Selective p-xylene production from biomass-derived dimethylfuran and ethylene over zeolite beta nanosponge catalysts

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.
Publisher
ELSEVIER SCIENCE BV
Issue Date
2016-05
Language
English
Keywords

NANOMORPHIC ZEOLITES; TOLUENE ALKYLATION; SURFACE-ACIDITY; MFI; PERFORMANCE; METHANOL; 2,5-DIMETHYLFURAN; NANOSHEETS; SITES; BENZENE

Citation

APPLIED CATALYSIS B-ENVIRONMENTAL, v.185, pp.100 - 109

ISSN
0926-3373
DOI
10.1016/j.apcatb.2015.11.046
URI
http://hdl.handle.net/10203/202382
Appears in Collection
CH-Journal Papers(저널논문)
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