Journal
APPLIED CATALYSIS A-GENERAL
Volume 377, Issue 1-2, Pages 76-82Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.apcata.2010.01.022
Keywords
Alkylation; Naphthalene; Diisopropylnaphthalene; SBA-1 mesoporous material
Categories
Funding
- Ministry of Education, Culture, Sports, Science and Technology (MEXT)
- Ministry of Science and Higher Education, Warsaw [N N204 1987 33]
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Alkylation of naphthalene with propylene to diisopropylnaphthalenes (DIPN) for the use as a high-quality solvent was carried out over mesoporous AISBA-1, GaSBA-1 and FeSBA-1 catalysts. The AISBA-1 and GaSBA-1 catalysts were very active in alkylation while the FeSBA-1 samples, although initially active, deactivated quickly. Activity of the SBA-1 catalysts increased with the amount of Al, Ga or Fe incorporation into the silica framework. Regardless of the alkylation activity, all SBA-1 catalysts showed rather low isomerization activity and as a result low 2,6-DIPN selectivity was observed. The AISBA-1 and GaSBA-1 catalysts proved to be promising for DIPN solvent synthesis due to their high alkylation activity and stability together with low 2,6-DIPN selectivity. (C) 2010 Elsevier B.V. All rights reserved.
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