Selective hydrodeoxygenation of bio-oil model compounds and mixtures over CuCoOx catalysts under mild conditions

Zhang, Zuyi; Wang, Xiaofeng; Wang, Chenxiang; Yan, Ziyi; Zhuang, Guangyao; Ma, Nan; Li, Qingbo

doi:10.1016/j.cej.2024.149367

Chemical Engineering Journal

2024

DOI: 10.1016/j.cej.2024.149367

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Selective hydrodeoxygenation of bio-oil model compounds and mixtures over CuCoOx catalysts under mild conditions

Zuyi Zhang,

Xiaofeng Wang,

Chenxiang Wang

et al.

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Cited by 3 publications

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Highly Efficient and Selective Hydrodeoxygenation of Guaiacol Using Ni‐Supported Honeycomb‐Structured Biochar and Phosphomolybdic Acid

Yin,

Luo,

Nayak

et al. 2024

Chemistry An Asian Journal

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The sustainable development of energy has always been a concern. Upgrading biomass catalysis into hydrocarbon liquid fuels is one of the effective methods. In order to upgrade biomass derivative guaiacol by Hydrodeoxygenation (HDO) catalysis, this article report a three‐dimensional honeycomb structure biochar loaded with Ni nanoparticles and phosphomolybdic acid demonstrating excellent catalytic performance in a short period of time. This is due to the porous structure of biochar, which allows Ni metal nanoparticles to be highly uniformly dispersed on the support, which enhances the catalytic hydrogenation of guaiacol in terms of both rate and efficiency. Furthermore, it was observed that the added phosphomolybdic acid dissolved within the temperature range of 78‐90°C, functioning as a homogeneous catalyst in the process. This proves advantageous, as the phosphomolybdic acid becomes accessible at any location within the porous Ni/C catalyst. The detailed characterization data revealed that the carbon support prepared in this study has a high specific surface area of up to 1375.61 m2/g. Additionally, the phosphomolybdic acid exhibited rich acidity, with Brønsted and Lewis acid contents of 2.55 μmol/g and 21.45 μmol/g, respectively. Reaction data demonstrated that at 240°C for 180 minutes, 100% conversion and 97.9% cyclohexane selectivity were achieved.

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Highly Efficient and Selective Hydrodeoxygenation of Guaiacol Using Ni‐Supported Honeycomb‐Structured Biochar and Phosphomolybdic Acid

Yin,

Luo,

Nayak

et al. 2024

Chemistry An Asian Journal

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Optimization and Reaction Kinetics of Catalytic Transfer Hydrogenation of 5‐Hydroxymethylfurfural to 2,5‐Dimethylfuran over CuCoO_x Catalysts

Yan,

Wang,

Zeng

et al. 2024

ChemCatChem

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From the perspective of reaction kinetics, the catalytic transfer hydrogenation (CTH) reaction of 5‐hydroxymethylfurfural (HMF) was studied in this work. Its hydrogenation product, 2,5‐dimethylfuran (DMF), was a stable and water‐insoluble biofuel alternative to gasoline. In this study, CuCoOx catalysts were used and 2‐propanol (IPA) was the hydrogen donor. The results exhibited that the HMF conversion reached 100% with the complete formation of DMF at 170 °C. Experimental and characterization results revealed that the balance of metal sites and acid sites was critical, which could inhibit the side reactions and enhance the yield of the target product. By adopting the Langmuir–Hinshelwood–Hougen–Watson (LHHW) kinetic model, it was found that direct hydrogen transfer from IPA to HMF predominated over indirect transfer via H2. Moreover, the results revealed that the hydrogenolysis of 2,5‐bis(hydroxymethyl)furan to 5‐methyl furfuryl alcohol was the rate‐limiting step. The kinetic study in this work is expected to provide valuable insights into the industrial optimization of the CTH reaction of HMF and lay the foundation for the study of hydrogen transfer pathways in this process.

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Hydrodeoxygenation of biomass-derived fatty acids and esters to biofuels on RuRe/ZSM-5 catalysts: Synergistic effects of ReOx and Brønsted acid sites

Zhou,

Zhang,

et al. 2024

Fuel

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Selective hydrodeoxygenation of bio-oil model compounds and mixtures over CuCoOx catalysts under mild conditions

Cited by 3 publications

References 61 publications

Highly Efficient and Selective Hydrodeoxygenation of Guaiacol Using Ni‐Supported Honeycomb‐Structured Biochar and Phosphomolybdic Acid

Highly Efficient and Selective Hydrodeoxygenation of Guaiacol Using Ni‐Supported Honeycomb‐Structured Biochar and Phosphomolybdic Acid

Optimization and Reaction Kinetics of Catalytic Transfer Hydrogenation of 5‐Hydroxymethylfurfural to 2,5‐Dimethylfuran over CuCoO_x Catalysts

Hydrodeoxygenation of biomass-derived fatty acids and esters to biofuels on RuRe/ZSM-5 catalysts: Synergistic effects of ReOx and Brønsted acid sites

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Selective hydrodeoxygenation of bio-oil model compounds and mixtures over CuCoOx catalysts under mild conditions

Cited by 3 publications

References 61 publications

Highly Efficient and Selective Hydrodeoxygenation of Guaiacol Using Ni‐Supported Honeycomb‐Structured Biochar and Phosphomolybdic Acid

Highly Efficient and Selective Hydrodeoxygenation of Guaiacol Using Ni‐Supported Honeycomb‐Structured Biochar and Phosphomolybdic Acid

Optimization and Reaction Kinetics of Catalytic Transfer Hydrogenation of 5‐Hydroxymethylfurfural to 2,5‐Dimethylfuran over CuCoOx Catalysts

Hydrodeoxygenation of biomass-derived fatty acids and esters to biofuels on RuRe/ZSM-5 catalysts: Synergistic effects of ReOx and Brønsted acid sites

Contact Info

Product

Resources

About

Optimization and Reaction Kinetics of Catalytic Transfer Hydrogenation of 5‐Hydroxymethylfurfural to 2,5‐Dimethylfuran over CuCoO_x Catalysts