A highly dispersed nickel supported catalyst for dry reforming of methane

被引：99
作者：
Lv, Xiangyu [1 ]
Chen, Jian-Feng [1 ,2 ]
Tan, Yisheng [3 ]
Zhang, Yi [1 ,2 ]
机构：
[1] Beijing Univ Chem Technol, Dept Chem Engn, State Key Lab Organ Inorgan Composites, Beijing 100029, Peoples R China
[2] Beijing Univ Chem Technol, Res Ctr, Minist Educ High Grav Engn & Technol, Beijing 100029, Peoples R China
[3] Chinese Acad Sci, Inst Coal Chem, State Key Lab Coal Convers, Taiyuan 030001, Peoples R China
来源：
CATALYSIS COMMUNICATIONS | 2012年 / 20卷
基金：
中国国家自然科学基金;
关键词：
Reforming of methane; Dispersion; Nickel; Silica; Modification; CARBON-DIOXIDE; NI/SIO2; CATALYST; NI CATALYSTS; CO2; CH4; SILICA; PERFORMANCE; PRETREATMENT; DEHYDRATION; GAS;
D O I：
10.1016/j.catcom.2012.01.002
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：
The modification of silica support using ethylene glycol (EG) significantly modified surface properties of silica support, resulting in the decreased decomposition temperature of impregnated nickel nitrate and the enhanced metal-support interaction. The catalyst prepared by modified silica support realized excellent stability and two times higher catalytic activity than the catalyst obtained from non modified silica support in dry reforming of CH4, since its highly dispersed supported nickel and strong nickel-silica interaction. The properties of silica supports, catalyst precursors and catalysts were characterized by TG-DSC, FT-IR, XRD, H-2 chemisorption, O-2 titration, TPR and TEM. (C) 2012 Elsevier B.V. All rights reserved.
引用
收藏
页码：6 / 11
页数：6
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