Blog
About

  • Record: found
  • Abstract: found
  • Article: found

Using Existing Cascade Tray Aeration Infrastructure to Strip Total Trihalomethanes

Read this article at

ScienceOpenPublisher
Bookmark
      There is no author summary for this article yet. Authors can add summaries to their articles on ScienceOpen to make them more accessible to a non-specialist audience.

      Abstract

      To assess the efficacy of using falling‐cascade tray aeration to reduce total trihalomethanes (TTHMs) from potable water, a pilot aerator was constructed and operated in a recirculated mode. In addition, a full‐scale water treatment plant and distribution system serving less than 10,000 people were monitored for eight months while operating a falling‐cascade tray aerator with and without recirculation. Pilot results showed that 56.5 μg/L of TTHMs could be reduced to below the detection limit after five passes through the tray aerator. Full‐scale results showed an approximate 40 μg/L TTHM reduction at several monitoring locations. Although pilot and full‐scale results confirmed that recirculation will not significantly impact THM re‐formation postaeration, both pilot and full‐scale monitoring results indicated that recirculated cascade tray aerators could reduce TTHM content to concentrations below regulated levels. The average increase in operating cost, resulting from an increase in electrical power when recirculating water on site, approximated $850/month.

      Related collections

      Author and article information

      Affiliations
      Orlando; FlaUniversity of Central Florida
      Contributors
      Journal
      10.1002/(ISSN)1551-8833
      Journal ‐ American Water Works Association
      J Am Water Works Assoc
      John Wiley & Sons, Inc. (Hoboken, USA )
      0003-150X
      1551-8833
      18 May 2018
      10.1002/awwa.1040
      © 2018 American Water Works Association
      Funding
      Funded by: University of Central Florida (UCF)
      Award ID: 16208141
      Funded by: Jones Edmunds Research Fund
      Award ID: 16208148

      Comments

      Comment on this article