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IJCT Vol.11(3) [May 2004] >

Title: Alkylation of naphthalene with t-butanol over zeolite Y: Influence of reaction environment and reaction kinetics
Authors: Nagotkar, R
Khaire, S S
Mayadevi, S
Sivasanker, S
Keywords: Alkylation
zeolite Y reaction kinetics
Issue Date: May-2004
Publisher: CSIR
IPC CodeC07B 37/00
Abstract: The t-butylation of naphthalene with t-butanol over different Y-zeolites and at different environments is reported. The zeolites investigated are H-Y, RE-Y and three US-Y samples with different Si/Al ratios. Though, as expected, increasing the reaction temperature (160-180 ÂșC) increases naphthalene conversion, increasing the TBA/naphthalene mole ratio beyond 2 results in a decrease in conversion, presumably due to poisoning by the larger amount of water produced during dehydration. Both activity and yield of dialkylnaphthalenes increase on RE exchange and dealumination of H-Y. Higher conversions are obtained when the reaction is conducted under neat conditions than in the presence of the solvent cyclohexane or the added gas, N2.
Page(s): 351-356
ISSN: 0975-0991 (Online); 0971-457X (Print)
Source:IJCT Vol.11(3) [May 2004]

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