DOI: 10.1016/j.jcou.2017.03.018
Scopus记录号: 2-s2.0-85018963828
论文题名: Highly active and coke resistant Ni/SiO2 catalysts for oxidative reforming of model biogas: Effect of low ceria loading
作者: Kathiraser Y. ; Wang Z. ; Ang M.L. ; Mo L. ; Li Z. ; Oemar U. ; Kawi S.
刊名: Journal of CO2 Utilization
ISSN: 22129820
出版年: 2017
卷: 19 起始页码: 284
结束页码: 295
语种: 英语
英文关键词: CO2 utilization
; Low ceria loading
; Ni catalyst
; Oxidative reforming of biogas
; Strong metal support interaction
; Syngas production
Scopus关键词: Biogas
; Carbon
; Carbon dioxide
; Catalysts
; Coke
; Greenhouse gases
; Oxygen vacancies
; Silicates
; Synthesis gas
; Economically viable
; High-value chemicals
; Ni catalysts
; Oxidative reforming
; Renewable resource
; Strong metal support interaction
; Sustainable process
; Syngas production
; Nickel
英文摘要: Biogas (consisting of greenhouse gases; CO2 and CH4) is a potential renewable resource for valuable syngas production. This is an industrially important method to utilize CO2 for high value chemical/energy production. Stability of economically viable Ni based catalysts is crucial to increase industrial viability of this environmentally sustainable process. Highly active and coke resistant ceria-promoted Ni/SiO2 catalysts were prepared using in-situ self-assembled core shell precursor route. Low ceria loading (0.5 wt%) was found beneficial in promoting the oxidative reforming of biogas activity as well as minimizing carbon deposition at the conditions tested. The positive influence exerted by such low loading of ceria was attributed to anchorage of ceria at interfacial sites of the Ni/SiO2 support, promoting intimate interaction of Ni-SiO2 within the mesopore wall via formation of nickel silicates with strong metal-support interaction. Such low loading of ceria, weakened the catalyst' Lewis acidity, and supplied oxygen vacancies which are crucial to maintain the reducibility of Ni, ensuring high activity and stability. © 2017 Elsevier Ltd. 资助项目: National Eczema Association
; National Research Foundation of Korea
; National University of Singapore
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/52730
Appears in Collections: 影响、适应和脆弱性
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Recommended Citation:
Kathiraser Y.,Wang Z.,Ang M.L.,et al. Highly active and coke resistant Ni/SiO2 catalysts for oxidative reforming of model biogas: Effect of low ceria loading[J]. Journal of CO2 Utilization,2017-01-01,19