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Alkylation of toluene with methanol: The effect of K exchange degree on the direction to ring or side-chain alkylation

Paper ID Volume ID Publish Year Pages File Format Full-Text
50854 46818 2012 6 PDF Available
Title
Alkylation of toluene with methanol: The effect of K exchange degree on the direction to ring or side-chain alkylation
Abstract

A set of K-exchanged X zeolites with different exchange degree were prepared and investigated in the alkylation of toluene with methanol. The chemical composition, textural properties, crystalline phase and acid–base properties of catalysts were analyzed by ICP, N2 physisorption, XRD, NH3-TPD and XPS. Experimental results demonstrated that the direction to ring or side-chain alkylation depended on the K exchange degree (KED) greatly.

► A set of KX zeolites with K exchange degree from 5.71% to 87.15% were prepared via ion-exchanged technique. ► The direction to ring or side-chain alkylation of toluene with methnaol depended on the K exchange degree greatly. ► Relatively weak acidity could promote the side-chain alkylation when the basicity was sufficient for the reaction.

Keywords
Alkylation; Toluene; Methanol; Ion-exchange; X zeolite
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Alkylation of toluene with methanol: The effect of K exchange degree on the direction to ring or side-chain alkylation
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 19, March 2012, Pages 90–95
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
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