Journal
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
Volume 29, Issue 44, Pages 65887-65903Publisher
SPRINGER HEIDELBERG
DOI: 10.1007/s11356-022-22004-0
Keywords
Microplastics; Natural weathering; Biodegradation; Toxicity
Categories
Funding
- Natural Science Foundation of China [42177359]
- Special Fund of State Key Joint Laboratory of Environment Simulation and Pollution Control [19K04ESPCT]
- Natural Science Foundation of Beijing [8212030]
- Fundamental Research Funds for the Central Universities [FRF-TP-20-010A3]
- Open Fund of National Engineering Laboratory for Site Remediation Technologies [NEL-SRT201907]
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This work provides a comprehensive summary of the state-of-the-art developments in the breakdown of microplastics, including various degradation processes and characterization techniques. Furthermore, it highlights the importance of further research on the toxicity evaluation of microplastics breakdown products and the exploration of uncultivable microplastics degraders.
Microplastics pollution is becoming a major environmental issue, and exposure to microplastics has been associated with numerous adverse results to both the ecological system and humans. This work summarized the state-of-the-art developments in the breakdown of microplastics, including natural weathering, catalysts-assisted breakdown and biodegradation. Characterization techniques for microplastic breakdown involve scanning electron microscopy, Fourier infrared spectroscopy, X-ray photoelectron spectroscopy, etc. Bioavailability and adsorption capacity of microplastics may change after they are broken down, therefore leading to variety in microplastics toxicity. Further prospectives for should be focused on the determination and toxicity evaluation of microplastics breakdown products, as well as unraveling uncultivable microplastics degraders via cultivation-independent approaches. This work benefits researchers interested in environmental studies, particularly the removal of microplastics from environmental matrix.
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