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Korean Journal of Chemical Engineering

, Volume 36, Issue 2, pp 210–216 | Cite as

Effect of acidic properties of hierarchical HZSM-5 on the product distribution in methanol conversion to gasoline

  • Huiwen Huang
  • Hui Zhu
  • Qiang Zhang
  • Chunyi LiEmail author
Catalysis, Reaction Engineering
  • 7 Downloads

Abstract

Hierarchical ZSM-5 zeolites with different SiO2/Al2O3 ratio but similar crystal size were directly synthesized by a single-template hydrothermal method, and the intrinsic effect of acidic properties on their catalytic performance in methanol to gasoline (MTG) reaction was comprehensively investigated. The physicochemical properties of HZSM-5 zeolites were characterized by XRD, N2 adsorption-desorption, SEM, NH3-TPD, FTIR, and TGA techniques. The results show good linear correlations between the yields of gasoline components and the relative content of Brønsted acid sites, and the hierarchical HZSM-5 zeolite with SiO2/Al2O3 molar ratio of 200 was firstly found to exhibit high reactivity, excellent product distribution and superior stability in MTG reaction, which can be attributed to its appropriate acid distribution with moderate Brønsted acid sites and proper B/L ratio, predominantly promoting gasoline range hydrocarbons production and inhibiting side reactions.

Keywords

Methanol Gasoline Hierarchical HZSM-5 Zeolites Acidity Deactivation 

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Supplementary material

11814_2018_209_MOESM1_ESM.pdf (120 kb)
Effect of acidic properties of hierarchical HZSM-5 on the product distribution in methanol conversion to gasoline

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Copyright information

© Korean Institute of Chemical Engineers, Seoul, Korea 2019

Authors and Affiliations

  1. 1.State Key Laboratory of Heavy Oil ProcessingChina University of Petroleum (East China)QingdaoChina

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