期刊
ENVIRONMENTAL CHEMISTRY LETTERS
卷 20, 期 2, 页码 1377-1402出版社
SPRINGER HEIDELBERG
DOI: 10.1007/s10311-021-01370-0
关键词
Microplastics; Biotreatment strategies; Microorganisms; Enhanced biodegradation; Combination of removal processes; Biodegradation monitoring
资金
- Hrvatska Zaklada za Znanost,IP-2019-04-9661
Recent research has shown that microplastics, tiny plastic particles, are present everywhere and they have detrimental effects on organisms due to their tendency to bioaccumulate, hazardous additives, and the presence of other contaminants and pathogens on their surface. Biodegradation, though most plastics are not readily biodegradable, is a popular and cost-effective remediation technique that is environmentally friendly. Various bio-cultures such as bacteria, mold, yeast, and algae can be used for biodegradation, and there are analytical and microbiological methods available for monitoring the process. However, currently, no microbial method can completely remove microplastics from the environment within a reasonable time frame, leading to the combination of biodegradation with other methods such as membrane filtration.
Research on plastic pollution has recently evidenced the ubiquitous presence of tiny plastic particles called microplastics. Microplastics alter organisms because microplastics tend to bioaccumulate, they contain hazardous additives, and they carry other contaminants and pathogens adsorbed on their surface. Here, we review the biodegradation of the five most common microplastics: polyethylene, polypropylene, polyvinyl chloride, polyethylene terephthalate, and polystyrene. Despite the fact that most plastics are hardly biodegradable, biodegradation is still a popular remediation techniques because it is highly economical and environmentally friendly. Biodegradation can be done applying single or combined bio-cultures such as bacteria, mold, yeast, and algae. We present analytical and microbiological methods used for monitoring microplastic biodegradation. Actually, no microbial method removes completely microplastics from the environment within a reasonable time interval. As a consequence, the last developments combine biodegradation with other methods such as membrane filtration.
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