A novel approach for estimating the removal efficiencies of endocrine disrupting chemicals and heavy metals in wastewater treatment processes

Man Ying CHIU, Natalie Degger, Jonathan Y.S. Leung, Beverly H.K. Po, Gene J. Zheng, Bruce J. Richardson, T. C. Lau, Rudolf S.S. Wu*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

15 Citations (Scopus)

Abstract

The wide occurrence of endocrine disrupting chemicals (EDCs) and heavy metals in coastal waters has drawn global concern, and thus their removal efficiencies in sewage treatment processes should be estimated. However, low concentrations coupled with high temporal fluctuations of these pollutants present a monitoring challenge. Using semi-permeable membrane devices (SPMDs) and Artificial Mussels (AMs), this study investigates a novel approach to evaluating the removal efficiency of five EDCs and six heavy metals in primary treatment, secondary treatment and chemically enhanced primary treatment (CEPT) processes. In general, the small difference between maximum and minimum values of individual EDCs and heavy metals measured from influents/effluents of the same sewage treatment plant suggests that passive sampling devices can smooth and integrate temporal fluctuations, and therefore have the potential to serve as cost-effective monitoring devices for the estimation of the removal efficiencies of EDCs and heavy metals in sewage treatment works.

Original languageEnglish
Pages (from-to)53-57
Number of pages5
JournalMarine Pollution Bulletin
Volume112
Issue number1-2
DOIs
Publication statusPublished - 15 Nov 2016

Scopus Subject Areas

  • Oceanography
  • Aquatic Science
  • Pollution

User-Defined Keywords

  • Artificial Mussel
  • Endocrine disrupting chemical
  • Heavy metal
  • Removal efficiency
  • Semi-permeable membrane device

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