Kinetic assessment of Ni-based catalysts in low-temperature methane/biogas steam reforming

The reaction rate of low-temperature steam reforming was studied over two Ni-based catalysts. Experimental tests were carried out for temperatures between 400 and 550 °C and pressures between 1 and 7 bar, using methane and simulated biogas (1:1 methane-carbon dioxide mixture) as carbonaceous feed. T...

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Bibliographic Details
Published in:International journal of hydrogen energy 2016-10, Vol.41 (38), p.16865-16877
Main Authors: Turchetti, L., Murmura, M.A., Monteleone, G., Giaconia, A., Lemonidou, A.A., Angeli, S.D., Palma, V., Ruocco, C., Annesini, M.C.
Format: Article
Language:English
Subjects:
Biogas
Kinetic modeling
Methane
Ni catalyst
Reaction rate
Steam reforming
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Summary:The reaction rate of low-temperature steam reforming was studied over two Ni-based catalysts. Experimental tests were carried out for temperatures between 400 and 550 °C and pressures between 1 and 7 bar, using methane and simulated biogas (1:1 methane-carbon dioxide mixture) as carbonaceous feed. The results were analyzed with a simplified reaction rate expression. The parameters of such expression were optimized in order to provide a tool for the design of an industrial scale reactor using the catalysts considered. •Two Ni-based catalysts are tested for steam reforming of methane and simulated biogas.•Temperatures in the range 400–550 °C and pressures in the range 1–7 bar are considered.•The catalysts show good activity in the experimental range considered.•A rate equation was obtained for each catalyst based on a literature model.
ISSN:0360-3199
1879-3487
DOI:10.1016/j.ijhydene.2016.07.245