Journal
APPLIED CATALYSIS A-GENERAL
Volume 458, Issue -, Pages 21-27Publisher
ELSEVIER
DOI: 10.1016/j.apcata.2013.03.016
Keywords
Carbon Honeycomb monoliths; Methane decomposition; Catalysis H-2 production
Categories
Funding
- FEDER Program of the EU [MAT2008-00889/NAN]
- Junta de Andalucia [FQM-110]
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As is well known, carbonaceous materials are good catalysts for methane decomposition, a promising alternative to methane reforming and water gas shift reactions, as the CO2-free production of hydrogen can be attained. Nevertheless, the continued absence of literature on the use of carbon-based honeycomb monoliths for this application is surprising, despite the monolithic honeycomb design offering obvious advantages compared with conventional packed beds. Therefore, in this work we have prepared integral carbon monoliths and tested them in catalytic CH4 decomposition. The reaction has been studied at different temperatures (750-9000 degrees C) and the deactivation with time has been also monitored. Special attention was paid to the influence of the texture generated by different thermal treatments to which the monoliths are subjected after their preparation to eliminate the additives and activate the carbon. For this purpose a deep textural characterization has been carried out. Comparison with the same samples but in the form of powders was also performed. (C) 2013 Elsevier B.V. All rights reserved.
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