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Title: Ethylation of benzene over AFI type molecular sieves
Authors: Raj, K Joseph Antony
Vijayaraghavan, V R
Keywords: Ethylation
molecular sieves
Issue Date: Sep-2004
Publisher: CSIR
IPC CodeC07 C 15/04, C01 B 39/54
Abstract: Large pore aluminophosphate-based molecular sieves, MgMnAPO-5 and MnZnAPO-5, were synthesized by hydrothermal methods. The samples were characterised by the techniques of XRD, FT-IR, 31P and 27Al MAS-NMR spectra, BET-surface area, n-butylamine-TPD and ICP-MS chemical analysis. The catalytic performance of these materials has been examined for ethylation of benzene with ethanol in the vapour phase. The products were ethylbenzene, p-diethylbenzene, m-diethylbenzene, o-diethylbenzene and PAB[(1,2,4 and 1,3,5-triethylbenzene) and (1,2,4,5-tetraethylbenzene)]. Maximum conversion (20.6%) was observed at 400oC over MnZnAPO-5.
Page(s): 678-682
ISSN: 0975-0991 (Online); 0971-457X (Print)
Source:IJCT Vol.11(5) [September 2004]

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