Investigation of bio-ethanol steam reforming over cobalt-based catalysts

被引：165

作者：

Song, Hua ^{[1
]}

Zhang, Lingzhi ^{[1
]}

Watson, Rick B. ^{[1
]}

Braden, Drew ^{[1
]}

Ozkan, Urnit S. ^{[1
]}

机构：

[1] Ohio State Univ, Dept Chem & Biomol Engn, Heterogeneous Catal Res Grp, Columbus, OH 43210 USA

来源：

CATALYSIS TODAY | 2007年 / 129卷 / 3-4期

关键词：

cobalt catalyst; zirconia; alumina; titania; bio-ethanol steam reforming; TGA; H-2; chemisorption; Raman; DRIFTS; temperature-programmed reaction;

D O I：

10.1016/j.cattod.2006.11.028

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

The catalytic performance of cobalt catalysts supported on gamma-Al2O3, TiO2, ZrO2 were studied for bio-ethanol steam reforming (BESR) reaction. The supported catalysts (10 wt%Co) were prepared by impregnation and characterized through Thermogravimetric analysis (TGA), H-2 chemisorption, laser Raman Spectroscopy, Diffuse Reflectance Infrared Fourier Transform Spectroscopy (DRIFrS), and temperature-programmed reaction (TPRxn). The metallic cobalt sites were found to correlate with the BESR reaction activity. The reaction and H2 chemisorption showed that ZrO2 supported catalyst showed the best dispersion and best catalytic activity. Over the 10% Co/ZrO2 catalyst, using a H2O:EtOH:inert molar ratio of 10:1:75 and a GHSV = 5000 h(-1), 100% ethanol conversion and a yield of 5.5 mol H-2/Mol EtOH were obtained at 550 degrees C and atmospheric pressure. (c) 2007 Elsevier B.V. All rights reserved.

引用

页码：346 / 354

页数：9

共 27 条

[1] Bio-ethanol catalytic steam reforming over supported metal catalysts [J].

Auprêtre, F ;

Descorme, C ;

Duprez, D .

CATALYSIS COMMUNICATIONS, 2002, 3 (06) :263-267

[2] Characterization of the activity and stability of supported cobalt catalysts for the steam reforming of ethanol [J].

Batista, MS ;

Santos, RKS ;

Assaf, EM ;

Assaf, JM ;

Ticianelli, EA .

JOURNAL OF POWER SOURCES, 2003, 124 (01) :99-103

[3] Performance of Rh/Al2O3 catalyst in the steam reforming of ethanol:: H2 production for MCFC [J].

Cavallaro, S ;

Chiodo, V ;

Freni, S ;

Mondello, N ;

Frusteri, F .

APPLIED CATALYSIS A-GENERAL, 2003, 249 (01) :119-128

[4] Ethanol steam reforming on Rh/Al2O3 catalysts [J].

Cavallaro, S .

ENERGY & FUELS, 2000, 14 (06) :1195-1199

[5] Hydrogen production by ethanol reforming over Rh/CeO2-ZrO2 catalysts [J].

Diagne, C ;

Idriss, H ;

Kiennemann, A .

CATALYSIS COMMUNICATIONS, 2002, 3 (12) :565-571

[6] Hydrogen formation in ethanol reforming on supported noble metal catalysts [J].

Erdohelyi, Andras ;

Rasko, Janos ;

Kecskes, Tamara ;

Toth, Mariann ;

Doemoek, Marta ;

Baan, Kornelia .

CATALYSIS TODAY, 2006, 116 (03) :367-376

[7] Microcalorimetric and infrared studies of ethanol and acetaldehyde adsorption to investigate the ethanol steam reforming on supported cobalt catalysts [J].

Guil, JM ;

Homs, N ;

Llorca, J ;

de la Piscina, PR .

JOURNAL OF PHYSICAL CHEMISTRY B, 2005, 109 (21) :10813-10819

[8] Effect of crystallite size on the catalysis of alumina-supported cobalt catalyst for steam reforming of ethanol [J].

Haga, F ;

Nakajima, T ;

Yamashita, K ;

Mishima, S .

REACTION KINETICS AND CATALYSIS LETTERS, 1998, 63 (02) :253-259

[9] Catalytic properties of supported cobalt catalysts for steam reforming of ethanol [J].

Haga, F ;

Nakajima, T ;

Miya, H ;

Mishima, S .

CATALYSIS LETTERS, 1997, 48 (3-4) :223-227

[10] Current status of hydrogen production techniques by steam reforming of ethanol: A review [J].

Haryanto, A ;

Fernando, S ;

Murali, N ;

Adhikari, S .

ENERGY & FUELS, 2005, 19 (05) :2098-2106

← 1 2 3 →