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Combined methanol reforming for hydrogen generation over monolithic catalysts
KTH, Tidigare Institutioner                               , Kemiteknik.
2003 (engelsk)Inngår i: Chemical Engineering Journal, ISSN 1385-8947, E-ISSN 1873-3212, Vol. 93, nr 1, s. 91-101Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

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.

sted, utgiver, år, opplag, sider
2003. Vol. 93, nr 1, s. 91-101
Emneord [en]
fuel cell vehicles, methanol reforming, hydrogen, monoliths, copper-based catalysts, fuel-cell applications, partial oxidation
Identifikatorer
URN: urn:nbn:se:kth:diva-22471ISI: 000182638500011OAI: oai:DiVA.org:kth-22471DiVA, id: diva2:341169
Merknad
QC 20100525Tilgjengelig fra: 2010-08-10 Laget: 2010-08-10 Sist oppdatert: 2017-12-12bibliografisk kontrollert

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