Studies on the Germicidal Action of Ozone |
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| Authors: | F Sulzer F Ramadan K Wuhrmann |
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| Institution: | (1) the Federal Institute for Water Supply, Sewage Purification and Water Pollution Control at the Swiss Federal Institute of Technology, Zurich |
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| Abstract: | Summary The germicidal action of highly dilute, aqueous ozone solutions has been investigated. Tests were performed with various bacteria
and yeasts at ozone concentrations between 2 and 50 μg/l, and with fungus spores at concentrations between 50 and 350 μg/l.
Survivor curves and the respective contact-time/concentration relations suggested the following sequence of test organisms
with respect to increasing ozone tolerance:Escherichia coli ≤Streptococcus faecalis≤wine yeast(‘Champagne’)≤Mycobacterium tuberculosis var.avium≪Penicillium not atum (spores). |
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