Steam reforming of methane in a bench-scale membrane reactor at realistic working conditions

[Display omitted] ► Stable performance over 1100h was found for the bench-scale Pd membrane reactor under the challenging conditions. ► Measured conversion during 1100h was 86%. ► The maximum CH4 conversion and H2 production rate achieved were 98% and 0.13Nm3h−1 at a feed pressure of 28bar and a tem...

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Bibliographic Details
Published in:Catalysis today 2012-10, Vol.193 (1), p.74-80
Main Authors: Sarić, Marija, van Delft, Yvonne C., Sumbharaju, Raghavendra, Meyer, Dick F., de Groot, Arend
Format: Article
Language:English
Subjects:
catalytic activity
Hydrogen
membrane potential
Membrane reactor
methane
Methane steam reforming
Palladium membranes
steam
working conditions
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Summary:[Display omitted] ► Stable performance over 1100h was found for the bench-scale Pd membrane reactor under the challenging conditions. ► Measured conversion during 1100h was 86%. ► The maximum CH4 conversion and H2 production rate achieved were 98% and 0.13Nm3h−1 at a feed pressure of 28bar and a temperature of 580°C. In this study, a bench-scale Pd membrane reactor was used to carry out the methane steam reforming reaction under realistic operating conditions: 580°C, 28bar(a) and GHSV values up to 950h−1. The continuous withdrawal of the H2 product resulted in a maximum CH4 conversion of 98% and a H2 production rate of 0.13Nm3h−1. A continuous methane conversion of 86% and a hydrogen flux of 0.1molm−2s−1 were achieved in the membrane reactor under these challenging conditions for almost 1100h, demonstrating the great potential of membrane reformers for H2 production.
ISSN:0920-5861
1873-4308
DOI:10.1016/j.cattod.2012.04.009