Selective conversion of 5-hydroxymethylfurfural to diketone derivatives over Beta zeolite-supported Pd catalysts in water

Ramos, Ruben, Grigoropoulos, Alexios, Griffiths, Ben L, Katsoulidis, Alexandros P ORCID: 0000-0003-0860-7440, Zanella, Marco ORCID: 0000-0002-6164-6169, Manning, Troy D ORCID: 0000-0002-7624-4306, Blanc, Frederic ORCID: 0000-0001-9171-1454, Claridge, John B ORCID: 0000-0003-4849-6714 and Rosseinsky, Matthew J ORCID: 0000-0002-1910-2483 (2019) Selective conversion of 5-hydroxymethylfurfural to diketone derivatives over Beta zeolite-supported Pd catalysts in water JOURNAL OF CATALYSIS, 375. pp. 224-233. ISSN 0021-9517, 1090-2694

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Abstract

Conversion of 5-hydroxymethylfurfural (HMF) in water to the linear diketone derivatives 1-hydroxyhexane-2,5-dione (HHD) and 2,5-hexanedione (HXD) was investigated over a series of Beta zeolite-supported transition metal catalysts (Co, Ni, Cu, Ru, Pd). Their catalytic performance was tested in a batch stirred reactor (T = 110 °C, P<inf>H2</inf> = 20 bar) with Pd showing the highest activity and selectivity to HHD and HXD. The effects of Pd particle size, zeolite Si/Al ratio and reaction conditions (T = 80–155 °C, P<inf>H2</inf> = 5–60 bar) were also investigated. The incorporation of Pd into Beta zeolite by the deposition-coprecipitation method produced the most efficient catalyst, affording complete HMF conversion (T = 110 °C, P<inf>H2</inf> = 60 bar) predominantly to HHD (68% selectivity) and HXD (8% selectivity). The combination of a bifunctional acid/redox solid catalyst and water enhances the hydrolytic ring-opening and subsequent hydrogenation of the furan ring. Catalytic activity can be partially restored by a simple regeneration treatment. This work establishes a catalytic route to produce valuable diketone derivatives from renewable furanic platform sources in water.

Item Type:	Article
Uncontrolled Keywords:	5-Hydroxymethylfurfural, HMF conversion, Beta zeolite, Supported Pd catalyst, Hydrogenation, Furan ring-opening
Depositing User:	Symplectic Admin
Date Deposited:	29 Apr 2019 07:57
Last Modified:	22 May 2026 22:18
DOI:	10.1016/j.jcat.2019.04.038
Open Access URL:	https://doi.org/10.1016/j.jcat.2019.04.038
Related Websites:	Author Publisher
URI:	https://livrepository.liverpool.ac.uk/id/eprint/3038530
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