期刊
CHEMSUSCHEM
卷 9, 期 12, 页码 1473-1482出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/cssc.201600186
关键词
aluminum; biomass; heterogeneous catalysis; structure-activity relationships; zeolites
资金
- Iowa Energy Center under IEC Grant [13-01]
The production of aromatic hydrocarbons from cellulose by zeolite-catalyzed fast pyrolysis involves a complex reaction network sensitive to the zeolite structure, crystallinity, elemental composition, porosity, and acidity. The interplay of these parameters under the reaction conditions represents a major roadblock that has hampered significant improvement in catalyst design for over a decade. Here, we studied commercial and laboratory-synthesized ZSM-5 zeolites and combined data from 10 complementary characterization techniques in an attempt to identify parameters common to high-performance catalysts. Crystallinity and framework aluminum site accessibility were found to be critical to achieve high aromatic yields. These findings enabled us to synthesize a ZSM-5 catalyst with enhanced activity, which offers the highest aromatic hydrocarbon yield reported to date.
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