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Kinetics and mechanism of double-bond isomerization of n-butenes over tungsten oxide supported on mesoporous silica SBA-15
| Content Provider | Semantic Scholar |
|---|---|
| Author | F. Charles H. Peden |
| Copyright Year | 2008 |
| Abstract | Introduction It is of fundamental interest to investigate the mechanism of double-bond isomerization of n-butene over solid acid catalysts due to the simplicity of this acid-catalyzed reaction, which involves only cis/trans isomerization and double-bond shift. In previous work, kinetic and mechanistic investigation of double-bond isomerization of butenes has been conducted extensively on alumina and silica-alumina. Several mechanisms have been proposed primarily based on kinetics studies, including the classical carbonium ion[1], concerted hydrogen-switch[2], the combination/competition of the above two mechanisms[3] and πcomplex mechanism[4]. It is obvious that all these postulations were derived from the product distribution (selectivity) in butene isomerization, and no direct evidence about the intermediates or reaction pathway has been reported yet. |
| File Format | PDF HTM / HTML |
| Alternate Webpage(s) | http://www.nacatsoc.org/21nam/data/papers/Paper1459.pdf |
| Language | English |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Article |
