期刊
JOURNAL OF HAZARDOUS MATERIALS
卷 418, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.jhazmat.2021.126377
关键词
Advanced oxidation processes; Microplastic degradation; Biodegradation; Useful products
资金
- Guangdong Province Universities and Colleges Pearl River Scholar Funded Scheme
- National Natural Science Foundation of China [42077364]
- National Key Research and Development Program of China [2018YFD0900604]
- Key Research Projects of Universities in Guangdong Province [2019KZDXM003, 2020KZDZX1040]
Microplastics pollution is a global environmental concern due to its severe threat to biota, yet research on elimination methods remains limited. Studies have focused on methods such as AOPs and biodegradation, showing promising results in laboratory conditions but with limitations in achieving complete degradation.
Microplastics (MPs) pollution has become a global environmental concern because of their severe threat to biota. However, limited studies on the elimination of MPs pollution were reported. The conventional treatment methods were not suitable for MPs owing to their smaller size than plastic items. Hence many methods for MPs treatment have been examined. This review summarized the recently reported MPs degradation methods including AOPs (direct photodegradation, photocatalytic oxidation, and electrochemical oxidation) and biodegradation, corresponding degradation mechanism as well as current development state. The characteristics and limitations of each technique were discussed in detail. We found that all of them achieved almost satisfying degradation performance of MPs, but most of them exhibited that MPs can only be degraded partially into useful products or even CO2 and H2O under lab conditions. Given these, some recommendations for future research directions were proposed based on the knowledge gaps in these reported literatures. The aim of this review is to give a comprehensive introduction of several MPs degradation methods and acquaint the readers with the current research status of MPs degradation.
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