Impact of Ozone Treatment on Selected Microbiological Parameters
- 1 April 1991
- journal article
- research article
- Published by Taylor & Francis in Ozone: Science & Engineering
- Vol. 13 (2) , 127-145
- https://doi.org/10.1080/01919519108552422
Abstract
A pilot plant study was conducted to evaluate the effects of ozonation on the quality of Colorado River water delivered to the Phoenix (Arizona) Union Hills Water Treatment Plant through the Central Arizona Project canal. Raw and finished water were monitored for basic chemical water quality parameters and for microorganisms including total coliforms, heterotrophic plate count, enteric viruses, Giardia and Crvptosporidium cysts. Ozone, applied through diffusion contactors in dosages optimized to provide the required CT (concentration x contact time) value, was used as a primary disinfectant in two of the four 10 gpm (37.8 L/min) treatment trains.Keywords
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