Methanation catalyst, and carbon monoxide removing system,...

Details Methanation catalyst, and carbon monoxide removing system,... Methanation catalyst, and carbon monoxide removing system,...

2007-05-03

2011-11-29

Nguyen, Cam N. (Department: 1736)

Catalyst, solid sorbent, or support therefor: product or process

Catalyst or precursor therefor

Metal, metal oxide or metal hydroxide

C502S302000, C502S327000, C502S334000, C502S335000, C502S337000, C502S339000, C502S349000, C429S400000, C429S524000, C429S527000

Reexamination Certificate

active

08067332

ABSTRACT:
A methanation catalyst, a carbon monoxide removing system, a fuel processor, and a fuel cell including the same, and more particularly a non-supported methanation catalyst including the catalytically active non-precious metal particles and the metal oxide particles, and a carbon monoxide removing system, a fuel processor, and a fuel cell including the same. The methanation catalyst has high selectivity for the methanation of carbon monoxide instead of the methanation of carbon dioxide and the reverse water gas shift reaction of carbon dioxide, which are side reactions of the methanation of carbon monoxide, maintains high concentration of generated hydrogen as small amounts of hydrogen and carbon dioxide are consumed, and effectively removes carbon monoxide at low operating temperatures of 200° C. or less.

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KIPO Notice of Allowance dated Jun. 28, 2007, for Korean priority Patent application 10-2006-0104043, 4 pages.
Patent Abstracts of Japan, and English machine translation of Japanese Publication 2000-254508, 44 pages.

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