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Interfacial reactions between DBD and porous catalyst in dry methane reforming

Interaction between dielectric barrier discharge (DBD) and porous catalyst in dry methane reforming (CH4  +  CO2  =  2H2  +  2CO) was studied. Coke formation behavior and coke morphology, as well as material conversion and selectivity, over the cross-section of porous pellets was investigated compre...

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Bibliographic Details
Published in:Journal of physics. D, Applied physics Applied physics, 2018-02, Vol.51 (11), p.114006
Main Authors: Kameshima, Seigo, Mizukami, Ryo, Yamazaki, Takumi, Prananto, Lukman A, Nozaki, Tomohiro
Format: Article
Language:English
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Summary:Interaction between dielectric barrier discharge (DBD) and porous catalyst in dry methane reforming (CH4  +  CO2  =  2H2  +  2CO) was studied. Coke formation behavior and coke morphology, as well as material conversion and selectivity, over the cross-section of porous pellets was investigated comprehensively by SEM analysis, Raman spectroscopy and pulsed reforming diagnosis, showing DBD and porous pellet interaction is possible only in the interfacial region (the external surface of the pellet): neither generation of DBD nor the diffusion of plasma generated reactive species in the internal micropores is possible. Coke formation and gasification mechanism in nonthermal plasma catalysis of DMR were discussed based on the catalyst effectiveness factor: low-temperature plasma catalysis is equivalent to the high-temperature thermal catalysis.
ISSN:0022-3727
1361-6463
DOI:10.1088/1361-6463/aaad7d