Improved methodology to determine the fate and transport of microplastics in a secondary wastewater treatment plant

Subash Raju, Maddison Carbery, Aswin Kuttykattil, Kala Senthirajah, Anna Lundmark, Zoe Rogers, Suresh SCB, Geoffrey Evans, Thava Palanisami (Corresponding)

Research output: Contribution to journalArticlepeer-review

Abstract

Wastewater treatment plants are a significant pathway of microplastics (MPs) to aquatic environments. To develop suitable management options and reduce microplastic emissions in treated effluent and sludge, we must first develop a reliable method to understand their transport and fate throughout the treatment process. An improved methodology was applied to determine the size, shape, polymer type and partitioning behaviour of MPs using a combination of oxidation treatment, fluorescent staining and Attenuated Total Reflectance Fourier Transform Infrared Spectroscopy (ATR-FTIR) to detect small MPs ≤20 μm in wastewater. The mean number of MPs (
Original languageEnglish
Pages (from-to)115549
JournalWater Research
DOIs
Publication statusPublished - Apr 2020

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