Biodegradation of Plastic Wastes in Soil: A Review on Testing and Evaluation Procedures

IF 16.4 1区 化学 Q1 CHEMISTRY, MULTIDISCIPLINARY
Sangeetha Sundar, Hari Krishna Padavala
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引用次数: 0

Abstract

The recalcitrant behaviour of plastic creates an acute pollution on soil and aquatic biota. The plastic polymer synthesised from petroleum takes several hundred years to degrade. During excavation activities on the lands within or at the outskirts of urban limits, single use plastic wrappers and bags that were buried long ago, can be found in large quantities. Researchers have already identified the potentiality of microorganisms to biodegrade the plastic polymers. These microorganisms utilise plastic as a sole source of carbon and mineralise them into carbon dioxide under optimum environmental conditions. This paper provides a brief review on the biodegradation studies carried out by various researchers, spectra of microorganisms identified with the potential to degrade various polymeric substances, methods of testing and evaluations in order to quantify the effectiveness of degradation, their shortfalls and risks involved in implementing bioremediation technique in the field. A review on other related aspects that are deemed to be relevant to this topic are also discussed.
塑料废物在土壤中的生物降解:测试和评估程序综述
塑料的顽固性对土壤和水生生物群造成了严重污染。由石油合成的塑料聚合物需要几百年才能降解。在城市范围内或郊区的土地上进行挖掘活动时,会发现大量埋藏已久的一次性塑料包装纸和塑料袋。研究人员已经发现了微生物对塑料聚合物进行生物降解的潜力。这些微生物利用塑料作为唯一的碳源,并在最佳环境条件下将其矿化成二氧化碳。本文简要回顾了不同研究人员开展的生物降解研究、已确定具有降解各种聚合物物质潜力的微生物谱系、量化降解效果的测试和评估方法、其不足之处以及在该领域实施生物修复技术所涉及的风险。此外,还讨论了被认为与本专题有关的其他相关方面。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Accounts of Chemical Research
Accounts of Chemical Research 化学-化学综合
CiteScore
31.40
自引率
1.10%
发文量
312
审稿时长
2 months
期刊介绍: Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance. Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.
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