Efficient production of hydrogen and multi-walled carbon nanotubes from ethanol over Fe/Al2O3 catalysts

被引：15
|
作者：
Wang, Gang [1 ]
Wang, Hui [1 ]
Li, Weilong [1 ,2 ]
Ren, Zhaoyu [2 ]
Bai, Jintao [2 ]
Bai, Jinbo [3 ]
机构：
[1] Northwest Univ, Coll Chem & Mat Sci, Key Lab Synthet & Nat Funct Mol Chem, Minist Educ, Xian 710069, Peoples R China
[2] Northwest Univ, Natl Key Lab Photoelect Technol & Funct Mat Cultu, Natl Photoelect Technol & Funct Mat & Applicat In, Inst Photon & Photon Technol, Xian 710069, Peoples R China
[3] Ecole Cent Paris, UMR 8579, CNRS, Lab MSS MAT, F-92295 Chatenay Malabry, France
来源：
FUEL PROCESSING TECHNOLOGY | 2011年 / 92卷 / 03期
基金：
中国国家自然科学基金;
关键词：
Ethanol decomposition; Fe/Al2O3; Hydrogen; Carbon nanotubes; DECOMPOSITION; ALCOHOLS; METHANOL; GROWTH;
D O I：
10.1016/j.fuproc.2010.11.008
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
Fe/Al2O3 catalysts with different Fe loadings (10-90 mol%) were prepared by hydrothermal method. Ethanol decomposition was studied over these Fe/Al2O3 catalysts at temperatures between 500 and 800 degrees C to produce hydrogen and multi-walled carbon nanotubes (MWCNTs) at the same time. The results showed that the catalytic activity and stability of Fe/Al2O3 depended strongly on the Fe loading and reaction temperature. The Fe(30 mol%)/Al2O3 and Fe(40 mol%)/Al2O3 were both the effective catalyst for ethanol decomposition into hydrogen and MWCNTs at 600 degrees C. Several reaction pathways were proposed to explain ethanol decomposition to produce hydrogen and carbon (including nanotube) at the same time. (C) 2010 Elsevier B.V. All rights reserved.
引用
收藏
页码：531 / 540
页数：10
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