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Carbon-Based Catalysts for Clean Environmental Remediation

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Abstract

Air pollution, owing to gaseous pollutants, especially NOx, VOCs (toluene), acidic gas (H2S), and elemental mercury (Hg0), and the resulting climate issues have become major concerns. Carbon-based catalysts play a key role in removing toxic gases through selective catalytic reduction (SCR), oxidation, and adsorption processes. Catalyst selection has a crucial effect on the final toxic gas removal performance of catalyst. Herein, strategies for modifying carbon-based catalysts through physical or chemical treatment/activation, metal oxide do**, and heteroatom do** are systematically reviewed. In addition, the effects of the carbonization temperature, pore structure, heteroatom dopants, and oxidizing agents on the surface area, pore structure, and catalytic effects of carbon-based catalysts are analyzed and discussed. Finally, the further direction and need for develo** carbon-based catalysts for environmental remediation is prospected.

Highlights

  • Carbon-based catalysts for environmental remediation are discussed.

  • Modification strategies for carbon-based catalysts are provided in detail.

  • Various air pollutant-removal performances of the modified catalyst are briefed.

  • Challenges and future prospects of carbon catalysts are presented.

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The authors have included all the relevant data and the source of freely available data in the manuscript.

Abbreviations

AC:

Activated catalyst

C/SAC-2:

Chemically activated catalyst

Co/SAC-2:

Co-activated catalyst

NOAC:

N- and O-doped AC

NHPC:

N-doped hierarchical porous carbon

NPC:

N-doped porous carbon

NSDG-10:

N- and S-doped nanoporous carbon

PBC900 :

P-doped biochar

PAN:

Polyacrylonitrile

P/SAC:

Physically activated catalyst

SAC:

Sargassum-Based carbon

SCR:

Selective catalytic reduction

SMC-900:

S-doped mesoporous carbon

SSA:

Specific surface area

WS:

Wheat straw

NG:

Nitrogen doped graphene

ORR:

Oxygen reductive reaction

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Acknowledgements

This research was financially supported by Basic Science Research Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Education (2021R1I1A3050146 & RS-2023-00249553), the Ministry of Science and ICT (MSIT) (No. RS-2023-00218203), and Korea Ministry of Environment (MOE) as Waste to energy recycling Human resource development Project.

Funding

This research was financially supported by Basic Science Research Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Education (2021R1I1A3050146 & RS-2023-00249553), the Ministry of Science and ICT (MSIT) (No. RS-2023-00218203), and Korea Ministry of Environment (MOE) as Waste to energy recycling Human resource development Project.

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Authors and Affiliations

Authors

Contributions

Jae Hwan Yang: Conceptualization, review, editing, and supervision. Ajit Dattatray Phule: Conceptualization, writing-original draft preparation, writing-review and editing. Md. Wahad Uz Zaman: writing-review and editing. Sahar Elkaee: writing-review and editing. Seul Yi Kim: writing-review and editing. Sang Gyu Lee: writing-review and editing. Gibeom Park: writing-review and editing. All authors have read and agreed to the published version of the manuscript.

Corresponding author

Correspondence to Jae Hwan Yang.

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Conflict of interest

The authors declare that they have no known competing financial or non-financial interest that could have appeared to influence the work reported in this paper.

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Phule, A.D., Zaman, M.W.U., Elkaee, S. et al. Carbon-Based Catalysts for Clean Environmental Remediation. Int J Environ Res 18, 3 (2024). https://doi.org/10.1007/s41742-023-00554-6

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  • DOI: https://doi.org/10.1007/s41742-023-00554-6

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