Carbonization and Regeneration of Mo/ZSM-5 Catalysts for Methane Dehydroaromatization
DOI:
https://doi.org/10.18321/ectj622Abstract
The character of carbonaceous deposits formed during methane dehydroaromatization reaction in the presence of Mo/ZSM-5 catalysts was studied by differential thermal analysis. The dependence of the concentration and condensation degree (C/H ratio) of the carbonaceous deposits on the catalyst synthesis conditions (Mo content = 1-10%, Si/Al ratio in the initial H-ZSM-5 = 17-45) and reaction conditions (feed flow
rate = 405-1620 h-1, methane concentration = 90-98%, reaction temperature = 720-780 °C) was investigated.
The oxidative treatment conditions of carbonized Mo/ZSM-5 catalysts providing stable operation of the
catalysts under multiple reaction-oxidative treatment cycles were selected.
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3. Sousa-Aguiar, E.F., Appel, L.G., Mota, C., Catal. Today 101:3 (2005).
4. Krylov, O.V., Kinet. Katal. 40:151 (1999).
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Catalysis, Sofia, Bulgaria, 2005,p. 157.
6. Ross, J.R.H., Catal. Today 100:151 (2005).
7. Rostrup-Nielsen, J.R., Sehested, J., Norskov, J.K., Advanc. Catal. 47:65 (2002).
8. Otsuka, K., Wang, Y., Appl. Catal. A. 222:145 (2001).
9. Bahome, M.C., Jewell, L.L., Hildebrandt, D., Glasser, D., Coville, N. J., Appl. Catal. A. 287:60 (2005).
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11. Wang, H., Cong, Y., Yang, W., Catal. Today 104: 160 (2005).
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20. Noronha, F.B., Fendley, E.C., Soares, R.R., Alvarez, W.E., Resasco, D.E., Chem. Ing. J. 82:21 (2002).
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Published
20-04-2005
How to Cite
Ismagilov, Z. R., Tsikoza, L. T., Matus, E. V., Litvak, G. S., Ismagulova, I. Z., & Sukhova, O. B. (2005). Carbonization and Regeneration of Mo/ZSM-5 Catalysts for Methane Dehydroaromatization. Eurasian Chemico-Technological Journal, 7(2), 115–121. https://doi.org/10.18321/ectj622
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