Synthesis of novel Mo-Ni@Al2O3 catalyst for converting fatty acid esters into diesel-range alkanes with enhanced hydrodeoxygenation selectivity

Cao, Xincheng; Wu, Shiyu; Zhao, Jiaping; Long, Feng; Jia, Shuya; Zhang, Xiaolei; Xu, Junming; Jiang, Jianchun

doi:10.1016/j.apcatb.2023.123506

Cited by 9 publications

(1 citation statement)

References 43 publications

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“…Li et al reported a Cu 1 Fe 1 Al 0.5 catalyst and confirmed that the strong interaction of Cu and Al could prevent Cu from aggregating during recycling. Cao et al prepared a Mo–Ni@Al 2 O 3 catalyst and demonstrated a high dispersion of metals on the surface of the core–shell catalyst. The core–shell structure of the catalyst was confirmed to effectively inhibit Cu aggregation while ensuring uniform distribution of Cu + and Cu 0 active sites at the core–shell interface, which has a stronger synergistic catalytic effect on the hydrogenation of methyl acetate …”

Section: Introductionmentioning

confidence: 99%

Identifying the Active Site and Structure–Activity Relationship in Hydrodeoxygenation of Ester to Alcohols over an Al₂O₃@CuZn Core–Shell Catalyst

Cui,

Yu,

Sun

et al. 2024

ACS Sustainable Chem. Eng.

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Selective hydrogenation of fatty esters to high-value fatty alcohols is highly desirable for the utilization of natural oils. However, the hydration reaction of the support and hydrolysis reaction of the C−O bond can affect the selectivity of the targeted alcohol. Herein, core−shell Al 2 O 3 @Cu 2 Zn 1 -LDO is prepared via the in situ growth of CuZnAl-LDHs on Al 2 O 3 microsphere substrates, followed by a calcination−reduction process. The catalyst achieves a methyl laurate (ML) conversion of 95% and selectivity of 98% for lauryl alcohol (LA) under mild conditions (4 MPa of H 2 and 240 °C). In addition, the three-dimensional (3D) hierarchical structure of the Al 2 O 3 @Cu 2 Zn 1 -LDO catalyst enhances mass diffusion and transport, significantly improving catalytic performance and exhibiting excellent stability in the hydrogenation of fatty esters to fatty alcohols. The hydration reaction between Al 2 O 3 and H 2 O produced during the hydrogenation of fatty acid esters is prevented successfully. Therefore, this work provides a new approach for designing newly structured Cu-based catalysts for the highly selective synthesis of fatty alcohols from natural oils.

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Section: Introductionmentioning

confidence: 99%

Identifying the Active Site and Structure–Activity Relationship in Hydrodeoxygenation of Ester to Alcohols over an Al₂O₃@CuZn Core–Shell Catalyst

Cui,

Yu,

Sun

et al. 2024

ACS Sustainable Chem. Eng.

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Linking Ab initio density functional theory with modelling reaction microkinetics to understand catalytic fatty acids hydro-deoxygenation intermediate species selectivity

Žula,

Kovačič,

Bačar

et al. 2024

Chemical Engineering Journal

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Solvent-free deoxygenation of biolipid into liquid alkanes over bifunctional Ni/B2O3-ZrO2 catalyst

Yu,

Xu,

Liang

et al. 2024

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Synthesis of novel Mo-Ni@Al2O3 catalyst for converting fatty acid esters into diesel-range alkanes with enhanced hydrodeoxygenation selectivity

Cited by 9 publications

References 43 publications

Identifying the Active Site and Structure–Activity Relationship in Hydrodeoxygenation of Ester to Alcohols over an Al₂O₃@CuZn Core–Shell Catalyst

Identifying the Active Site and Structure–Activity Relationship in Hydrodeoxygenation of Ester to Alcohols over an Al₂O₃@CuZn Core–Shell Catalyst

Linking Ab initio density functional theory with modelling reaction microkinetics to understand catalytic fatty acids hydro-deoxygenation intermediate species selectivity

Solvent-free deoxygenation of biolipid into liquid alkanes over bifunctional Ni/B2O3-ZrO2 catalyst

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Synthesis of novel Mo-Ni@Al2O3 catalyst for converting fatty acid esters into diesel-range alkanes with enhanced hydrodeoxygenation selectivity

Cited by 9 publications

References 43 publications

Identifying the Active Site and Structure–Activity Relationship in Hydrodeoxygenation of Ester to Alcohols over an Al2O3@CuZn Core–Shell Catalyst

Identifying the Active Site and Structure–Activity Relationship in Hydrodeoxygenation of Ester to Alcohols over an Al2O3@CuZn Core–Shell Catalyst

Linking Ab initio density functional theory with modelling reaction microkinetics to understand catalytic fatty acids hydro-deoxygenation intermediate species selectivity

Solvent-free deoxygenation of biolipid into liquid alkanes over bifunctional Ni/B2O3-ZrO2 catalyst

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Product

Resources

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Identifying the Active Site and Structure–Activity Relationship in Hydrodeoxygenation of Ester to Alcohols over an Al₂O₃@CuZn Core–Shell Catalyst

Identifying the Active Site and Structure–Activity Relationship in Hydrodeoxygenation of Ester to Alcohols over an Al₂O₃@CuZn Core–Shell Catalyst