Reducing pathogens in combined sewer overflows using ozonation or UV irradiation

Katharina Tondera; K Klaer; J Gebhardt; J Wingender; C Koch; M Horstkott; M Strathmann; L Jurzik; I A Hamza; J Pinnekamp

doi:10.1016/j.ijheh.2015.09.002

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Reducing pathogens in combined sewer overflows using ozonation or UV irradiation

Journal article

Peer reviewed

Reducing pathogens in combined sewer overflows using ozonation or UV irradiation

Katharina Tondera, K Klaer, J Gebhardt, J Wingender, C Koch, M Horstkott, M Strathmann, L Jurzik, I A Hamza and J Pinnekamp

International Journal of Hygiene and Environmental Health, Vol.218(8), pp.731-741

2015

DOI: https://doi.org/10.1016/j.ijheh.2015.09.002

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Abstract

viruses

bacteria

parasites

disinfection

Monte Carlo simulation

log-normal distribution

Fecal contamination of water resources is a major public health concern in densely populated areas since these water bodies are used for drinking water production or recreational purposes. A main source of this contamination originates from combined sewer overflows (CSOs) in regions with combined sewer systems. Thus, the treatment of CSO discharges is urgent. In this study, we explored whether ozonation or UV irradiation can efficiently reduce pathogenic bacteria, viruses, and protozoan parasites in CSOs. Experiments were carried out in parallel settings at the outflow of a stormwater settling tank in the Ruhr area, Germany. The results showed that both techniques reduce most hygienically relevant bacteria, parasites and viruses. Under the conditions tested, ozonation yielded lower outflow values for the majority of the tested parameters. © 2015 Elsevier GmbH.

Details

Title: Reducing pathogens in combined sewer overflows using ozonation or UV irradiation
Authors: Katharina Tondera (Author) - Institute of Environmental Engineering of RWTH Aachen University (ISA), Germany
K Klaer (Author) - Institute of Environmental Engineering of RWTH Aachen University (ISA), Germany
J Gebhardt (Author) - Xylem Services GmbH, Boschstr, Germany
J Wingender (Author) - University Duisburg-Essen, Germany
C Koch (Author) - Institute for Hygiene and Public Health (IHPH), Germany
M Horstkott (Author) - University Duisburg-Essen, Germany
M Strathmann (Author) - IWW Rheinisch-Westfaelisches Institut fuer Wasser, Germany
L Jurzik (Author) - Ruhr-University Bochum (RUB), Germany
I A Hamza (Author) - Ruhr-University Bochum (RUB), Germany
J Pinnekamp (Author) - Institute of Environmental Engineering of RWTH Aachen University (ISA), Germany
Publication details: International Journal of Hygiene and Environmental Health, Vol.218(8), pp.731-741
Publisher: Elsevier GmbH - Urban und Fischer
Date published: 2015
DOI: 10.1016/j.ijheh.2015.09.002
ISSN: 1438-4639
Organisation Unit: University of the Sunshine Coast, Queensland
Language: English
Record Identifier: 99451059602621
Output Type: Journal article

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Collaboration types: Domestic collaboration
Web Of Science research areas: Infectious Diseases; Public, Environmental & Occupational Health

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