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Bactericidal Effects of High Airborne Ozone Concentrations on Escherichia coli and Staphylococcus aureus

 

作者: W.J. Kowalski,   W.P. Bahnfleth,   T.S. Whittam,  

 

期刊: Ozone: Science & Engineering  （Taylor Available online 1998）
卷期: Volume 20, issue 3  

页码: 205-221

 

ISSN:0191-9512

 

年代: 1998

 

DOI:10.1080/01919519808547272

 

出版商: Taylor & Francis Group

 

关键词: Ozone;Disinfection;Airborne Pathogens;Respiratory Infections;Microbial IAQ;Ultrasonication;Disinfection Kinetics;Survival Curves;Tailing;Clumping;E. coli, S. aureus;Surface Disinfection

 

数据来源: Taylor

 

摘要:

The bactericidal effects of high concentrations of airborne ozone were tested againstEscherichia coliandStaphylococcus aureus. Petri dishes containing the microorganisms were inserted in a chamber and exposed for 10 - 480 seconds to ozone concentrations between 300 and 1500 ppm. Death rates in excess of 99.99% were achieved for both species. The mechanism of inactivation accorded with the predictions of first- and second-order kinetics, suggesting that the disinfection action of ozone in air parallels the action of ozone in water.

 

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