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Techniques for Removal and Degradation of Microplastics

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Microplastic Occurrence, Fate, Impact, and Remediation

Abstract

This chapter presents remediation techniques to remove and degrade microplastics. Physical treatments include coagulation, flocculation, flotation, granular filtration, and membrane processes. Targeted removal of microplastics can be done by adsorption on metal-organic frameworks, biochar, biopolymers, and magnetic separation. Microplastics can be degraded by biodegradation, thermal degradation, hydrolytic and mechanical degradation, and advanced oxidation processes such as photodegradation, photocatalytic degradation, electrochemical degradation, Fenton/Fenton-based AOPs, and ozone degradation. About 80% of microplastics can be removed via advanced treatment plants. Advanced oxidation processes are highly efficient in the removal and degradation of microplastics but their implementation on a large scale is challenging.

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Correspondence to Suchith Chellappan .

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Subair, A. et al. (2023). Techniques for Removal and Degradation of Microplastics. In: Wang, C., Babel, S., Lichtfouse, E. (eds) Microplastic Occurrence, Fate, Impact, and Remediation. Environmental Chemistry for a Sustainable World, vol 73. Springer, Cham. https://doi.org/10.1007/978-3-031-36351-1_6

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