The production of hydrogen was investigated in a fixed bed tubular reactor via steam reforming of methanol (SRM) using catalysts prepared by wet impregnation method and characterized by measuring surface area, pore volume, x-ray diffraction patterns, and scanning electron microscopy photographs. The SRM was carried out at atmospheric pressure, temperature , steam to methanol molar ratio 1–1.8 and contact-time (W/F) cat./(mol/s of methanol). Effects of reaction temperature, contact-time, steam to methanol molar ratio and zinc content of the catalyst on methanol conversion, selectivity, and product yields was evaluated. The addition of zinc enhanced the methanol conversion and hydrogen production. The excess steam promoted the methanol conversion and suppressed the carbon monoxide formation. Different strategies have been mentioned to minimize the carbon monoxide formation for the steam reforming of methanol to produce polymer electrolyte membrane (PEM) fuel cell grade hydrogen. Optimum operating conditions with appropriate composition of catalyst has been investigated to produce more selective hydrogen with minimum carbon monoxide. The experimental results were fitted well with the kinetic model available in literature.
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e-mail: kkpant@chemical.iitd.ac.in
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November 2006
This article was originally published in
Journal of Fuel Cell Science and Technology
Research Papers
Production of Hydrogen With Low Carbon Monoxide Formation Via Catalytic Steam Reforming of Methanol
Sanjay Patel,
Sanjay Patel
Department of Chemical Engineering,
Indian Institute of Technology-Delhi
, Hauz-Khas, New Delhi-110016, India
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K. K. Pant
K. K. Pant
Department of Chemical Engineering,
e-mail: kkpant@chemical.iitd.ac.in
Indian Institute of Technology-Delhi
, Hauz-Khas, New Delhi-110016, India
Search for other works by this author on:
Sanjay Patel
Department of Chemical Engineering,
Indian Institute of Technology-Delhi
, Hauz-Khas, New Delhi-110016, India
K. K. Pant
Department of Chemical Engineering,
Indian Institute of Technology-Delhi
, Hauz-Khas, New Delhi-110016, Indiae-mail: kkpant@chemical.iitd.ac.in
J. Fuel Cell Sci. Technol. Nov 2006, 3(4): 369-374 (6 pages)
Published Online: March 28, 2006
Article history
Received:
July 25, 2005
Revised:
March 28, 2006
Citation
Patel, S., and Pant, K. K. (March 28, 2006). "Production of Hydrogen With Low Carbon Monoxide Formation Via Catalytic Steam Reforming of Methanol." ASME. J. Fuel Cell Sci. Technol. November 2006; 3(4): 369–374. https://doi.org/10.1115/1.2349514
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