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The valorization of waste materials into functional catalystsCatalyst offers a dual advantage of solid waste managementWaste management and environmental remediation. This chapter presents strategies for converting carbon-rich wastes and electronic wastes into high-performance solid catalystsCatalyst for air pollutant degradation. Solid catalyst derived from industrial waste, agricultural and biomass waste, and catalysts from battery and circuit waste are discussed in detail. Representative examples include acid-activated fly ash catalystsCatalyst, ZnCl2-assisted activated carbons from plant wastes, graphene synthesized from polymer waste using Fe–Al catalystsCatalyst, and CNTs derived from tires, plastics, and petroleum residues. These materials exhibit high surface area, tunable porosity, conductivity, and abundant active sites, making them suitable for oxidationOxidation and reduction reactions. Extracted metals such as Co, Li, Mn, and Fe are converted into metal oxides or graphene, enhancing redox activity and stability for applications in carbon monoxide oxidationOxidation, selective catalytic reduction (SCR) of NOx, and volatile organic compound (VOC) abatement. Emphasis is placed on metal recovery processes, synthesis procedure, and the structural features of the resulting catalystsCatalyst. The sustainable developmentSustainable development goalsSustainable Development Goals (SDGs) of 11 and 13 aligns with the theme of this chapter. By integrating waste-derived precursors into catalyst design, this chapter underscores a sustainable pathway for addressing both solid waste disposal and air pollution, advancing circular economyCircular Economy (CE) and green chemistry principles.

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Waste to Resource: Degradation of Air Pollutants Using Solid Catalysts

  • 章节

  • 发表日期：

    2026年

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  • G Nandakumar Goud,
  • Aditya Kumar,
  • Srinath Suranani,
  • Anjana P. Anantharaman

摘要

The valorization of waste materials into functional catalystsCatalyst offers a dual advantage of solid waste managementWaste management and environmental remediation. This chapter presents strategies for converting carbon-rich wastes and electronic wastes into high-performance solid catalystsCatalyst for air pollutant degradation. Solid catalyst derived from industrial waste, agricultural and biomass waste, and catalysts from battery and circuit waste are discussed in detail. Representative examples include acid-activated fly ash catalystsCatalyst, ZnCl2-assisted activated carbons from plant wastes, graphene synthesized from polymer waste using Fe–Al catalystsCatalyst, and CNTs derived from tires, plastics, and petroleum residues. These materials exhibit high surface area, tunable porosity, conductivity, and abundant active sites, making them suitable for oxidationOxidation and reduction reactions. Extracted metals such as Co, Li, Mn, and Fe are converted into metal oxides or graphene, enhancing redox activity and stability for applications in carbon monoxide oxidationOxidation, selective catalytic reduction (SCR) of NOx, and volatile organic compound (VOC) abatement. Emphasis is placed on metal recovery processes, synthesis procedure, and the structural features of the resulting catalystsCatalyst. The sustainable developmentSustainable development goalsSustainable Development Goals (SDGs) of 11 and 13 aligns with the theme of this chapter. By integrating waste-derived precursors into catalyst design, this chapter underscores a sustainable pathway for addressing both solid waste disposal and air pollution, advancing circular economyCircular Economy (CE) and green chemistry principles.