Investigation of microplastic contamination in the sediments of Noyyal River- Southern India

被引:20
作者
Ayyamperumal, Ramamoorthy [1 ,2 ]
Huang, Xiaozhong [2 ]
Li, Fengjie [3 ]
Zhang, Chengjun [1 ]
Chellaiah, Gajendran [4 ]
Gopalakrishnan, Gnanachandrasamy [5 ]
Senapathi, Venkatramanan [6 ]
Perumal, Rajkumar [7 ]
Antony, Justin [8 ]
机构
[1] Lanzhou Univ, Coll Earth Sci, MOE Key Lab Mineral Resources Western China, Lanzhou 730000, Gansu, Peoples R China
[2] Lanzhou Univ, Coll Earth & Environm Sci, MOE Key Lab Western Chinas Environm Syst, Lanzhou 730000, Gansu, Peoples R China
[3] Lanzhou Univ, Sch Hist & Culture, Lanzhou 730000, Gansu, Peoples R China
[4] Inst Technol & Sci, Coimbatore 641114, India
[5] Pondicherry Univ, Dept Earth Sci, Pondicherry, India
[6] Alagappa Univ, Dept Disaster Management, Karaikkudi, TamilNadu, India
[7] Indian Inst Sci, Adv Facil Microscopy & Microanal, Bangalore 560012, India
[8] Indian Inst Sci IISc, Dept Mat Engn, Bangalore 560012, India
来源
JOURNAL OF HAZARDOUS MATERIALS ADVANCES | 2022年 / 8卷
关键词
Sediments; Freshwater environments; Pollution; ATR-FTIR; Noyyal river; MARINE-ENVIRONMENT; SYNTHETIC-FIBERS; SURFACE WATERS; POLLUTION; ACCUMULATION; CHINA; ABUNDANCE; PLASTICS; ESTUARY; REMOTE;
D O I
10.1016/j.hazadv.2022.100198
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
Microplastics (MPs) have received widespread attention as an emerging environmental pollutant. They are ubiq-uitous in the freshwater system and have caused a global environmental issue. The terrestrial component of the Noyyal River sediments microplastic is poorly understood due to a lack of quantification of sources, stores, and fluxes. We have presented catchment-wide patterns of microplastic contamination, classified by type, Shape, size, and color, in channel bed sediments from 15 sites in Coimbatore's urban river catchments. In this research, we identified the concentrations of MPs ranging from 500 to 6500 n/m3 at river mouths (dried sediments). In sediments, microplastics are found in a variety of shapes, colors, and compositions, with green, blue, white, trans-parent, and other colors predominating. MPs components were identified and analyzed by ATR-FTIR (PP, PET, PS, LDPE, and PVAC). The present study is the first comprehensive study of western Tamilnadu, and the findings raise public awareness of the risks of microplastic pollution. This study also discusses the technique used, as well as the impacts and effects of MPs on the environment. Future perspectives are also thoroughly discussed in this study.
引用
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页数:10
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