ni/La₂O₃ catalyst is found to be related to the strong chemisorption of CO₂, weak chemisorption of CH₄ and slow rate of CH_x formation, and fast rate for CH_x removal by oxidation.

Keywords:	methane, reforming of kinetics of methane reforming carbon dioxide, reactions of isotopic labeling nickel, catalyst lanthanum oxide, catalyst carrier natural gas, utilization of
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