TITLE

Optimization of the ozone dosage at the drinking water treatment plant of Kluizen

AUTHOR(S)
Cromphout, Jan; Goethals, Stefanie; Verdickt, Liesbeth
PUB. DATE
November 2013
SOURCE
Water Science & Technology: Water Supply;2013, Vol. 13 Issue 6, p1569
SOURCE TYPE
Periodical
DOC. TYPE
Article
ABSTRACT
De Watergroep, a Flemish drinking water utility, aims to optimize the ozonation process at the Kluizen surface waterworks in order to obtain sufficient inactivation of pathogenic micro-organisms while minimizing the formation of bromate. In literature, the inactivation of micro-organisms is described as a first order process in ozone exposure (ozone concentration multiplied by exposure time or CT value). In the full-scale plant, the ozone exposure was determined at different temperatures and ozone doses, and an empirical relation between ozone exposure, ozone dose and temperature was derived. Based on the results, the optimum ozone dose required to obtain a Log 2 removal of viruses and a Log 1 removal of Giardia was determined as a function of temperature. Bromate formation was found to be dependent on the ozone dose rather than on the CT value. Therefore, an empirical relation between bromate formation, ozone dose and temperature was established. Bromate formation was found to be far below the legal standard of 10 μg/L when the optimum ozone dose, required to achieve the disinfection goals for viruses and Giardia, is applied.
ACCESSION #
92531551

 

Share

Read the Article

Courtesy of THE LIBRARY OF VIRGINIA

Sorry, but this item is not currently available from your library.

Try another library?
Sign out of this library

Other Topics