Chaudhari, K. ; Bal, Rajaram ; Chandwadkar, A. J. ; Sivasanker, S. (2002) Beckmann rearrangement of cyclohexanone oxime over mesoporous Si-MCM-41 and Al-MCM-41 molecular sieves Journal of Molecular Catalysis A: Chemical, 177 (2). pp. 247-253. ISSN 1381-1169
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Official URL: http://www.sciencedirect.com/science/article/pii/S...
Related URL: http://dx.doi.org/10.1016/S1381-1169(01)00270-9
Abstract
Si-MCM-41 and Al-MCM-41 with different Al contents (Si/Al=43.9, 23.3 and 14.3) have been prepared using cetyl trimethylammonium bromide as an organic surfactant and characterised by XRD, MAS NMR and N2 sorption studies. The transformation of cyclohexanone oxime into ε-caprolactam has been studied over these molecular sieves. The influences of temperature and feed rate (WHSV) on the yield of caprolactam over the samples have been investigated at different times on stream. The studies reveal that activity and selectivity increase with Al content (investigated upto Si/Al=14) and maximum yield of ε-caprolactam is obtained at ~360 °C.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| Keywords: | Beckmann Rearrangement; Caprolactam; Cyclohexanone Oxime; MCM-41; Mesoporous Materials |
| ID Code: | 47666 |
| Deposited On: | 12 Jul 2011 14:40 |
| Last Modified: | 12 Jul 2011 14:40 |
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