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SiO2-stabilized Ni/t-ZrO2 catalysts with ordered mesopores: one-pot synthesis and their superior catalytic performance in CO methanation
Wang, Xiaoyan1,2; Liu, Qing2; Jiang, Jiaxing1; Jin, Guojing2; Li, Huifang2; Gu, Fangna2; Xu, Guangwen2; Zhong, Ziyi3; Su, Fabing2
2016
发表期刊CATALYSIS SCIENCE & TECHNOLOGY
ISSN2044-4753
卷号6期号:10页码:3529-3543
摘要How to improve both the anti-sintering ability and the anti-coking ability of catalysts is still a big challenge in CO methanation for production of synthetic natural gas. To address the issue, we designed and synthesized a series of multicomponent Ni-Zr and Ni-Si-Zr catalysts with an ordered mesoporous structure by using an improved one-pot evaporation-induced self-assembly method. The results showed that these Ni-Si-Zr catalysts with ordered mesopores exhibit better anti-coking and anti-sintering properties as compared with their counterparts without the ordered mesopores. The superior catalytic performances of Ni-Si-Zr catalysts are attributed to the stronger interaction between the support and Ni particles, the confinement effect of the mesoporous channels as well as the presence of more oxygen vacancies in them. In addition, although the tetragonal ZrO2 (t-ZrO2) supported catalysts exhibited better catalytic performance than the monoclinic ZrO2 (m-ZrO2) supported catalysts under atmospheric pressure conditions, the former experienced severe deactivation in the reaction process, mainly due to the transformation of t-ZrO2 to m-ZrO2. The addition of SiO2 into ZrO2 was proven to be able to effectively hinder this transformation, thus improving the catalyst stability.
文章类型Article
WOS标题词Science & Technology ; Physical Sciences
DOI10.1039/c5cy01482d
收录类别SCI
语种英语
关键词[WOS]SUPPORTED NICKEL-CATALYSTS ; NATURAL-GAS ; NI/AL2O3 CATALYSTS ; CARBON-DIOXIDE ; NI/GAMMA-AL2O3 CATALYSTS ; PHASE-TRANSFORMATION ; BUTANE ISOMERIZATION ; SYNGAS METHANATION ; METHANOL SYNTHESIS ; NI/TIO2 CATALYST
WOS研究方向Chemistry
WOS类目Chemistry, Physical
项目资助者National Natural Science Foundation of China(21476238 ; National Basic Research Program(2014CB744306) ; National High Technology Research and Development Program 863(SS2015AA050502) ; "Strategic Priority Research Program" of the Chinese Academy of Sciences(XDA07010100 ; 21206173) ; XDA07010200)
WOS记录号WOS:000376090900022
引用统计
被引频次:10[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ipe.ac.cn/handle/122111/21082
专题多相复杂系统国家重点实验室
作者单位1.Shaanxi Normal Univ, Sch Mat Sci & Engn, Xian 710062, Shaanxi, Peoples R China
2.Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, Beijing 100190, Peoples R China
3.Nanyang Technol Univ, Sch Chem & Biomed Engn, 62 Nanyang Dr, Singapore 637459, Singapore
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Wang, Xiaoyan,Liu, Qing,Jiang, Jiaxing,et al. SiO2-stabilized Ni/t-ZrO2 catalysts with ordered mesopores: one-pot synthesis and their superior catalytic performance in CO methanation[J]. CATALYSIS SCIENCE & TECHNOLOGY,2016,6(10):3529-3543.
APA Wang, Xiaoyan.,Liu, Qing.,Jiang, Jiaxing.,Jin, Guojing.,Li, Huifang.,...&Su, Fabing.(2016).SiO2-stabilized Ni/t-ZrO2 catalysts with ordered mesopores: one-pot synthesis and their superior catalytic performance in CO methanation.CATALYSIS SCIENCE & TECHNOLOGY,6(10),3529-3543.
MLA Wang, Xiaoyan,et al."SiO2-stabilized Ni/t-ZrO2 catalysts with ordered mesopores: one-pot synthesis and their superior catalytic performance in CO methanation".CATALYSIS SCIENCE & TECHNOLOGY 6.10(2016):3529-3543.
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