Reducing pathogens in combined sewer overflows using ozonation or UV irradiation

被引：37

作者：

Tondera, Katharina ^{[1
]}

Klaer, Kassandra ^{[1
]}

Gebhardt, Jens ^{[2
]}

Wingender, Jost ^{[3
]}

Koch, Christoph ^{[4
]}

Horstkott, Marina ^{[3
]}

Strathmann, Martin ^{[5
]}

Jurzik, Lars ^{[6
]}

Hamza, Ibrahim Ahmed ^{[6
]}

Pinnekamp, Johannes ^{[1
]}

机构：

[1] RWTH Aachen Univ ISA, Inst Environm Engn, D-52056 Aachen, Germany

[2] Xylem Serv GmbH, D-32051 Herford, Germany

[3] Univ Duisburg Essen, Biofilm Ctr, D-45141 Essen, Germany

[4] IHPH, D-53105 Bonn, Germany

[5] IWW Rhein Westfael Inst Wasser, D-45476 Mulheim, Germany

[6] Ruhr Univ Bochum, Dept Hyg Social & Environm Med, D-44801 Bochum, Germany

来源：

INTERNATIONAL JOURNAL OF HYGIENE AND ENVIRONMENTAL HEALTH | 2015年 / 218卷 / 08期

关键词：

Viruses; Bacteria; Parasites; Disinfection; Monte Carlo simulation; Log-normal distribution; URBAN STORMWATER RUNOFF; SEWAGE-TREATMENT PLANTS; MUNICIPAL WASTE-WATER; HEPATITIS-A VIRUS; ESCHERICHIA-COLI; COMPARATIVE INACTIVATION; QUANTITATIVE DETECTION; OZONE; DISINFECTION; QUALITY;

D O I：

10.1016/j.ijheh.2015.09.002

中图分类号：

R1 [预防医学、卫生学];

学科分类号：

1004 ; 120402 ;

摘要：

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. (C) 2015 Elsevier GmbH. All rights reserved.

引用

页码：731 / 741

页数：11

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