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Title: On the effect of zeolite acid property and reaction pathway in Pd–catalyzed hydrogenation of furfural to cyclopentanone
Authors: Gao, Xing
Ding, Yingying
Peng, Lilin
Yang, Dan
Wan, Xiaoyue
Zhou, Chunmei
Liu, Wen
Dai, Yihu
Yang, Yanhui
Keywords: Engineering::Chemical engineering
Issue Date: 2022
Source: Gao, X., Ding, Y., Peng, L., Yang, D., Wan, X., Zhou, C., Liu, W., Dai, Y. & Yang, Y. (2022). On the effect of zeolite acid property and reaction pathway in Pd–catalyzed hydrogenation of furfural to cyclopentanone. Fuel, 314, 123074-.
Journal: Fuel
Abstract: Aqueous phase hydrogenative rearrangement of furfural (FAL) to cyclopentanone (CPO) via furfuryl alcohol (FOL) has been studied over Pd catalysts supported on H–ZSM–5 zeolites. Pd states, zeolite properties and reaction condition parameters were optimized, affording 98% selectivity and 120 h−1 specific reaction rate over 2% Pd/H–ZSM–5(25) catalyst at 160 °C and 3 MPa H2. For hydrogenation of FAL–to–FOL, the activity was related to the Si/Al ratio and acid property of zeolite supports. For hydrogenative rearrangement of FOL–to–CPO, pure H–ZSM–5 zeolite could catalyze single–step conversion with relatively low reaction rate, whereas the presence of Pd sites could achieve multi–step transformation with remarkably increased rate, highlighting Pd–zeolite acid sites synergy. Proton and furanylmethoxy–relevant intermediates were captured with spin trapping electron paramagnetic resonance experiments, and 4–hydroxy–2–cyclopentenone and 2–cyclopentenone were also identified as key intermediates in tandem reaction pathway to produce CPO.
ISSN: 0016-2361
DOI: 10.1016/j.fuel.2021.123074
Schools: School of Chemical and Biomedical Engineering 
Rights: © 2021 Elsevier Ltd. All rights reserved.
Fulltext Permission: none
Fulltext Availability: No Fulltext
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