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Zinc supported on alkaline activated HZSM-5 for aromatization reaction

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Abstract

The parent HZSM-5 was activated by NaOH solution with different concentration to obtain a series of alkaline activated HZSM-5-m (m denotes the concentration of NaOH). Zn (2 wt%) was supported on HZSM-5 and HZSM-5-m via the impregnation method by using Zn(NO3)2·6H2O as a precursor. The materials were systematically characterized by XRD, FT-IR, N2 adsorption–desorption at low temperature, and NH3-TPD techniques. It was found that the acidity and textural properties of the HZSM-5-m could be adjusted by altering the concentration of NaOH. Moreover, the amount and distribution of acidity and the pore structure of catalyst had a significantly influence on heptane conversion and aromatics content. As a result, an efficient Zn/HZSM-5-m catalyst for aromatization reaction was obtained by changing the concentration of NaOH.

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Acknowledgements

This work was supported by the science foundation of the Liaoning higher education institutions of China (JL201615404) and the opening project of Guangxi college and universities key laboratory of beibu gulf oil and natural gas resource effective utilization (2016KLOG04).

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Authors and Affiliations

  1. School of Chemistry & Environmental Engineering, Liaoning University of Technology, Jinzhou, 121001, China

    Yong-Hua Zhao, Tian-Yu Gao, Ya-Jie Wang & Yan-Jun Zhou

  2. Guangxi Colleges and Universities Key Laboratory of Beibu Gulf Oil and Natural Gas Resource Effective Utilization, Qinzhou University, Qinzhou, 535011, China

    Yong-Hua Zhao & Gui-Qiu Huang

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  1. Yong-Hua Zhao
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  2. Tian-Yu Gao
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Correspondence to Yong-Hua Zhao.

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Zhao, YH., Gao, TY., Wang, YJ. et al. Zinc supported on alkaline activated HZSM-5 for aromatization reaction. Reac Kinet Mech Cat 125, 1085–1098 (2018). https://doi.org/10.1007/s11144-018-1426-9

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  • DOI: https://doi.org/10.1007/s11144-018-1426-9

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