The production of furfuryl alcohol (FFA) from biomass-derived furfural (FF) via selective hydrogenation is challenging due to the diverse unsaturated groups. Herein, a novel hydrotalcite-derived Pt-based catalyst was synthesized to catalyze the selective hydrogenation of FF to FFA in water. Within 2 h at 303 K and 1.5 MPa H 2 , 99.9% conversion of FF with > 99% selectivity to FFA was obtained while the TOF being 204.6 h −1 and the E a being 12.8 kJmol −1 . These results were accounted for by the 2D layered double hydroxides structure of hydrotalcite, which contributed to the high dispersion and effective reduction of Pt species, and the selective adsorption of the aldehyde group of FF on the catalyst, combined with the rapid desorption of the FFA produced. This guaranteed selective and stable hydrogenation over time, with up to four cycles ensured. • A novel catalyst based on Pt nanoparticles supported on 2D lamella hydrotalcite. • Well-dispersed, ultra-small Pt particles on hydrotalcite provided high activity. • Pt 0 species on the catalyst activated H 2 and adsorbed the C O bond in furfural. • 99% yield to furfuryl alcohol was achieved in water at 303 K after 2 h. • The catalyst exhibited high durability and reusability for C O hydrogenation. 

Selective hydrogenation of furfural to furfuryl alcohol in water under mild conditions over a hydrotalcite-derived Pt-based catalyst

Interaction between noble metals (Pt, Pd, Rh, Ir, Ag) and defect-enriched TiO2 and its application in toluene and propene catalytic oxidation

Grass-like NixSey nanowire arrays shelled with NiFe LDH nanosheets as a 3D hierarchical core–shell electrocatalyst for efficient upgrading of biomass-derived 5-hydroxymethylfurfural and furfural

Interaction between Noble Metals (Pt, Pd, Rh, IR, Ag) and Defect-Enriched Tio2 and its Application in Toluene and Propene Catalytic Oxidation

Regulating the Cu0-Cu+ ratio to enhance metal-support interaction for selective hydrogenation of furfural under mild conditions

Catalytic oxidation conversion of biomass-derived resource to high value-added products has evoked considerable interest. Herein, we report a Pt atomic clusters catalyst (size: 1.3 nm) supported on rehydrated layered double hydroxides (denoted as Pt/re-Mg4Al-LDHs), which exhibits great catalytic behavior towards selective oxidation reaction of furfural to furoic acid (conversion: 99 %; yield: 97 %; reaction rate: 676.57 mmol gPt−1 h−1). This result stands at the highest standard compared with reported Pt-based catalysts. A combination research confirms the formation of surface Ptδ− species, due to the local electron transfer from support to Pt atomic clusters. LDHs provide a confined effect to achieve tunable size and highly-stabilized metal clusters, which imposes influence on catalytic performance via metal-support interactions. Both experimental methods (In situ DRIFTS, Raman, EPR and Isotope Labelling MS) and theoretical calculations reveal that the negatively-charged Pt active site plays a crucial role in determining catalytic behavior: C O bond undergoes activation adsorption on Ptδ− site, followed by reaction with H2O (Aldehyde-Water Shift); subsequently, oxygen is activated to generate reactive oxide species (O2−) that serves as a hydrogen acceptor (Oxidative Dehydrogenation) to produce furoic acid. This work displays a valuable paradigm for preparation of noble metal atomic clusters catalysts based on memory effect of LDHs support, which would pave a way for the development of heterogeneous catalysts toward selective oxidation reactions.

Pt atomic clusters catalysts with local charge transfer towards selective oxidation of furfural

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Pt atomic clusters catalysts with local charge transfer towards selective oxidation of furfural