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Combined methanol r...
Combined methanol reforming for hydrogen generation over monolithic catalysts
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Lindström, B. (author)
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Agrell, J. (author)
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- Pettersson, Lars J. (author)
- KTH,Kemiteknik
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(creator_code:org_t)
- 2003
- 2003
- English.
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In: Chemical Engineering Journal. - 1385-8947 .- 1873-3212. ; 93:1, s. 91-101
- Related links:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Subject headings
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- An experimental investigation on hydrogen generation from methanol using monolithic catalysts is presented in this paper. The activity and carbon dioxide selectivity for the reforming of methanol over various binary copper-based materials, Cu/Cr, Cu/Zn and Cu/Zr, have been evaluated. The methanol reforming was performed using steam reforming and combined reforming (CMR, a combination of steam reforming and partial oxidation). The CMR process was carried out at two modes of operation: near auto-thermal and at slightly exothermal conditions. The catalysts have been characterized using BET surface area measurement, X-ray diffraction (XRD), temperature programmed reduction (TPR) and scanning electron microscopy (SEM-EDS). The results show that the choice of catalytic material has a great influence on the methanol conversion and carbon dioxide selectivity of the reforming reaction. The zinc-containing catalyst showed the highest activity for the steam reforming process, whereas the copper/chromium catalyst had the highest activity for the CMR process. The copper/zirconium catalyst had the highest CO2 selectivity for all the investigated process alternatives.
Keyword
- fuel cell vehicles
- methanol reforming
- hydrogen
- monoliths
- copper-based catalysts
- fuel-cell applications
- partial oxidation
Publication and Content Type
- ref (subject category)
- art (subject category)
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