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Dry reforming of methane at high pressure in a fixed-bed reactor with axial temperature profile determination
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Tillmann, Lukas, Schulwitz, Jonas, van Veen, André C. and Muhler, Martin (2018) Dry reforming of methane at high pressure in a fixed-bed reactor with axial temperature profile determination. Catalysis Letters, 148 (8). pp. 2256-2262. doi:10.1007/s10562-018-2453-x ISSN 1011-372X.
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Official URL: http://dx.doi.org/10.1007/s10562-018-2453-x
Abstract
A continuously operated flow setup with fixed-bed reactor and online gas analysis enabled kinetic investigations of catalysts
for the carbon dioxide reforming of methane under industrially relevant conditions at temperatures up to 1000 °C and at
pressures up to 20 bar. A coaxial reactor design consisting of an inner- and an outer highly alloyed steel tube allowed obtaining
axial temperature profiles by means of a moveable thermocouple. A NiAl2O4-based catalyst was tested at 820 °C and pressures of 1, 10 or 20 bar and compared to a conventional Ni catalyst used for steam reforming of methane. A significant cold spot was detected even when using only 10 mg of catalysts diluted in 1 g of silicon carbide. The specifically designed NiAl2O4/Al2O3 dry reforming catalyst with a high dispersion of the active Ni0 phase was found to be far superior to the conventional steam reforming catalyst.
Item Type: | Journal Article | ||||||||
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Subjects: | Q Science > QD Chemistry T Technology > TP Chemical technology |
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Divisions: | Faculty of Science, Engineering and Medicine > Engineering > Engineering | ||||||||
Library of Congress Subject Headings (LCSH): | Methane, Carbon dioxide, High pressure (Science), Nickel, Spinel | ||||||||
Journal or Publication Title: | Catalysis Letters | ||||||||
Publisher: | Springer Science+Business Media | ||||||||
ISSN: | 1011-372X | ||||||||
Official Date: | August 2018 | ||||||||
Dates: |
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Volume: | 148 | ||||||||
Number: | 8 | ||||||||
Page Range: | pp. 2256-2262 | ||||||||
DOI: | 10.1007/s10562-018-2453-x | ||||||||
Status: | Peer Reviewed | ||||||||
Publication Status: | Published | ||||||||
Reuse Statement (publisher, data, author rights): | This is a post-peer-review, pre-copyedit version of an article published in Catalysis Letters. The final authenticated version is available online at: http://dx.doi.org/10.1007/s10562-018-2453-x | ||||||||
Access rights to Published version: | Restricted or Subscription Access | ||||||||
Copyright Holders: | Ruhr-Universität Bochum | ||||||||
Date of first compliant deposit: | 21 September 2018 | ||||||||
Date of first compliant Open Access: | 20 June 2019 | ||||||||
RIOXX Funder/Project Grant: |
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