Benzene reduction in gasoline by olefin alkylation: Effect of the catalyst on a C(6)-reformate heart- cut

The study presented here compares the performance of different zeolite catalysts (Beta, ZSM-5 and Beta:ZSM-5 composites) for benzene alkylation by propylene with a benzene enriched reformate heart-cut (13 wt% benzene). The experiments were carried out in a batch system with a 1/1 benzene:propylene m...

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Bibliographic Details
Published in:Applied catalysis. A, General General, 2009-07, Vol.363 (1-2), p.19-26
Main Authors: Laredo, Georgina C, Marroquin, Jesus O, Castillo, Jesus, Perez-Romo, Patricia, Navarrete-Bolanos, Juan
Format: Article
Language:English
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Summary:The study presented here compares the performance of different zeolite catalysts (Beta, ZSM-5 and Beta:ZSM-5 composites) for benzene alkylation by propylene with a benzene enriched reformate heart-cut (13 wt% benzene). The experiments were carried out in a batch system with a 1/1 benzene:propylene mole ratio at 220 'C for 1 h. The results showed that an increase in conversion produced decreases in cumene selectivity and oligomers formation. These results were associated to Beta contained catalysts. Lower conversions related to a higher oligomers production and lower di-isorpropylbenzene isomers formation, were obtained with a ZSM-5 catalyst. Results were compared with pure benzene/propylene alkylation tests carried out at similar experimental conditions.
ISSN:0926-860X
DOI:10.1016/j.apcata.2009.05.005