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Abatement of toluene using a sequential adsorption-catalytic oxidation process : comparative study of potential adsorbent/catalytic materials

Shilpa Sonar, Jean-Marc Giraudon, Savita Kaliya Perumal Veerapandian, Rim Bitar (UGent) , Karen Leus (UGent) , Pascal Van Der Voort (UGent) , Jean-François Lamonier, Rino Morent (UGent) , Nathalie De Geyter (UGent) and Axel Löfberg
(2020) CATALYSTS. 10(7).
Author
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Abstract
A novel strategy for toluene abatement was investigated using a sequential adsorption-regeneration process. Commercial Hopcalite (CuMn2Ox, Purelyst101MD), Ceria nanorods, and UiO-66-SO3H, a metal–organic framework (MOF), were selected for this study. Toluene was first adsorbed on the material and a mild thermal activation was performed afterwards in order to oxidize toluene into CO2 and H2O. The materials were characterized by XRD, N2 adsorption-desorption analysis, H2-TPR and TGA/DSC. The best dynamic toluene adsorption capacity was observed for UiO-66-SO3H due to its hierarchical porosity and high specific surface area. However, in terms of balance between storage and catalytic properties, Hopcalite stands out from others owing to its superior textural/chemical properties promoting irreversible toluene adsorption and outstanding redox properties, allowing a high activity and CO2 selectivity in toluene oxidation. The high conversion of toluene into CO2 which easily desorbs from the surface during heating treatment shows that the sequential adsorption-catalytic thermal oxidation can encompass a classical oxidation process in terms of efficiency, CO2 yield, and energy-cost saving, providing that the bifunctional material displays a good stability in repetitive working conditions.
Keywords
Physical and Theoretical Chemistry, Catalysis, adsorption, catalytic oxidation, sequential adsorption-thermal oxidation, toluene abatement, Hopcalite, nanorod Ceria, UiO-66-SO3H, VOLATILE ORGANIC-COMPOUNDS, COMPOUNDS VOCS, UIO-66, HYDROGEN, REMOVAL, WATER, REGENERATION, FRAMEWORKS, MECHANISM, KINETICS

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Citation

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MLA
Sonar, Shilpa, et al. “Abatement of Toluene Using a Sequential Adsorption-Catalytic Oxidation Process : Comparative Study of Potential Adsorbent/Catalytic Materials.” CATALYSTS, vol. 10, no. 7, 2020, doi:10.3390/catal10070761.
APA
Sonar, S., Giraudon, J.-M., Kaliya Perumal Veerapandian, S., Bitar, R., Leus, K., Van Der Voort, P., … Löfberg, A. (2020). Abatement of toluene using a sequential adsorption-catalytic oxidation process : comparative study of potential adsorbent/catalytic materials. CATALYSTS, 10(7). https://doi.org/10.3390/catal10070761
Chicago author-date
Sonar, Shilpa, Jean-Marc Giraudon, Savita Kaliya Perumal Veerapandian, Rim Bitar, Karen Leus, Pascal Van Der Voort, Jean-François Lamonier, Rino Morent, Nathalie De Geyter, and Axel Löfberg. 2020. “Abatement of Toluene Using a Sequential Adsorption-Catalytic Oxidation Process : Comparative Study of Potential Adsorbent/Catalytic Materials.” CATALYSTS 10 (7). https://doi.org/10.3390/catal10070761.
Chicago author-date (all authors)
Sonar, Shilpa, Jean-Marc Giraudon, Savita Kaliya Perumal Veerapandian, Rim Bitar, Karen Leus, Pascal Van Der Voort, Jean-François Lamonier, Rino Morent, Nathalie De Geyter, and Axel Löfberg. 2020. “Abatement of Toluene Using a Sequential Adsorption-Catalytic Oxidation Process : Comparative Study of Potential Adsorbent/Catalytic Materials.” CATALYSTS 10 (7). doi:10.3390/catal10070761.
Vancouver
1.
Sonar S, Giraudon J-M, Kaliya Perumal Veerapandian S, Bitar R, Leus K, Van Der Voort P, et al. Abatement of toluene using a sequential adsorption-catalytic oxidation process : comparative study of potential adsorbent/catalytic materials. CATALYSTS. 2020;10(7).
IEEE
[1]
S. Sonar et al., “Abatement of toluene using a sequential adsorption-catalytic oxidation process : comparative study of potential adsorbent/catalytic materials,” CATALYSTS, vol. 10, no. 7, 2020.
@article{8671028,
  abstract     = {{A novel strategy for toluene abatement was investigated using a sequential adsorption-regeneration process. Commercial Hopcalite (CuMn2Ox, Purelyst101MD), Ceria nanorods, and UiO-66-SO3H, a metal–organic framework (MOF), were selected for this study. Toluene was first adsorbed on the material and a mild thermal activation was performed afterwards in order to oxidize toluene into CO2 and H2O. The materials were characterized by XRD, N2 adsorption-desorption analysis, H2-TPR and TGA/DSC. The best dynamic toluene adsorption capacity was observed for UiO-66-SO3H due to its hierarchical porosity and high specific surface area. However, in terms of balance between storage and catalytic properties, Hopcalite stands out from others owing to its superior textural/chemical properties promoting irreversible toluene adsorption and outstanding redox properties, allowing a high activity and CO2 selectivity in toluene oxidation. The high conversion of toluene into CO2 which easily desorbs from the surface during heating treatment shows that the sequential adsorption-catalytic thermal oxidation can encompass a classical oxidation process in terms of efficiency, CO2 yield, and energy-cost saving, providing that the bifunctional material displays a good stability in repetitive working conditions.}},
  articleno    = {{761}},
  author       = {{Sonar, Shilpa and Giraudon, Jean-Marc and Kaliya Perumal Veerapandian, Savita and Bitar, Rim and Leus, Karen and Van Der Voort, Pascal and Lamonier, Jean-François and Morent, Rino and De Geyter, Nathalie and Löfberg, Axel}},
  issn         = {{2073-4344}},
  journal      = {{CATALYSTS}},
  keywords     = {{Physical and Theoretical Chemistry,Catalysis,adsorption,catalytic oxidation,sequential adsorption-thermal oxidation,toluene abatement,Hopcalite,nanorod Ceria,UiO-66-SO3H,VOLATILE ORGANIC-COMPOUNDS,COMPOUNDS VOCS,UIO-66,HYDROGEN,REMOVAL,WATER,REGENERATION,FRAMEWORKS,MECHANISM,KINETICS}},
  language     = {{eng}},
  number       = {{7}},
  pages        = {{20}},
  title        = {{Abatement of toluene using a sequential adsorption-catalytic oxidation process : comparative study of potential adsorbent/catalytic materials}},
  url          = {{http://doi.org/10.3390/catal10070761}},
  volume       = {{10}},
  year         = {{2020}},
}
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