Environmental microplastics and their additives—a critical review on advanced oxidative techniques for their removal
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Date
2023
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Springer
Abstract
Microplastics (MPs) and their additives are a major concern to the environment and public health due to their toxicity. MPs
originate from different categories of plastics, namely polyethylene (PE), polystyrene (PS), polyvinyl chloride (PVC), and
polyethylene terephthalate (PET). The removal of MPs and their additives including bisphenol A (BPA), nonylphenol (NP),
and tetrabromobisphenol A (TBBPA) has been a major challenge. Recently, advanced oxidation processes (AOPs) have been
demonstrated to be more effective for the removal of MPs and their additives than traditional methods. Meanwhile, there are
still limited studies on the application AOPs for their remediation. Consequently, there is a need for more investigation on the
remediation of MPs and their additives. This review investigates the degradation of common MPs (PE, PS, PVC, and PET)
and their additives (NP, BPA, and TBBPA) using AOPs including photocatalysis (PC), (electrocatalysis) photoelectrocatalysis
(PEC), electro-Fenton (EF), and sonocatalysis. In-depth analyses reveal reactive oxygen species (ROS) as a driving force for
the efficiency of AOPs. The complete removal of environmental MPs and their additives is quite promising with the AOPs.
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