Occurrence, quantification and characterisation of microplastics in Godavari River, India
2023
Vijaykumar Sekar | Baranidharan Sundaram
One of the difficult and well-known pollutants that has a negative impact on human health is Microplastics (MPs). This study's primary goal is to present the state of our understanding of the evidence, quantification, origin, and effects of MPs in the Godavari River. According to the quantitative analysis of our investigation (digestion, separation, filtration, and characterization), the mean MP concentration in the river was found to be 3.9 items/L (3900 Items/m3). MPs were found at all six sites, with concentrations ranging from 6.5 to 2.2 items/L (6500–2200 items/m3).The most prevalent MP shape was fiber (81.5 %), followed by foam (13.2%), fragments (4.4%), and film (0.7%). The MP colors observed in the river were blue (26%), Transparent (25%), pink (17%), yellow (9%), black (8%), white (6%), green (3%), red (2%), and violet (0.7%). From the chemical characterization by ATR-FTIR, the polymers detected were polypropylene (PP), high-density polyethylene (HDPE), low-density polyethylene (LDPE), (acrylonitrile butadiene styrene) ABS, (acrylonitrile butadiene styrene) EVA, (polystyrene) PS, and nylon. Urban areas have higher MP concentrations than less populated areas. Through direct or indirect consumption, the MPs in the Godavari River may present a risk to agriculture, and living beings. The current study adds to the understanding of MP pollution in the Godavari River and provides baseline data that can be used to assess precise mitigation.
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