Abstract
In this article, the catalytic conversion of oxygenated compounds (methyl acetate and 4-heptanone) to gasoline has been studied over NH4-ZSM-5 catalyst (Si/Al = 80) at three temperatures of 250, 300, and 390 °C. To determine the crystalline structure and acid sites of the catalyst, X-ray diffraction analysis (XRD) and NH3-TPD analysis were used, respectively. Products selectivity became determined by a GC‐Mass spectrometer. Based on the NH3-TPD analysis, Brønsted acid sites at 390 °C are activating, which the maximum amount of conversion obtained at this temperature. Also, results showed that the distribution of hydrocarbons extremely dependent on the temperature of the reaction, which at 390 °C often products of the reaction include aromatic compounds, while at temperatures below 300 °C aliphatic and olefin compounds have been often produced. Finally, the results from the reaction showed that by controlling the reaction conditions, the amount percentage of benzene, toluene, and xylenes (BTX) compounds is significantly reduced.
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We would like to thank to the Isfahan University of Technology research council for financial support.
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Rostami, M.S., Dabbagh, H.A. & Rostami, S. Investigation of the mechanism and effect of temperature on the reaction of conversion of oxygenated compounds to gasoline over NH4-ZSM-5. J IRAN CHEM SOC 19, 121–130 (2022). https://doi.org/10.1007/s13738-021-02291-z
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DOI: https://doi.org/10.1007/s13738-021-02291-z