Effects of β-cyclodextrin modification on properties of Ni/SBA-15 and its catalytic performance in carbon dioxide reforming of methane

被引：51
作者：
Liu, Huimin [1 ]
Li, Yuming [1 ]
Wu, Hao [1 ]
Takayama, Hiroya [2 ]
Miyake, Takanori [2 ]
He, Dehua [1 ]
机构：
[1] Tsinghua Univ, Dept Chem, Minist Educ, Key Lab Organ Optoelectron & Mol Engn,Innovat Cat, Beijing 100084, Peoples R China
[2] Kansai Univ, Grad Sch Sci & Engn, Suita, Osaka 5648680, Japan
来源：
CATALYSIS COMMUNICATIONS | 2012年 / 28卷
关键词：
beta-cyclodextrin; Ni/SBA-15; Carbon dioxide reforming of methane; DEPOSITION; NANOPARTICLES;
D O I：
10.1016/j.catcom.2012.08.035
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Ni/SBA-15 catalysts were prepared by two different methods; conventional impregnation method (Ni/SBA-15) and beta-cyclodextrin (CD) modified impregnation method (Ni/SBA-15-CD). The physicochemical properties and the catalytic performance of the catalysts in carbon dioxide reforming of methane (CRM) were compared. Results showed that Ni particles were smaller and better dispersed on Ni/SBA-15-CD, and the interactions between Ni and SBA-15 were stronger. Compared with Ni/SBA-15, Ni/SBA-15-CD exhibited higher catalytic activity and stability in CRM. Post-reaction analysis revealed that CD was effective indirectly in resisting carbon deposition and maintaining the ordered structure of Ni/SBA-15-CD. (C) 2012 Elsevier B.V. All rights reserved.
引用
收藏
页码：168 / 173
页数：6
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