Methanation of carbon dioxide over mesoporous Ni-Fe-Ru-Al2O3 xerogel catalysts: Effect of ruthenium content

被引：56
作者：
Hwang, Sunhwan [1 ]
Lee, Joongwon [1 ]
Hong, Ung Gi [1 ]
Baik, Joon Hyun [2 ]
Koh, Dong Jun [2 ]
Lim, Hyojun [3 ]
Song, In Kyu [1 ]
机构：
[1] Seoul Natl Univ, Inst Chem Proc, Sch Chem & Biol Engn, Seoul 151744, South Korea
[2] Res Inst Ind Sci & Technol, Environm Res Dept, Pohang 790330, South Korea
[3] POSCO, Seoul 135389, South Korea
来源：
JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY | 2013年 / 19卷 / 02期
关键词：
Carbon dioxide methanation; Carbon dioxide; Hydrogen; Mesoporous nickel-iron-ruthenium-alumina xerogel catalyst; Single-step sol-gel method; LIQUEFIED NATURAL-GAS; SELECTIVE METHANATION; HYDROGEN-PRODUCTION; IRON; CO2; OXIDE; REDUCTION; FE; NI;
D O I：
10.1016/j.jiec.2012.10.007
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Mesoporous nickel (35 wt%)-iron (5 wt%)-ruthenium (x wt%)-alumina xerogel (denoted as 35Ni5FexRuAX) catalysts with different ruthenium contents (x = 0, 0.2, 0.4, 0.6, 0.8, and 1.0) were prepared by a single-step sol-gel method for use in the methane production from CO2 and H-2. Conversion of CO2, yield for CH4, metal surface area, and the amount of desorbed carbon dioxide of the catalysts showed volcano-shaped trends with respect to ruthenium content. Experimental results revealed that metal surface area and the amount of desorbed carbon dioxide of 35Ni5FexRu catalysts were well correlated with conversion of CO2 and yield for CH4. (c) 2012 The Korean Society of Industrial and Engineering Chemistry. Published by Elsevier B.V. All rights reserved.
引用
收藏
页码：698 / 703
页数：6
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