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An insight on sampling, identification, quantification and characteristics of microplastics in solid wastes
Trends in Environmental Analytical Chemistry ( IF 11.2 ) Pub Date : 2022-10-08 , DOI: 10.1016/j.teac.2022.e00181
Palas Samanta , Sukhendu Dey , Debajyoti Kundu , Deblina Dutta , Rohit Jambulkar , Rahul Mishra , Apurba Ratan Ghosh , Sunil Kumar

Microplastics (MPs) have attracted wide attention all over the world as a remarkable pollutant. While MPs are spreading throughout several complex environmental matrices, various experiments till date have been preliminary concentrate on aquatic ecosystems. Terrestrial sources namely solid waste-origin have remains unexplored, although they contribute largely for aquatic microplastics origin. Simultaneously, terrestrial systems under human activity, like healthcare units, are likely to be polluted by various plastic ingredients. Solid waste MPs sources primarily include sanitary landfilling, food waste, wastewater treatment end-product (sludge), tire wear, textile washing and paint failure. These microplastics caused adverse impacts on ecosystem, environment, and health. Accordingly, the present study addressed solid waste MPs’ occurrence and sources, identification, quantification, characterization, fate, and degradation pathways for developing comprehensive management strategies following the principles of circular economy. In particularly, this paper critically demonstrated solid waste MPs sources, solid waste MPs sampling followed by identification and quantification by adopting combined chemical (e.g., spectroscopy viz., Fourier transform infrared (FTIR) spectroscopy, and Raman spectroscopy), physical (e.g., microscopy such as transmission or scanning electronic microscopy, TEM or SEM) and thermal analyses. Additionally, the strengths and limitations of each analytical technique are discussed critically with practical aspect. Further, the MPs related national and international regulations or laws and their subsequent relevance to solid waste MPs management with future challenges are discussed very critically. Finally, the outcomes of the review paper will be valuable to different stakeholders for effective policy implementation.



中文翻译:

对固体废物中微塑料的采样、鉴定、量化和特性的见解

微塑料(MPs)作为一种显着的污染物引起了全世界的广泛关注。虽然 MPs 遍及几个复杂的环境矩阵,但迄今为止的各种实验都初步集中在水生生态系统上。陆地来源(即固体废物来源)仍未开发,尽管它们在很大程度上促成了水生微塑料的来源。同时,人类活动下的陆地系统,如医疗保健单位,可能会受到各种塑料成分的污染。固体废物 MPs 的来源主要包括卫生填埋、食物垃圾、废水处理最终产品(污泥)、轮胎磨损、纺织品洗涤和油漆失效。这些微塑料对生态系统、环境和健康造成了不利影响。因此,本研究探讨了固体废物 MPs 的发生和来源、识别、量化、表征、归宿和降解途径,以根据循环经济原则制定综合管理战略。特别是,本文批判性地论证了固体废物 MPs 的来源,固体废物 MPs 采样后采用联合化学(例如,光谱学,傅里叶变换红外 (FTIR) 光谱学和拉曼光谱学)、物理(例如,显微镜,例如透射或扫描电子显微镜、TEM 或 SEM)和热分析。此外,每种分析技术的优势和局限性都在实践方面进行了批判性讨论。此外,国会议员与国家和国际法规或法律及其随后与未来挑战的固体废物国会议员管理的相关性进行了非常关键的讨论。最后,审查文件的结果将对不同的利益相关者有效地实施政策很有价值。

更新日期:2022-10-08
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