The influence of preparation procedures on hydrogenation CO2 to formic acid over supported Ru catalysts

被引：3
|
作者：
Liu, Na [1 ]
Lei, Jie [1 ]
Li, Mengyao [1 ]
Wang, Peng [1 ]
机构：
[1] Xian Univ Sci & Technol, Coll Chem & Chem Engn, Xian 710054, Peoples R China
来源：
CHEMICAL, MATERIAL AND METALLURGICAL ENGINEERING III, PTS 1-3 | 2014年 / 881-883卷
关键词：
preparation procedures; Supported Ru catalyst; Hydrogenation of CO2; Formic acid; CARBON-DIOXIDE;
D O I：
10.4028/www.scientific.net/AMR.881-883.283
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
A series of catalysts made of ruthenium loaded on gamma-Al2O3 nanorods were prepared to study the effects of preparation procedure on their catalytic performances for hydrogenation CO2 to formic acid. The catalysts are characterized by XRD, nitrogen adsorption measurement and H-2-TPR in detail. The results reveal that the catalytic activity is determined by the structure of supported ruthenium oxide species. The dispersion of RuOx is influenced by the preparation procedures. Optimal activity of catalyst for the hydrogenation of CO2 to formic acid is achieved over a gamma-Al2O3 nanorods supported 2.0 wt% ruthenium catalyst, which is prepared by calcinations at 573 K in flowing air for 6h.
引用
收藏
页码：283 / 286
页数：4
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