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Steam-Methane Reforming in a Microchannel Under Constant and Variable Axial Surface Temperature Profiles

[+] Author Affiliations
Benn Eilers, Vinod Narayanan, Sourabh Apte, John Schmitt

Oregon State University, Corvallis, OR

Paper No. AJTEC2011-44390, pp. T20099-T20099-13; 13 pages
doi:10.1115/AJTEC2011-44390
From:
  • ASME/JSME 2011 8th Thermal Engineering Joint Conference
  • ASME/JSME 2011 8th Thermal Engineering Joint Conference
  • Honolulu, Hawaii, USA, March 13–17, 2011
  • ISBN: 978-0-7918-3892-1 | eISBN: 978-0-7918-3894-5
  • Copyright © 2011 by ASME

abstract

An experimental study of steam methane reforming in a microchannel is presented. Palladium nanoparticles, deposited on a porous aluminized FeCrAlY felt, served as catalyst sites for the reforming reactions. Parametric studies of steam-methane ratio, residence time, average reactor temperature, and temperature distribution were performed. Results demonstrated in excess 60 percent conversion of methane at an average reactor temperature of 900°C and the lowest experimented residence time of 26 milliseconds. Methane conversion was found to be strongly dependent on reactor temperature. Ramping temperature distributions demonstrated a 46 percent greater hydrogen output than isothermal reactions performed at the same average temperature.

Copyright © 2011 by ASME

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