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Catalytic Performance of Post-Treated Thin-Plate ZSM-5 for Allyl Alcohol Etherification
Gideon Abaidoo Ocran1, Huali Tan1, Bosong Zhang1
1State Key Laboratory of Fine Chemicals, Frontiers Science Center for Smart Materials Oriented Chemical Engineering, School of Chemical Engineering, Dalian University of Technology, 2 Linggong Road, Dalian 116024, China.
Abstract:
Diallyl ether possesses unique chemical activities due to its dual functional allyl group and ether bond and is thus a high-value-added fine chemical with diverse applications. In this work, thin-plate ZSM-5 is synthesized and then subjected to alkaline post-treatment to improve its catalytic performance for allyl alcohol etherification to diallyl ether. The study shows that the post-treatment impacts on both the microstructure and acidic properties of ZSM-5. Although the selectivity of diallyl ether obtained over different ZSM-5 catalysts are similarly high, the treatment with tetrapropylammonium hydroxide and/or dilute NaOH solutions enhances the conversion of allyl alcohol. The highest turnover number of the reaction achieves when there is a moderate amount of strong acid sites in ZSM-5. This study contributes to the knowledge base for potential application of ZSM-5 in diallyl ether production from allyl alcohol.
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