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Design of Cu-based MIL-100(Fe) catalyst for propylene-selective catalytic reduction of NOx : combination of activity, characterizations and mechanism

Wei Fu, Muhammad Kashif (UGent) , Chen Cai, Jiayin Chen, Hao Zhou, Bingtao Zhao, Philippe Heynderickx (UGent) and Yaxin Su
(2025) FUEL. 380.
Author
Organization
Abstract
The hydrothermal technique was applied to prepare a new metal–organic framework, MIL-100(Fe), which was modified by ultrasonic impregnation with different wt % of copper. The results showed that the NOx conversion over 2.3Cu-MIL-100(Fe) was 100 % at 275 °C and maintained at ≥ 85 %, with N2 selectivity ≥ 90 % in the temperature range of 275–400 °C and high SO2 resistance. An increase in the Cu content up to 2.3 wt% showed the highest surface area (1206 m2/g) observed in N2 adsorption–desorption. The results show that the introduction of Cu increased the oxygen vacancies on the catalyst surface. Electron transfer and a synergistic effect were observed between Cu and Fe. The shift of the reduction peaks to lower temperatures after the addition of Cu confirmed that Cu improved the reducibility of the catalysts. The 2.3Cu-MIL-100(Fe) exhibited the highest Lewis content (44.97 μmol/g), which functions as an active site for the selective catalytic reduction (SCR) reaction. By precisely controlling the acid-base properties of the catalyst, the specificity for the desired products can be increased in complicated reaction systems, especially in hydrocarbon-SCR technology.
Keywords
Metallic organic framework, MIL-100(Fe), Cu modification, In-situ DRIFTS, C3H6-SCR, POROUS CLAY HETEROSTRUCTURES, PHOTOCATALYTIC DEGRADATION, OXIDE CATALYSTS, LEWIS ACIDITY, ION-EXCHANGE, NITRIC-OXIDE, COPPER, ADSORPTION, FE, TETRACYCLINE

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Citation

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MLA
Fu, Wei, et al. “Design of Cu-Based MIL-100(Fe) Catalyst for Propylene-Selective Catalytic Reduction of NOx : Combination of Activity, Characterizations and Mechanism.” FUEL, vol. 380, 2025, doi:10.1016/j.fuel.2024.133173.
APA
Fu, W., Kashif, M., Cai, C., Chen, J., Zhou, H., Zhao, B., … Su, Y. (2025). Design of Cu-based MIL-100(Fe) catalyst for propylene-selective catalytic reduction of NOx : combination of activity, characterizations and mechanism. FUEL, 380. https://doi.org/10.1016/j.fuel.2024.133173
Chicago author-date
Fu, Wei, Muhammad Kashif, Chen Cai, Jiayin Chen, Hao Zhou, Bingtao Zhao, Philippe Heynderickx, and Yaxin Su. 2025. “Design of Cu-Based MIL-100(Fe) Catalyst for Propylene-Selective Catalytic Reduction of NOx : Combination of Activity, Characterizations and Mechanism.” FUEL 380. https://doi.org/10.1016/j.fuel.2024.133173.
Chicago author-date (all authors)
Fu, Wei, Muhammad Kashif, Chen Cai, Jiayin Chen, Hao Zhou, Bingtao Zhao, Philippe Heynderickx, and Yaxin Su. 2025. “Design of Cu-Based MIL-100(Fe) Catalyst for Propylene-Selective Catalytic Reduction of NOx : Combination of Activity, Characterizations and Mechanism.” FUEL 380. doi:10.1016/j.fuel.2024.133173.
Vancouver
1.
Fu W, Kashif M, Cai C, Chen J, Zhou H, Zhao B, et al. Design of Cu-based MIL-100(Fe) catalyst for propylene-selective catalytic reduction of NOx : combination of activity, characterizations and mechanism. FUEL. 2025;380.
IEEE
[1]
W. Fu et al., “Design of Cu-based MIL-100(Fe) catalyst for propylene-selective catalytic reduction of NOx : combination of activity, characterizations and mechanism,” FUEL, vol. 380, 2025.
@article{01J83T3E2FA0PNTH1Q069E2FNJ,
  abstract     = {{The hydrothermal technique was applied to prepare a new metal–organic framework, MIL-100(Fe), which was modified by ultrasonic impregnation with different wt % of copper. The results showed that the NOx conversion over 2.3Cu-MIL-100(Fe) was 100 % at 275 °C and maintained at ≥ 85 %, with N2 selectivity ≥ 90 % in the temperature range of 275–400 °C and high SO2 resistance. An increase in the Cu content up to 2.3 wt% showed the highest surface area (1206 m2/g) observed in N2 adsorption–desorption. The results show that the introduction of Cu increased the oxygen vacancies on the catalyst surface. Electron transfer and a synergistic effect were observed between Cu and Fe. The shift of the reduction peaks to lower temperatures after the addition of Cu confirmed that Cu improved the reducibility of the catalysts. The 2.3Cu-MIL-100(Fe) exhibited the highest Lewis content (44.97 μmol/g), which functions as an active site for the selective catalytic reduction (SCR) reaction. By precisely controlling the acid-base properties of the catalyst, the specificity for the desired products can be increased in complicated reaction systems, especially in hydrocarbon-SCR technology.}},
  articleno    = {{133173}},
  author       = {{Fu, Wei and Kashif, Muhammad and Cai, Chen and Chen, Jiayin and Zhou, Hao and Zhao, Bingtao and Heynderickx, Philippe and Su, Yaxin}},
  issn         = {{0016-2361}},
  journal      = {{FUEL}},
  keywords     = {{Metallic organic framework,MIL-100(Fe),Cu modification,In-situ DRIFTS,C3H6-SCR,POROUS CLAY HETEROSTRUCTURES,PHOTOCATALYTIC DEGRADATION,OXIDE CATALYSTS,LEWIS ACIDITY,ION-EXCHANGE,NITRIC-OXIDE,COPPER,ADSORPTION,FE,TETRACYCLINE}},
  language     = {{eng}},
  pages        = {{13}},
  title        = {{Design of Cu-based MIL-100(Fe) catalyst for propylene-selective catalytic reduction of NOx : combination of activity, characterizations and mechanism}},
  url          = {{http://doi.org/10.1016/j.fuel.2024.133173}},
  volume       = {{380}},
  year         = {{2025}},
}
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