Effect of Doping Niobia over Ni/Al2O3 Catalysts for Methane Steam Reforming

The addition of niobia to nickel/alumina catalysts was evaluated for methane steam reforming, correlating with structural, textural and acid/base properties. The catalysts containing 5–10 wt% Nb 2 O 5 presented higher methane conversion at 800 °C and did not deactivate during 24 h on stream, while c...

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Bibliographic Details
Published in:Catalysis letters 2018-05, Vol.148 (5), p.1478-1489
Main Authors: Gonçalves, Juliana F., Souza, Mariana M. V. M.
Format: Article
Language:English
Subjects:
Aluminum oxide
Catalysis
Catalysts
Chemistry
Chemistry and Materials Science
Deactivation
Industrial Chemistry/Chemical Engineering
Methane
Nickel
Niobium oxides
Organometallic Chemistry
Physical Chemistry
Reforming
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Summary:The addition of niobia to nickel/alumina catalysts was evaluated for methane steam reforming, correlating with structural, textural and acid/base properties. The catalysts containing 5–10 wt% Nb 2 O 5 presented higher methane conversion at 800 °C and did not deactivate during 24 h on stream, while coke formation was inhibited on the catalyst with 20 wt% Nb 2 O 5 . Graphical Abstract
ISSN:1011-372X
1572-879X
DOI:10.1007/s10562-018-2359-7