Effect of calcination temperature on structure and performance of Ni/TiO2-SiO2 catalyst for CO2 reforming of methane

	Effect of calcination temperature on structure and performance of Ni/TiO2-SiO2 catalyst for CO2 reforming of methane
Department	羰基合成与选择氧化国家重点实验室 ; 精细石油化工中间体国家工程研究中心
	Zhang SB(张三兵); Wang JK(王健康); Wang XL(王晓来)
	2008
Source Publication	J. Natur. Gas Chem.
ISSN	1003-9953
Volume	17 Issue:2 Pages:179-183
Abstract	The influence of calcination temperature on the structure and catalytic behavior of Ni/TiO2-SiO2 catalyst, for CO2 reforming of methane to synthesis gas under atmospheric pressure, was investigated. The results showed that the Ni/TiO2-SiO2 catalyst calcined at 700 ◦C had high and stable activity while the catalysts calcined at 550 and 850 ◦C had low and unstable activity. Depending on the calcination temperature, one, two, or three of the following Ni-containing species, NiO, Ni2.44Ti0.72Si0.07O4, and NiTiO3 were identified by combining the temperature programmed reduction (TPR) and X-ray diffraction (XRD) results. Their reducibility decreased in the sequence: NiO>Ni2.44Ti0.72Si0.07O4>NiTiO3. It suggests that high and stable activities observed over the Ni/TiO2-SiO2 catalyst calcined at 700 ◦C were induced by the formation of Ni2.44Ti0.72Si0.07O4 and smaller NiO species crystallite size.
Keyword	Ni/tio2-sio2 Catalyst Sol-gel Co2 Reforming Methane
Subject Area	多相催化
Indexed By	SCI
Language	英语
Funding Project	多相选择氧化研究组 ; EVA及新型降凝剂研发组
Document Type	期刊论文
Identifier	http://ir.licp.cn/handle/362003/1942
Collection	羰基合成与选择氧化国家重点实验室（OSSO）精细石油化工中间体国家工程研究中心（ERC）
Corresponding Author	Wang XL(王晓来)
Recommended Citation GB/T 7714	Zhang SB,Wang JK,Wang XL. Effect of calcination temperature on structure and performance of Ni/TiO2-SiO2 catalyst for CO2 reforming of methane[J]. J. Natur. Gas Chem.,2008,17(2):179-183.
APA	张三兵,王健康,&王晓来.(2008).Effect of calcination temperature on structure and performance of Ni/TiO2-SiO2 catalyst for CO2 reforming of methane.J. Natur. Gas Chem.,17(2),179-183.
MLA	张三兵,et al."Effect of calcination temperature on structure and performance of Ni/TiO2-SiO2 catalyst for CO2 reforming of methane".J. Natur. Gas Chem. 17.2(2008):179-183.

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