Kinetics of Methane Steam and CO2 Reforming over Ni based Catalyst

Title
Kinetics of Methane Steam and CO2 Reforming over Ni based Catalyst
Authors
박명희최봉관박윤화문동주박남국김영철
Keywords
Kinetics; Methane; Steam and CO2 reforming; SCR; Ni; Catalyst
Issue Date
2015-07
Publisher
Journal of nanoscience and nanotechnology
Citation
VOL 15, NO 7, 5255-5258
Abstract
Kinetics of methane steam-CO2 reforming over a nickel catalyst was studied at total pressure 1 atm and in the temperature range 923-1073 K. The simple power-law type rate expression was obtained for commer-cial Ni catalyst (KATALCO 25-4Q) under reaction conditions without heat and mass transfer limitations. Experiments of this work were performed by varying the inlet one of the partial pressures of methane, carbon dioxide, water and hydrogen and the other two partial pressures were kept constant according to the initial rate methods. Reaction orders of the CO2, H2O and H2 were zero in the steam-CO2 reforming and only the CH4 reaction orders were not zero. Therefore, only the CH4 partial pressure affected the steam-CO2 reforming reaction rates but CO2, H2O and H2 did not affect the steam-CO2 reforming reaction rates on the Ni catalyst.
URI
http://pubs.kist.re.kr/handle/201004/47647
ISSN
15334880
Appears in Collections:
KIST Publication > Article
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