Structural Changes of Mo/ZSM-5 Catalysts During the Methane Dehydroaromatization

Authors

  • Z. R. Ismagilov Boreskov Institute of Catalysis, Novosibirsk, Russia
  • E. V. Matus Boreskov Institute of Catalysis, Novosibirsk, Russia
  • I. Z. Ismagilov Boreskov Institute of Catalysis, Novosibirsk, Russia
  • M. A. Kerzhentsev Boreskov Institute of Catalysis, Novosibirsk, Russia
  • V. I. Zaikovskii Boreskov Institute of Catalysis, Novosibirsk, Russia
  • K. D. Dosumov JCS “D.Sokolski Institute of Organic Catalysis and Electrochemistry”, Almaty, Kazakhstan,
  • A. G. Mustafin Bashkir State University, Ufa, Russia

DOI:

https://doi.org/10.18321/ectj20

Abstract

The structure changes of Mo/ZSM-5 catalysts with different Mo content (2 and 10 wt. % Mo) and Si/Al atomic ratio (17, 30 and 45) during the methane dehydroaromatization have been investigated by X-ray powder diffractometry, N2 adsorption and transmission electron microscopy. The treatment of Mo/ZSM-5 catalysts in reducing atmosphere (CH4 or H2) at about 700 oC promotes development of mesoporous system. The pores are open to the exterior of the zeolite grain and have an entrance diameter of ~ 4-10 nm. It is proposed that mesopore formation in Mo/ZSM-5 catalyst is connected with the dealumination of zeolite. The mesopore formation in the parent H-ZSM-5 zeolite by NaOH treatment does not improve the activity of /ZSM-5 catalyst.

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Published

2010-01-22

How to Cite

Ismagilov, Z. R., Matus, E. V., Ismagilov, I. Z., Kerzhentsev, M. A., Zaikovskii, V. I., Dosumov, K. D., & Mustafin, A. G. (2010). Structural Changes of Mo/ZSM-5 Catalysts During the Methane Dehydroaromatization. Eurasian Chemico-Technological Journal, 12(1), 9–16. https://doi.org/10.18321/ectj20

Issue

Vol. 12 No. 1 (2010)

Section

Articles

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