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 and L W Zatorski |
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Institution: | (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.
![Kcy](/content/x36635441874un2w/xxlarge1050.gif) ![ocy](/content/x36635441874un2w/xxlarge1086.gif) ![ncy](/content/x36635441874un2w/xxlarge1085.gif) ![vcy](/content/x36635441874un2w/xxlarge1074.gif) ![iecy](/content/x36635441874un2w/xxlarge1077.gif) ![rcy](/content/x36635441874un2w/xxlarge1088.gif) ![scy](/content/x36635441874un2w/xxlarge1089.gif) ![icy](/content/x36635441874un2w/xxlarge1080.gif) ![mcy](/content/x36635441874un2w/xxlarge1084.gif) ![iecy](/content/x36635441874un2w/xxlarge1077.gif) ![tcy](/content/x36635441874un2w/xxlarge1090.gif) ![acy](/content/x36635441874un2w/xxlarge1072.gif) ![ncy](/content/x36635441874un2w/xxlarge1085.gif) ![ocy](/content/x36635441874un2w/xxlarge1086.gif) ![lcy](/content/x36635441874un2w/xxlarge1083.gif) ![pcy](/content/x36635441874un2w/xxlarge1087.gif) ![rcy](/content/x36635441874un2w/xxlarge1088.gif) ![icy](/content/x36635441874un2w/xxlarge1080.gif) ![scy](/content/x36635441874un2w/xxlarge1089.gif) ![ucy](/content/x36635441874un2w/xxlarge1091.gif) ![tcy](/content/x36635441874un2w/xxlarge1090.gif) ![scy](/content/x36635441874un2w/xxlarge1089.gif) ![tcy](/content/x36635441874un2w/xxlarge1090.gif) ![vcy](/content/x36635441874un2w/xxlarge1074.gif) ![icy](/content/x36635441874un2w/xxlarge1080.gif) H2O, O2, H2, CO, CO2 He ![bcy](/content/x36635441874un2w/xxlarge1073.gif) ![ycy](/content/x36635441874un2w/xxlarge1099.gif) ![lcy](/content/x36635441874un2w/xxlarge1083.gif) ![icy](/content/x36635441874un2w/xxlarge1080.gif) ![scy](/content/x36635441874un2w/xxlarge1089.gif) ![scy](/content/x36635441874un2w/xxlarge1089.gif) ![lcy](/content/x36635441874un2w/xxlarge1083.gif) ![iecy](/content/x36635441874un2w/xxlarge1077.gif) ![dcy](/content/x36635441874un2w/xxlarge1076.gif) ![ocy](/content/x36635441874un2w/xxlarge1086.gif) ![vcy](/content/x36635441874un2w/xxlarge1074.gif) ![acy](/content/x36635441874un2w/xxlarge1072.gif) ![ncy](/content/x36635441874un2w/xxlarge1085.gif) ![ncy](/content/x36635441874un2w/xxlarge1085.gif) ![tscy](/content/x36635441874un2w/xxlarge1094.gif) ![iecy](/content/x36635441874un2w/xxlarge1077.gif) ![ocy](/content/x36635441874un2w/xxlarge1086.gif) ![lcy](/content/x36635441874un2w/xxlarge1083.gif) ![icy](/content/x36635441874un2w/xxlarge1080.gif) ![tcy](/content/x36635441874un2w/xxlarge1090.gif) H-ZSM-5 ![pcy](/content/x36635441874un2w/xxlarge1087.gif) ![rcy](/content/x36635441874un2w/xxlarge1088.gif) 733K. ![Rcy](/content/x36635441874un2w/xxlarge1056.gif) ![acy](/content/x36635441874un2w/xxlarge1072.gif) ![zcy](/content/x36635441874un2w/xxlarge1079.gif) ![bcy](/content/x36635441874un2w/xxlarge1073.gif) ![acy](/content/x36635441874un2w/xxlarge1072.gif) ![vcy](/content/x36635441874un2w/xxlarge1074.gif) ![icy](/content/x36635441874un2w/xxlarge1080.gif) ![tcy](/content/x36635441874un2w/xxlarge1090.gif) ![iecy](/content/x36635441874un2w/xxlarge1077.gif) ![lcy](/content/x36635441874un2w/xxlarge1083.gif) 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![ocy](/content/x36635441874un2w/xxlarge1086.gif) ![scy](/content/x36635441874un2w/xxlarge1089.gif) ![tcy](/content/x36635441874un2w/xxlarge1090.gif) ![kcy](/content/x36635441874un2w/xxlarge1082.gif) ![ocy](/content/x36635441874un2w/xxlarge1086.gif) ![kcy](/content/x36635441874un2w/xxlarge1082.gif) ![scy](/content/x36635441874un2w/xxlarge1089.gif) ![ocy](/content/x36635441874un2w/xxlarge1086.gif) ![vcy](/content/x36635441874un2w/xxlarge1074.gif) ![acy](/content/x36635441874un2w/xxlarge1072.gif) ![ncy](/content/x36635441874un2w/xxlarge1085.gif) ![icy](/content/x36635441874un2w/xxlarge1080.gif) H-ZSM-5. ![Scy](/content/x36635441874un2w/xxlarge1057.gif) ![rcy](/content/x36635441874un2w/xxlarge1088.gif) ![iecy](/content/x36635441874un2w/xxlarge1077.gif) ![dcy](/content/x36635441874un2w/xxlarge1076.gif) ![icy](/content/x36635441874un2w/xxlarge1080.gif) ![zcy](/content/x36635441874un2w/xxlarge1079.gif) ![ucy](/content/x36635441874un2w/xxlarge1091.gif) 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