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Catalytic Activity of Pt Modified Hierarchical ZSM-5 Catalysts in Benzene Alkylation with Methanol

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Abstract

Hierarchical ZSM-5 zeolite showed an improved performance as compared to conventional ZSM-5 catalysts in the alkylation of benzene with methanol. However, ethylbenzene yet remains as a major problem. In this study, we modified hierarchical ZSM-5 with Pt to evaluate the alkylation of benzene with methanol in a fixed-bed continuous flow reactor. It was found that Pt modified hierarchical ZSM-5 could successfully combine the catalytic advantages of hierarchical ZSM-5 and the high suppression of Pt to ethylbenzene formation. Moreover, employing direct reduction could improve the utilization of Pt by avoiding Pt particles sintering.

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Acknowledgments

This work was financially supported by National Natural Science Foundation of China (NSFC-21476207 and 211360001), National Basic Research Program of China (973 Program) (2011CB710800).

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Authors and Affiliations

  1. State Key Laboratory Breeding Base of Green Chemistry Synthesis Technology, Industrial Catalysis Institute of Zhejiang University of Technology, Hangzhou, 310032, People’s Republic of China

    Hualei Hu, Qunfeng Zhang, Jie Cen & Xiaonian Li

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  1. Hualei Hu
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  2. Qunfeng Zhang
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  3. Jie Cen
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  4. Xiaonian Li
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Correspondence to Xiaonian Li.

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Hu, H., Zhang, Q., Cen, J. et al. Catalytic Activity of Pt Modified Hierarchical ZSM-5 Catalysts in Benzene Alkylation with Methanol. Catal Lett 145, 715–722 (2015). https://doi.org/10.1007/s10562-014-1458-3

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