AWWA ACE58302

AWWA ACE58302 Diurnal Filtered Water Particle Count Variations: Causes and Control
Conference Proceeding by American Water Works Association, 06/15/2003

Becker, William C.; Gaffney, Leah; Metzger, Richard; Maier, Paul

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The control (mitigation) of filtered water diurnal particle count variations that many utilities observe was examined in this research. The causes of such variation are attributed to biological activity in the source water - specifically, photosynthesis and respiration. Effective control options include pH control and oxidant addition (ozone, chlorine, or chlorine dioxide) prior to filtration. Includes figures.