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HERO ID
6275615
Reference Type
Book/Book Chapter
Title
Novel rhenium based catalysts for direct dehydroaromatization of methane with CO/CO2 towards ethylene and benzene, catalysis and XAFS/TG/DTA/MASS characterization
Author(s)
Ichikawa, M; Issoh, K; Ohnishi, R; Wang, L
Year
2000
Is Peer Reviewed?
1
Journal
Studies in surface science and catalysis
ISSN:
0167-2991
Publisher
Elsevier
Book Title
Studies in Surface Science and Catalysis
Volume
130
Page Numbers
3603-3608
DOI
10.1016/S0167-2991(00)80582-0
URL
http://www.sciencedirect.com/science/article/pii/S0167299100805820
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Abstract
The novel rhenium catalysts Re/HZSM-5 were studied for the catalytic performances of dehydrocondensation of methane towards C2-hydrocarbons and benzene at 1–3 atm and 873–1023K. EXAFS and TG/DTA/Mass studies suggest that the metallic Re highly dispersed on HZSM-5 zeolite is an active phase for the reaction in contrast to Mo carbide for Mo/HZSM-5 catalyst. The addition of a few % of CO/CO2 to methane feed results in the stable catalytic performances owing to the effective suppression of coke formation on Re/HZSM-5 catalysts. It was suggested that the bifunctional catalysis consisting of methane dehydrogenation on Re and oligomerization of C2-intermediates on HZSM-5 having proper pore-sizes around 5is for the dehydrocondensation of methane towards benzene.
Editor(s)
Mendioroz, Sagrario
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