Journal
JOURNAL OF CATALYSIS
Volume 413, Issue -, Pages 648-657Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.jcat.2022.07.020
Keywords
Biomass; 3-Acetyl-1-propanol; Zeolite; Pd@HZSM-5; Metal/acid balance
Categories
Funding
- National Natural Science Foundation of China [21908203, 22108259]
- China Postdoctoral Science Foundation [2021M692910, 2021M692911]
- Science and Technology Project of Henan Province [212102210192]
- Central Plains Science and Technology Innovation Leader Project [241200510006]
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In this study, Pd@HZSM5 was used as an example to encapsulate Pd nanoparticles in HZSM-5, improving the stability and 3-AP yield of the catalyst. The catalytic performance demonstrated the superiority of the encapsulation effect and provided a promising strategy for the green manufacturing of 3-AP.
Biomass is a promising renewable carbon resource, and bio-based platform molecules such as furan derivatives play an important role in the green manufacturing of high value-added chemicals. Of these, the conversion of 2-methylfuran (2-MF) to 3-acetyl-1-propanol (3-AP) over a bifunctional catalyst has attracted significant interest. However, bifunctional catalysts prepared by traditional method suffer from poor catalytic performance and limited stability due to the agglomeration of metal NPs. Here, Pd@HZSM5, in which Pd NPs were encapsulated in HZSM-5 in situ showed improved stability and 3-AP yield. The highest yield of 3-AP (90.6%) to date was obtained with a nearly 100% conversion of 2-MF. The catalytic performance over a series of Pd@Zeolite confirms the superiority of the encapsulation effect, which is ascribed to the optimal adjustment of metal/acid balance. The Pd@HZSM-5 catalyst displayed excellent stability due to the encapsulation structure, which restricts the Pd NPs agglomeration. The highest yield of 3-AP was obtained at a high concentration of 2-MF (60%), which implies a promising strategy for the green industrial manufacture of 3-AP. This work reports a new bifunctional catalytic system for the green synthesis of 3-AP from 2-MF, thus stimulating the downstream biomass market. (C) 2022 Elsevier Inc. All rights reserved.
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