Aromatization of ethane over Pt,Ga/HZSM-5 catalyst and the effect of intermetallic hydrogen acceptor on the reaction

The effect of the hydride-forming intermetallic compound Zr 2Fe on the aromatization of ethane over Pt,Ga/HZSM-5 catalyst has been studied under different reaction conditions (temperature, GHSV, ethane dilution with Ar). In the presence of intermetallic hydrogen acceptor aromatics yield from ethane...

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Bibliographic Details
Published in:Applied catalysis. A, General General, 1995-10, Vol.131 (1), p.7-14
Main Authors: Chetina, O.V., Vasina, T.V., Lunin, V.V.
Format: Article
Language:English
Subjects:
Aromatization
Ethane
Gallium
Hydride
Hydrogen acceptor
Intermetallic compound
Platinum
ZSM-5
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Summary:The effect of the hydride-forming intermetallic compound Zr 2Fe on the aromatization of ethane over Pt,Ga/HZSM-5 catalyst has been studied under different reaction conditions (temperature, GHSV, ethane dilution with Ar). In the presence of intermetallic hydrogen acceptor aromatics yield from ethane at 500°C was 6-fold higher and reached 61 wt.-% as a result of releasing hydrogen elimination, selectivity to aromatics being 78%. The fused-ring aromatics formation appeared to be more sensitive to hydrogen removal than BTX formation. The yield of BTX may be improved by ethane dilution with inert gas.
ISSN:0926-860X
1873-3875
DOI:10.1016/0926-860X(95)00126-3