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Adsorption and Oxidation Techniques to Remove Organic Pollutants from Water

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Green Adsorbents for Pollutant Removal

Part of the book series: Environmental Chemistry for a Sustainable World ((ECSW,volume 18))

Abstract

The presence of recalcitrant organic pollutants in the environment has become a source of concern due to their detrimental effects. Effective technologies are therefore necessary. The combination of adsorption and advanced oxidation processes is emerging as a green technology for removing organic pollutants. Here, we review the applications of adsorption-advanced oxidation processes to remove organic pollutants from waters. We discuss the fundamentals and synergistic performance of adsorption-Fenton, adsorption-photocatalysis, ultrasound-adsorption and adsorption-Ozonation. There is a growing trend in using bifunctional materials that can act both as adsorbents and catalysts in photocatalysis and heterogeneous Fenton oxidation. Ultrasound irradiation is commonly combined with adsorption to enhance mass transfer through cavitation. However, the contribution of the cavitation-generated radicals has not received much attention. While previous studies have given more emphasis on the synergy of the combined processes in pollutants removal, we highlight the potential of the oxidation processes to simultaneously regenerate adsorbents in the combined processes.

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Correspondence to Mustapha Mohammed Bello .

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Bello, M.M., Raman, A.A.A. (2018). Adsorption and Oxidation Techniques to Remove Organic Pollutants from Water. In: Crini, G., Lichtfouse, E. (eds) Green Adsorbents for Pollutant Removal. Environmental Chemistry for a Sustainable World, vol 18. Springer, Cham. https://doi.org/10.1007/978-3-319-92111-2_8

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