Promotion of sulfonic acid groups on biomass carbons loading ultrafine palladium nanoparticles for the efficient hydrodeoxygenation of vanillin in water

Ran, Jiansu; Yangcheng, Ruixue; Cui, Yuntong; Wang, Jianjian

doi:10.1016/j.crgsc.2021.100230

Cited by 7 publications

(1 citation statement)

References 51 publications

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“…Vanillin (VAN) is regarded as a typical platform molecule derived from lignin. Selective conversion of VAN to 2-methoxy-4-methylphenol (MMP) has recently gained great attention since the produced MMP can be used as a promising substrate in biofuels and pharmaceuticals. − Many heterogeneous Pd-based catalysts have been designed for the efficient production of MMP from VAN. ,,− Zhang et al reported that >99% selectivity of MMP was obtained from VAN catalyzed by a 2.0 wt % Pd@NH 2 -UiO-66 catalyst at 100 °C for 1 h, and such an excellent catalytic performance was attributed to the synergistic catalysis between Pd nanoparticles (NPs) and the special metal–organic framework carrier . Lv et al reported that >99% MMP selectivity was achieved over a superhydrophilic mesoporous sulfonated melamine-formaldehyde catalyst at 110 °C for 2 h .…”

Section: Introductionmentioning

confidence: 99%

Significant Promotion of Carboxyl Groups in Palladium Nanoparticles-Supported Biomass Carbon Catalysts for Efficient Low-Temperature Hydrodeoxygenation of Lignin Derivatives in Water

Ran

Yangcheng

Cui

et al. 2022

ACS Sustainable Chem. Eng.

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Selective and efficient low-temperature hydrodeoxygenation (HDO) of lignin derivatives in water for the production of valuable biofuel and chemicals is still challenging. Herein, we reported biomass carbon-supported ultrafine Pd nanoparticles as highly active and stable catalysts for low-temperature HDO of vanillin (a typical lignin-derived compound) to 2-methoxy-4methylphenol (MMP). We found that the abundant carboxyl groups on the resultant catalyst greatly accelerated the conversion of the generated intermediate (vanillyl alcohol, VAL), and then, the synergistic catalysis between carboxyl groups and Pd nanoparticles promoted the efficient production MMP through a free-radical pathway. Other lignin derivatives with different functional groups were also efficiently converted to the corresponding products over the prepared catalyst. This work may provide a new idea for designing a biomass-derived catalyst for efficient transformation of various lignin derivatives to produce value-added biofuels and chemicals.

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Section: Introductionmentioning

confidence: 99%

Significant Promotion of Carboxyl Groups in Palladium Nanoparticles-Supported Biomass Carbon Catalysts for Efficient Low-Temperature Hydrodeoxygenation of Lignin Derivatives in Water

Ran

Yangcheng

Cui

et al. 2022

ACS Sustainable Chem. Eng.

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Carboxyl‐Decorated UiO‐66 Supporting Pd Nanoparticles for Efficient Room‐Temperature Hydrodeoxygenation of Lignin Derivatives

Yangcheng,

Li,

et al. 2024

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Hydrodeoxygenation (HDO) of lignin derivatives at room‐temperature (RT) is still of challenge due to the lack of satisfactory activity reported in previous literature. Here, it is successfully designed a Pd/UiO‐66‐(COOH)2 catalyst by using UiO‐66‐(COOH)2 as the support with uncoordinated carboxyl groups. This catalyst, featuring a moderate Pd loading, exhibited exceptional activity in RT HDO of vanillin (VAN, a typical model lignin derivative) to 2‐methoxyl‐4‐methylpheonol (MMP), and >99% VAN conversion with >99% MMP yield is achieved, which is the first metal‐organic framework (MOF)‐based catalyst realizing the goal of RT HDO of lignin derivatives, surpassing previous reports in the literature. Detailed investigations reveal a linear relationship between the amount of uncoordinated carboxyl group and MMP yield. These uncoordinated carboxyl groups accelerate the conversion of intermediate such as vanillyl alcohol (VAL), ultimately leading to a higher yield of MMP over Pd/UiO‐66‐(COOH)2 catalyst. Furthermore, Pd/UiO‐66‐(COOH)2 catalyst also exhibits exceptional reusability and excellent substrate generality, highlighting its promising potential for further biomass utilization.

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Hydrodeoxygenation of Bio-Oils (Eugenol, Vanillin, and Syringol)

Duong,

Phan

2024

Encyclopedia of Renewable Energy, Sustainability and the Environment

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Promotion of sulfonic acid groups on biomass carbons loading ultrafine palladium nanoparticles for the efficient hydrodeoxygenation of vanillin in water

Cited by 7 publications

References 51 publications

Significant Promotion of Carboxyl Groups in Palladium Nanoparticles-Supported Biomass Carbon Catalysts for Efficient Low-Temperature Hydrodeoxygenation of Lignin Derivatives in Water

Significant Promotion of Carboxyl Groups in Palladium Nanoparticles-Supported Biomass Carbon Catalysts for Efficient Low-Temperature Hydrodeoxygenation of Lignin Derivatives in Water

Carboxyl‐Decorated UiO‐66 Supporting Pd Nanoparticles for Efficient Room‐Temperature Hydrodeoxygenation of Lignin Derivatives

Hydrodeoxygenation of Bio-Oils (Eugenol, Vanillin, and Syringol)

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