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Impact of coastal wastewater treatment plants on microplastic pollution in surface seawater and ecological risk assessment

Environmental Pollution 2022 63 citations ? Citation count from OpenAlex, updated daily. May differ slightly from the publisher's own count. Score: 45 ? 0–100 AI score estimating relevance to the microplastics field. Papers below 30 are filtered from public browse.

Ceyhun Akarsu, Ceyhun Akarsu, Ceyhun Akarsu, Ceyhun Akarsu, Ceyhun Akarsu, Ceyhun Akarsu, Ceyhun Akarsu, Ceyhun Akarsu, Ceyhun Akarsu, Vildan Zülal Sönmez Ceyhun Akarsu, Ceyhun Akarsu, Ceyhun Akarsu, Ceyhun Akarsu, Ceyhun Akarsu, Ceyhun Akarsu, Ceyhun Akarsu, Ceyhun Akarsu, Ceyhun Akarsu, Ceyhun Akarsu, Ceyhun Akarsu, Ceyhun Akarsu, Vildan Zülal Sönmez Vildan Zülal Sönmez Vildan Zülal Sönmez Vildan Zülal Sönmez Vildan Zülal Sönmez Vildan Zülal Sönmez Vildan Zülal Sönmez Vildan Zülal Sönmez Nüket Sivri, Vildan Zülal Sönmez Ceyhun Akarsu, Vildan Zülal Sönmez Vildan Zülal Sönmez Ceyhun Akarsu, Ceyhun Akarsu, Vildan Zülal Sönmez Ceyhun Akarsu, Vildan Zülal Sönmez Vildan Zülal Sönmez Vildan Zülal Sönmez Vildan Zülal Sönmez Ceyhun Akarsu, Ceyhun Akarsu, Ceyhun Akarsu, Vildan Zülal Sönmez Ceyhun Akarsu, Vildan Zülal Sönmez Nüket Sivri, Nüket Sivri, Nüket Sivri, Nüket Sivri, Nüket Sivri, Nüket Sivri, Ceyhun Akarsu, Nüket Sivri, Nüket Sivri, Nüket Sivri, Vildan Zülal Sönmez Nüket Sivri, Nüket Sivri, Nüket Sivri, Nüket Sivri, Nüket Sivri, Nüket Sivri, Nüket Sivri, Nüket Sivri, Nüket Sivri, Nüket Sivri, Nüket Sivri, Nüket Sivri, Nüket Sivri, Nüket Sivri, Nüket Sivri, Nüket Sivri, Nüket Sivri, Nüket Sivri, Ceyhun Akarsu, Vildan Zülal Sönmez

Summary

Microplastics were sampled at nine stations along the southern coast of Istanbul's Bosphorus to assess the influence of nearby wastewater treatment plant discharges on surface seawater contamination. Treatment plant outfalls were confirmed as localized hotspots, with ecological risk highest near discharge points.

Polymers

PE PU

Study Type Environmental

This study aims to understand the influence of wastewater treatment plant discharge on the microplastic status in the surface seawater of Istanbul. For this purpose, for the first time, the distribution, composition, and ecological risk of microplastics at nine sampling stations on the southern coast of Istanbul, Marmara, were investigated at monthly intervals over a one-year period. The results showed that the microplastic abundance ranged from 0 to over 1000 particles per liter. Fibers were the dominant form at all stations. Microplastics 249-100 μm were the dominant size, and transparency was the color most found at all stations. Polyethylene and ethylene-vinyl acetate were the major types of microplastics, accounting for 50% overall. The pollution load index revealed that over 70% of sampling stations were at hazard level I. However, the hazardous index was categorized as level III with a value of 662.3 due to the presence of the most hazardous polymer named polyurethane. Further investigations into the risk assessment of MP can reveal crucial knowledge for understanding the microplastic cycle.

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