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Fate of microplastics and other small anthropogenic litter (SAL) in wastewater treatment plants depends on unit processes employed

Environmental Science Water Research & Technology 2016 402 citations ? Citation count from OpenAlex, updated daily. May differ slightly from the publisher's own count.
Marlies R. Michielssen, Elien R. Michielssen, Jonathan Ni, Melissa B. Duhaime

Summary

Researchers tracked the fate of microplastics and other small anthropogenic litter through a wastewater treatment plant, finding that most particles were removed but a substantial number passed through in the effluent. The study highlights that while treatment plants reduce microplastic loads, they cannot fully prevent plastic particles from reaching aquatic environments.

Study Type Environmental

The accumulation of microplastics (plastic particles less than 5 mm) and similarly sized small anthropogenic litter (SAL; e.g., cellulosic products manufactured from natural material) in aquatic ecosystems is a growing concern.

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