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Benzene reduction in gasoline by alkylation with olefins: Effect of the feedstock on the catalyst deactivation

Paper ID Volume ID Publish Year Pages File Format Full-Text
42301 45920 2009 8 PDF Available
Title
Benzene reduction in gasoline by alkylation with olefins: Effect of the feedstock on the catalyst deactivation
Abstract

The production of a more environmentally suitable gasoline by removing substantial portions of benzene by alkylation with propylene was studied on three real feedstocks with different chemical composition. Nine consecutive tests of 1 h were carried out for each feedstock, in a batch system with a 2/1 benzene:propylene mole ratio at 220 °C using the same Beta catalyst. The results obtained were compared with pure benzene alkylation reactions. With the increase of benzene concentration in the feedstock, benzene conversions improved. Presence of olefin compounds even in traces caused oligomers formation and finally catalyst deactivation.

Graphical abstractThe production of a more environmentally suitable gasoline by removing substantial portions of benzene by alkylation with propylene using zeolite Beta as catalyst was studied on four feedstocks with different chemical composition. With the increase of benzene concentration in the feedstock, benzene conversions improved. Presence of olefin compounds even in traces caused oligomers formation and finally catalyst deactivation.Figure optionsDownload full-size imageDownload as PowerPoint slide

Keywords
Gasoline; Benzene; Alkylation; Propylene; Cumene; Zeolite Beta
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Publisher
Database: Elsevier - ScienceDirect
Journal: Applied Catalysis A: General - Volume 363, Issues 1–2, 1 July 2009, Pages 11–18
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
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Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
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Any Questions? feel free to contact us