Regenerative autothermal catalytic steam reformer

Details Regenerative autothermal catalytic steam reformer Regenerative autothermal catalytic steam reformer

2007-02-20

2007-02-20

Caldarola, Glenn (Department: 1764)

Gas: heating and illuminating

Generators

Cupola

C048S061000, C048S127900, C048S063000, C422S187000, C422S186220, C422S129000

Reexamination Certificate

active

10347130

ABSTRACT:
A compact steam reformer produces hydrogen to power a fuel cell, such as can be used in a vehicle. The steam reformer includes a first channel, at least partly coated with a steam reforming catalyst, and a second channel, at least partly coated with a combustion catalyst, the channels being in thermal contact with each other. Heat from the combustion is used in the steam reforming reaction. In another embodiment, the gas streams feeding the reforming and combustion channels pass through a valve which reverses the gas streams periodically. The combustion channel becomes the reforming channel, and vice versa, so that carbon deposits in the former reforming channel are burned off. This arrangement enables the reforming reaction to continue indefinitely at peak efficiency.

REFERENCES:
patent: 2556835 (1951-06-01), Barr
patent: 2845335 (1958-07-01), Hasche
patent: 6290913 (2001-09-01), Aoyama
patent: 2003/0105172 (2003-06-01), Bowe et al.
patent: 02129002 (1990-05-01), None

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