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Inactivation of Escherichia coli by titanium dioxide photocatalytic oxidation.
Citation:
Ireland*, J., P. Klosterman*, AND R M. Clark*. Inactivation of Escherichia coli by titanium dioxide photocatalytic oxidation. APPLIED AND ENVIRONMENTAL MICROBIOLOGY. American Society for Microbiology, Washington, DC, 59(5):1668-1670, (1993).
Impact/Purpose:
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Description:
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.
