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Selective synthesis of ethylbenzene by alkylation of benzene with diethyl carbonate over MCM-22 modified by MgO

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Abstract

Selective synthesis of ethylbenzene by vapor phase alkylation of benzene with diethyl carbonate was carried out over MCM-22 modified by MgO. Characterization results show that the number of Brønsted acid sites on MCM-22 decreased significantly after MgO modification, which resulted in a decrease in activity. The selectivity for ethylbenzene was improved greatly over MCM-22 modified by MgO, which can be attributed to the effective suppression of subsequent alkylation of ethylbenzene by the reduction in Brønsted acid sites.

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Acknowledgments

We acknowledge the high technology research and development program of Jiangsu province (BG2006015) for financial support.

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Authors and Affiliations

  1. State Key Laboratory of Heavy Oil Processing, China University of Petroleum, Bei**g, 102249, China

    Bing Xue, Shujun Wang & Hongyan Liu

  2. Department of Chemical Engineering, Jiangsu Polytechnic University, Changzhou, Jiangsu, 213164, China

    Bing Xue, Yongxin Li & Chongfu Xu

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  1. Bing Xue
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  2. Yongxin Li
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  3. Shujun Wang
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  4. Hongyan Liu
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  5. Chongfu Xu
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Correspondence to Bing Xue.

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Xue, B., Li, Y., Wang, S. et al. Selective synthesis of ethylbenzene by alkylation of benzene with diethyl carbonate over MCM-22 modified by MgO. Reac Kinet Mech Cat 100, 417–425 (2010). https://doi.org/10.1007/s11144-010-0198-7

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  • DOI: https://doi.org/10.1007/s11144-010-0198-7

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