Synthesis, characterization and catalytic performances of Ce-SBA-15 supported nickel catalysts for methane dry reforming to hydrogen and syngas

	Synthesis, characterization and catalytic performances of Ce-SBA-15 supported nickel catalysts for methane dry reforming to hydrogen and syngas
	Wang, Ning 1; Chu, Wei 1; Zhang, Tao 2; Zhao, X. S.3
刊名	international journal of hydrogen energy
	2012
卷号	37 期号:1 页码:19-30
关键词	Hydrogen production Cerium-incorporated SBA-15 Nano nickel catalyst Methane dry reforming High catalytic performance
通讯作者	weichu
产权排序	2,3
英文摘要	a series of ce-incorporated sba-15 mesoporous materials were synthesized through direct hydrothermal synthesis method and further impregnated with 12 wt.% ni. the samples were characterized by icp-aes, xrd, n-2 physisorption, xps, tpr, h-2 chemisorption, tga, temperature-programmed hydrogenation (tph) and tem measurements. the low-angle xrd and n-2 physisorption results showed the ce successfully incorporated into the framework of sba-15. the catalytic properties of these catalysts were investigated in methane reforming with co2. the ce/si molar ratio had a significant influence on the catalytic performance. the highest catalytic activity and long-term stability were obtained over the ni/ce-sba-15 (ce/si = 0.04) sample. the improved catalytic behavior could be attributed to the cerium impact in the framework of sba-15, where cerium promoted the dispersion of nano-sized ni species and inhibited the carbon formation. in comparison with the effect of ceo2 crystallites in sba-15, cerium in the framework of sba-15 promoted the formation of the nickel metallic particles with smaller size. the xrd and tga results exhibited that carbon deposition was responsible for activity loss of ni/sba-15 and ni/ce-sba-15 (ce/si = 0.06) catalysts. tem results showed that the hexagonal mesopores of sba-15 were still kept intact after reaction and the pore walls of sba-15 prevented the aggregation of nickel. copyright (c) 2011, hydrogen energy publications, llc. published by elsevier ltd. all rights reserved.
学科主题	物理化学
WOS标题词	science & technology ; physical sciences ; technology
类目[WOS]	chemistry, physical ; electrochemistry ; energy & fuels
研究领域[WOS]	chemistry ; electrochemistry ; energy & fuels
关键词[WOS]	carbon-dioxide ; synthesis gas ; oxidative dehydrogenation ; ni catalysts ; mesoporous silica ; fluidized-bed ; co2 ; ethanol ; sba-15 ; steam
收录类别	SCI
语种	英语
WOS记录号	WOS:000300470000003
公开日期	2013-10-11
内容类型	期刊论文
源URL	[http://159.226.238.44/handle/321008/117781]
专题	大连化学物理研究所_中国科学院大连化学物理研究所
作者单位	1.Sichuan Univ, Dept Chem Engn, Chengdu 610065, Peoples R China 2.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Peoples R China 3.Natl Univ Singapore, Dept Chem & Biomol Engn, Singapore 117576, Singapore
推荐引用方式 GB/T 7714	Wang, Ning,Chu, Wei,Zhang, Tao,et al. Synthesis, characterization and catalytic performances of Ce-SBA-15 supported nickel catalysts for methane dry reforming to hydrogen and syngas[J]. international journal of hydrogen energy,2012,37(1):19-30.
APA	Wang, Ning,Chu, Wei,Zhang, Tao,&Zhao, X. S..(2012).Synthesis, characterization and catalytic performances of Ce-SBA-15 supported nickel catalysts for methane dry reforming to hydrogen and syngas.international journal of hydrogen energy,37(1),19-30.
MLA	Wang, Ning,et al."Synthesis, characterization and catalytic performances of Ce-SBA-15 supported nickel catalysts for methane dry reforming to hydrogen and syngas".international journal of hydrogen energy 37.1(2012):19-30.