Journal
APPLIED CATALYSIS B-ENVIRONMENTAL
Volume 185, Issue -, Pages 100-109Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.apcatb.2015.11.046
Keywords
p-Xylene; Mesoporous zeolite; Cycloaddition; Dimethylfuran; Beta zeolite
Funding
- R&D Convergence Program of MSIP (Ministry of Science, ICT and Future Planning)
- ISTK (Korea Research Council for Industrial Science and Technology) of the Republic of Korea [13-6-KIER]
- [IBS-R004-D1]
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p-Xylene can be synthesized via a renewable route from biomass-derived 2,5-dimethylfuran (DMF) and ethylene with zeolite catalysts. Here, we propose mesoporous beta zeolite with a nanosponge-like morphology (NSP-BEA) as a highly efficient catalyst for the cycloaddition of DMF with ethylene. The NSP-BEA zeolite was synthesized through a hydrothermal synthesis route using multi-ammonium surfactants as a meso-micro dual structure-directing agent. From structural analyses and measurements of the surface acidity, the NSP-BEA was found to be composed of ultrathin zeolitic nanocrystals with intercrystalline mesopores (similar to 4.5 nm). It also possessed a large number of Bronsted acid sites on its external surfaces and in its internal micropores. This NSP-BEA catalyst exhibited high catalytic performance upon a cycloaddition of DMF with ethylene as compared to the commercial beta zeolite, alumina, and silica-alumina catalysts reported previously. (C) 2015 Elsevier B.V. All rights reserved.
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