Effect of methanol dilution on H-ZSM-5 zeolite deactivation in the process of light olefin formation |
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| Authors: | A. .A. Cichowlas P. T. Wierzchowski L. W. Zatorski |
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| Affiliation: | (1) Institute of Organic Chemistry of the Polish Academy of Sciences, ul. Kasprzaka 44/52, 01 224 Warszawa, Poland |
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| Abstract: | Conversion of methanol in the presence of H2O, O2, H2, CO, CO2 and He was studied at 733 K on H-ZSM-5 zeolite. The effect of diluent on the selectivity to light olefins and resistance to coking of H-ZSM-5 were observed. Among the diluents studied only water exerts a promoting effect on prolonged activity of the catalyst. Some explanations of the deactivation process are given.
               H2O, O2, H2, CO, CO2 He     H-ZSM-5 733K.            H-ZSM-5.    .   .
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