Retrofitting of Five Preliminary Wastewater Treatment Plants in Istanbul (Turkey) to High-Rate Activated Sludge System and/or Post Oxidation

Huseyin Guven*, Malhun Fakioglu, Ilknur Sinop, Izzet Ozturk

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

8 Citations (Scopus)

Abstract

This study investigated the environmental and technical feasibility of the high-rate activated sludge (HRAS) system and post oxidation for five large wastewater treatment plants (WWTPs) of Istanbul Water and Sewerage Administration (ISKI) already discharging effluents into the lower stratum of the Bosporus. A two-year HRAS pilot-scale study was conducted in ISKI Baltalimanı Preliminary WWTP and the results from a semi-technical scale chemical post oxidation (by ozone and ozone + hydrogen peroxide) study were presented. It was found that the proposed treatment configuration is quite energy efficient and could remove chemical oxygen demand (COD) and total suspended solids (TSS) significantly.

Original languageEnglish
Pages (from-to)255-266
Number of pages12
JournalOzone: Science and Engineering
Volume42
Issue number3
DOIs
Publication statusPublished - 3 May 2020

Bibliographical note

Publisher Copyright:
© 2019, © 2019 International Ozone Association.

Keywords

  • cost analysis
  • high-rate activated sludge
  • hydrogen peroxide
  • marine outfall
  • municipal wastewater
  • Ozone
  • post ozonation
  • retrofitting

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