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A new catalytic process for producing 1,2,4-trimethylbenzene on nano-sized HZSM-5 by methylation of mixed xylene isomers with methanol

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Abstract

High selectivity (>98 %) of 1,2,4-trimethylbenzene (1,2,4-TMB) was achieved on nano-sized HZSM-5 by the methylation of mixed xylene with methanol. When a single xylene isomer was used as the raw material, the yield of 1,2,4-TMB followed the order of p-xylene > m-xylene > o-xylene. The results showed that high 1,2,4-TMB selectivity was mainly due to suitable pore mouths. The synthesis of 1,2,4-TMB by methylation of p-xylene with methanol was also demonstrated to be the most important route among all three xylene isomers according to the final analysis.

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Acknowledgments

The project was supported by the Program for New Century Excellent Talents in University (No.NCET-04-0268).

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Authors and Affiliations

  1. College of Chemistry, Chemical Engineering and Food Safety, BoHai University, Jinzhou, 121013, People’s Republic of China

    Yan Zhao, Dongmei Ren & Xinhua Li

  2. State Key Laboratory of Fine Chemicals, Department of Catalysis Chemistry and Engineering, School of Chemical Engineering, Dalian University of Technology, Dalian, 116012, People’s Republic of China

    Yan Zhao, Wei Tan, Xiangsheng Wang & Xinwen Guo

  3. Department of Chemistry, Single Molecule Study Laboratory, College of Engineering and Nanoscale Science and Engineering Center, University of Georgia, Athens, GA, 30602, USA

    Mengmeng Zhang

Authors
  1. Yan Zhao
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  2. Mengmeng Zhang
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  3. Dongmei Ren
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  4. Wei Tan
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  5. Xinhua Li
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  6. Xiangsheng Wang
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  7. Xinwen Guo
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Correspondence to Dongmei Ren.

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Zhao, Y., Zhang, M., Ren, D. et al. A new catalytic process for producing 1,2,4-trimethylbenzene on nano-sized HZSM-5 by methylation of mixed xylene isomers with methanol. Reac Kinet Mech Cat 114, 519–527 (2015). https://doi.org/10.1007/s11144-014-0800-5

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  • DOI: https://doi.org/10.1007/s11144-014-0800-5

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