Journal
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
Volume 29, Issue 56, Pages 84056-84075Publisher
SPRINGER HEIDELBERG
DOI: 10.1007/s11356-022-23634-0
Keywords
Heterogeneous catalytic ozonation; Ni-based catalysts; Wastewater pollutant degradation
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Funding
- Consejo Nacional de Ciencia y Tecnologia al proyecto aprobado por el Fondo Sectorial de Investigacion para la educacion [A1-S-30591]
- Programa de apoyos para actividades cientificas, tecnologicas y de innovacion [299909]
- Instituto Politecnico Nacional [20221038, 20220490]
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Heterogeneous catalytic ozonation (HCO) is an advanced oxidation process for wastewater treatment that has gained increasing interest in the degradation of pollutants. This review focuses on the properties and performance of Ni-based catalysts, emphasizing the importance of reactive oxygen species in removing toxic organic compounds.
Among various advanced oxidation processes for wastewater treatment, heterogeneous catalytic ozonation (HCO) has a growing interest in pollutant degradation, e.g., pesticides, pharmaceuticals, cresols, detergents, polymers, dyes, and others. Direct oxidation with ozone can occur by this route or indirectly, generating reactive oxygen species through the catalytic activation of the ozone molecule. Then, many catalytic materials were evaluated, such as unsupported and supported oxides, activated carbon, nanocarbons, carbon nitride, and mesoporous materials. This review focuses on the properties and performance of Ni-based catalysts (NiO, supported NiO, Ni ferrites, and M-Ni bimetallic), emphasizing the reaction mechanisms and the importance of the reactive oxygen species in removing toxic organic compounds.
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