Reaction Kinetics, Mechanisms and Catalysis

, Volume 128, Issue 1, pp 235–249 | Cite as

Zinc oxide modified HZSM-5 as an efficient acidic catalyst for hydrogen production by steam reforming of dimethyl ether

  • Tian-Yu Gao
  • Yong-Hua ZhaoEmail author
  • Qi-Jian Zhang
  • Huan Wang
  • Jie Dai
  • Ze Zheng


The parent HZSM-5 was modified with a series content of ZnO via the incipient impregnation method by using Zn(NO3)2·6H2O as a precursor. And the ZnO-modified HZSM-5 physically mixed with a commercial Cu/ZnO/Al2O3 was investigated as a bifunctional catalyst for steam reforming of dimethyl ether (DME). The samples were systematically characterized by XRD, FT-IR, N2 adsorption–desorption at low temperature, and NH3-TPD techniques. It was found that the introduction of ZnO would slightly influence the structure and crystallinity of the parent HZSM-5. Furthermore, the type (Lewis and Brønsted acid) and distribution (strong and weak acid sites) of acid could be adjusted by altering the content of ZnO, which took responsible for the DME conversion, H2 yield, and selectivity of the carbon-containing products. As a result, an efficient catalyst for steam reforming of DME was obtained by adjusting the content of ZnO.


Dimethyl ether Steam reforming Hydrogen HZSM-5 ZnO 



This work was supported by the Natural Science Foundation of Liaoning Province (No. 20180510057).


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Copyright information

© Akadémiai Kiadó, Budapest, Hungary 2019

Authors and Affiliations

  • Tian-Yu Gao
    • 1
  • Yong-Hua Zhao
    • 1
    Email author
  • Qi-Jian Zhang
    • 1
  • Huan Wang
    • 1
  • Jie Dai
    • 1
  • Ze Zheng
    • 1
  1. 1.School of Chemistry & Environmental EngineeringLiaoning University of TechnologyJinzhouChina

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