Identification, classification and quantification of microplastics in road dust and stormwater

Monira, Sirajum; Roychand, Rajeev; Bhuiyan, Mohammad Amir Hossain; Hai, Faisal I.; Pramanik, Biplob Kumar

doi:10.1016/j.chemosphere.2022.134389

Cited by 46 publications

(12 citation statements)

References 31 publications

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“…This result indicated that road dust contains larger-sized MPs than stormwater due to water forces in the drainage system, which could break down the large MPs and make their sizes smaller. 35,76 The recovery rate of microplastics was investigated to assess the loss of microplastic particles during sample processing. The average recovery rate for the three processed samples was 90 ± 2.5.…”

Section: Resultsmentioning

confidence: 99%

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Microplastic distribution and ecological risks: investigating road dust and stormwater runoff across land uses

Kabir,

Bhuiyan,

Zhang

et al. 2024

Environ. Sci.: Adv.

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Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

Microplastic distribution and ecological risks: investigating road dust and stormwater runoff across land uses

Kabir,

Bhuiyan,

Zhang

et al. 2024

Environ. Sci.: Adv.

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“…The mechanical forces exerted by the wastewater increase stress and pressure on the MPs. Further collisions and abrasions then elevate the likelihood of fragmentation (Monira et al, 2023). This process causes larger MPs and macroplastics to break down into progressively smaller particles, potentially resulting in the observed relationship in Figure 5.…”

Section: Resultsmentioning

confidence: 99%

Characterizing the Microplastic Content of Biosolids in Southern Ontario, Canada

Letwin,

Gillespie,

Ijzerman

et al. 2024

Enviro Toxic and Chemistry

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The application of biosolids to agricultural land has been identified as a major pathway of microplastic pollution to the environment. Very little research, however, has been done on the microplastic content of biosolids within Canada. Fifteen biosolid samples from different treatment processes (liquid, dewatered, pelletized, and alkali stabilized) were collected from eleven sources across southern Ontario to quantify and characterize the microplastic load within them. All samples exhibited microplastic concentrations ranging from 188,200 (± 24,161) to 512,000 (± 28,571) microplastics/kg dry weight, and 4,122 (± 231) to 453,746 (± 38,194) microplastics/kg wet weight. Field amendment of these biosolids can introduce up to 3.73 x 106 to 4.12 x 108 microplastic/ha of agricultural soil. There was no significant difference in the microplastic concentrations of liquid, dewatered, and pelletized samples, but a reduction in microplastic content was observed in alkali stabilized biosolids. Fragments composed 57.6% of the microplastics identified, while 36.7% were fibres. Additionally, microplastics showed an exponential increase in abundance with decreasing size. Characterization of microplastics confirmed that polyester was the most abundant, while polyethylene, polypropylene, polyamide, polyacrylamide, and polyurethane were present across the majority of biosolid samples. The results of this study provide an estimate of the potential extent of microplastic contamination to agricultural fields through the amendment of biosolids.

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“… De-la-Torre and Aragaw, 2021 ; Deng et al, ; Hellewell et al, 2020 ; Liu et al, 2019 ; Monira et al, 2022 ; Phan and Ching, 2020 ; Wagner et al, 2014 .…”

Section: Uncited Referencesmentioning

confidence: 99%

Generation and consequence of nano/microplastics from medical waste and household plastic during the COVID-19 pandemic

et al. 2023

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Identification, classification and quantification of microplastics in road dust and stormwater

Cited by 46 publications

References 31 publications

Microplastic distribution and ecological risks: investigating road dust and stormwater runoff across land uses

Microplastic distribution and ecological risks: investigating road dust and stormwater runoff across land uses

Characterizing the Microplastic Content of Biosolids in Southern Ontario, Canada

Generation and consequence of nano/microplastics from medical waste and household plastic during the COVID-19 pandemic

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