Home\Featured\Potable Reuse Using Ozone-Biofiltration (Webcast)

Potable Reuse Using Ozone-Biofiltration (Webcast)

September 26, 2018 @ 2:00 pm – 3:30 pm

2:00 p.m. – 3:30 p.m. Eastern
11:00 a.m. – 12:30 p.m. Pacific
PDHs: 1.5
Fee: WateReuse members and WRF subscribers: Free; Others: $49

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Increasing demand on available water supplies has led many utilities to consider potable reuse. Typical projects rely on treatment processes such as microfiltration/ultrafiltration, reverse osmosis (RO), and ultraviolet disinfection, with advanced oxidation processes. These proven approaches produce high quality drinking water; however, the treatment processes are capital and energy intensive, particularly for inland facilities where disposal of RO brine can be cost-prohibitive.

This webcast focuses on a research project evaluating an alternative treatment train using two-stage ozone-biofiltration – without reverse osmosis – to achieve potable quality water.  The presentation will include the research drivers and background, outline the pilot study objectives, and provide a summary of results from the drinking water pilot as well as the upstream advanced treatment facility.  A cost comparison will be presented showing significant capital and operating cost savings of this non-RO based treatment approach.

This research provides valuable information to the water industry by demonstrating the strengths and challenges associated with this non-RO approach to potable reuse.


  • Denise Funk,  Director of Research, Gwinnett County Water Resources
  • Melissa Meeker, Water Innovation Center Development Director, Gwinnett County Water Resources
  • Katherine Bell, Director of Water Strategy, Brown and Caldwell
  • Jennifer Hooper, Senior Environmental Engineer, CDM Smith



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