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Lanthanum Oxides-Improved Catalytic Performance of ZSM-5 in Toluene Alkylation with Methanol

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Abstract

Lanthanum oxides were real time modified to ZSM-5 during the hydrothermal synthesis of the zeolite. The addition of lanthanum oxides does not change the basic structure of ZSM-5, but obviously decrease the crystallinity and BrÖnsted acid amount. The catalysis tests show that modification of ZSM-5 with lanthanum oxides significantly suppresses the coke formation on the catalyst surface and improves the catalyst stability, which is likely associated with the decrease of BrÖnsted acid amounts and a promotional function of lanthanum oxides for the reaction between coke and water.

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Correspondence to Jianguo Wang.

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Zhang, L., Gao, J., Hu, J. et al. Lanthanum Oxides-Improved Catalytic Performance of ZSM-5 in Toluene Alkylation with Methanol. Catal Lett 130, 355–361 (2009). https://doi.org/10.1007/s10562-009-9965-3

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  • DOI: https://doi.org/10.1007/s10562-009-9965-3

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