Transport and fate of microplastics in wastewater treatment plants: implications to environmental health

Subash Raju, Maddison Carbery, Aswin Kuttykattil, Kala Senathirajah, S. R. Subashchandrabose, Geoffrey Evans, Palanisami Thavamani

Research output: Contribution to journalArticlepeer-review

Abstract

Global studies of microplastic (MP) pollution confirm wastewater treatment plants serve as pathways for microplastics entering terrestrial and aquatic ecosystems. The behaviour, transport and fate of microplastics in wastewater effluents remain mostly unknown, rendering wastewater-derived microplastics as a contaminant of significant concern. We critically examine the literature to understand the sources and fate of microplastics in wastewater treatment plants (WWTPs) and the implications of treated effluents admitted to soil and aquatic systems. The transport of chemical and biological contaminants is also discussed in detail, using fundamental principles of vector relationships. For the removal and reduction of microplastics, profound knowledge is required from source to solution. This review presents a comprehensive overview of the significance of microplastics as a vector of water-borne contaminants in WWTPs.
Original languageEnglish
Pages (from-to)637–653
Number of pages17
JournalReviews in Environmental Science and Biotechnology
Volume17
Early online date3 Oct 2018
DOIs
Publication statusPublished - Dec 2018

Keywords

  • wastewater
  • treatment plant
  • microplastics
  • chemical transport
  • antibiotic-resistant genes
  • vector relationship

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