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Simulation of inverse spillover in steam reforming of methane and water-gas shift with the Monte Carlo method
Wang, DZ; Liang, DB; Li, C; Xin, Q
Source PublicationSPILLOVER AND MIGRATION OF SURFACE SPECIES ON CATALYSTS
1997
Volume112Pages:367-376
Indexed ByISTP ; SCI
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences
WOS SubjectChemistry, Physical
WOS Research AreaChemistry
WOS KeywordDIFFUSION
AbstractA direct simulation Monte Carlo method is used to study the effect of spillover on reaction kinetics. Two spillover models were considered: (1) surface diffusion via the hopping of adsorbed molecules, and (2) surface migration via hopping of weakly adsorbed precursors above the layer of adsorbed molecules. Spillover retards the reaction when the surface coverage of the spiltover species is high, but it accelerates the reaction when this surface coverage is low. Spillover also results in small but discernible changes in measured apparent activation energies and heats of adsorption. The effect of spillover is more pronounced in the mechanism where the diffusing species is a weakly adsorbed precursor than when the diffusing species is the adsorbed species themselves.
Language英语
WOS IDWOS:000071952700040
Citation statistics
Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/142828
Collection中国科学院大连化学物理研究所
Affiliation1.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, Lab Catalysis Met & New Mat, Dalian 116023, Peoples R China
Recommended Citation
GB/T 7714
Wang, DZ,Liang, DB,Li, C,et al. Simulation of inverse spillover in steam reforming of methane and water-gas shift with the Monte Carlo method[J]. SPILLOVER AND MIGRATION OF SURFACE SPECIES ON CATALYSTS,1997,112:367-376.
APA Wang, DZ,Liang, DB,Li, C,&Xin, Q.(1997).Simulation of inverse spillover in steam reforming of methane and water-gas shift with the Monte Carlo method.SPILLOVER AND MIGRATION OF SURFACE SPECIES ON CATALYSTS,112,367-376.
MLA Wang, DZ,et al."Simulation of inverse spillover in steam reforming of methane and water-gas shift with the Monte Carlo method".SPILLOVER AND MIGRATION OF SURFACE SPECIES ON CATALYSTS 112(1997):367-376.
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