In situ ¹³C NMR monitoring of the dehydration of 2-propanol over H-ZSM-5
The first <i>in situ</i> ¹³C NMR monitoring of zeolite catalyzed reaction is described. The dehydration of 2-propanol over H-ZSM-5 was observed using solution type techniques. Although this produces broad lines, several mechanistic details were elucidated. This study indicates that: 1) t...
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| Format: | Others |
| Language: | en_US |
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Virginia Polytechnic Institute and State University
2015
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| Online Access: | http://hdl.handle.net/10919/52091 |
| Summary: | The first <i>in situ</i> ¹³C NMR monitoring of zeolite catalyzed reaction is described. The dehydration of 2-propanol over H-ZSM-5 was observed using solution type techniques. Although this produces broad lines, several mechanistic details were elucidated. This study indicates that: 1) the dehydration does not proceed through a cyclopropyl carbenium ion intermediate, 2) propene oligomerizes on the catalyst and reaches a steady state concentration before propene is desorbed, and 3) the 2-propanol flowing over the catalyst does not react with the oligomerized propene. === Master of Science |
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