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Appl Environ Microbiol. 1993 May;59(5):1668-70.

Inactivation of Escherichia coli by titanium dioxide photocatalytic oxidation.

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  • 1Drinking Water Research Division, U.S. Environmental Protection Agency, Cincinnati, Ohio 45268.

Abstract

Titanium dioxide in the anatase crystalline form was used as a photocatalyst to generate hydroxyl radicals in a flowthrough water reactor. Experiments were performed on pure cultures of Escherichia coli in dechlorinated tap water and a surface water sample to evaluate the disinfection capabilities of the reactor. In water devoid of significant amounts of inorganic-radical scavengers, rapid cell death was observed with both pure cultures and members of the indigenous flora in a natural water sample.

PMID:
8390819
PMCID:
PMC182135
[PubMed - indexed for MEDLINE]
Free PMC Article
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