Trace organic compound removal at Clark County - Lessons learned from an indirect potable (IPR) system

Douglas D. Drury, Eric Dickenson, Tanja Rauch-Williams, Shane Snyder

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Over the years, the Clark County Water Reclamation District (CCWRD) has worked closely with the Southern Nevada Water Authority (SNWA), Water Environment Research Foundation (WERF), American Water Works Association Research Foundation (AwwaRF), and WateReuse, conducting research to determine the level of removal of estrogenicity when using ozone for disinfection and to predict the impact ozonation would have on trace organic compound removal. As a result, numerous bench scale and full scale pilot tests have been performed. In 2008, CCWRD determined that 30mgd of its older tertiary sand filters and ultra violet (UV) disinfection processes needed to be replaced. Based on years of research, ozone was chosen to replace the UV disinfection. Membrane filtration, which would better remove phosphorus, would also assist in disinfection, and reduce the ozone demand, was selected to replace the tertiary sand filters. Utilizing ozone for disinfection will oxidize the vast majority of trace organic compounds.

Original languageEnglish (US)
Title of host publicationWEFTEC 2012 - 85th Annual Technical Exhibition and Conference
PublisherWater Environment Federation
Pages3837-3851
Number of pages15
ISBN (Electronic)9781510870437
DOIs
StatePublished - 2012
Event85th Annual Water Environment Federation Technical Exhibition and Conference, WEFTEC 2012 - New Orleans, United States
Duration: Sep 29 2012Oct 3 2012

Publication series

NameWEFTEC 2012 - 85th Annual Technical Exhibition and Conference
Volume6

Conference

Conference85th Annual Water Environment Federation Technical Exhibition and Conference, WEFTEC 2012
CountryUnited States
CityNew Orleans
Period9/29/1210/3/12

Keywords

  • Estrogenicity treatment
  • Indirect Potable Reuse (IPR)
  • Membrane/ozonation treatment
  • Trace organics

ASJC Scopus subject areas

  • Ecological Modeling
  • Environmental Chemistry
  • Pollution
  • Waste Management and Disposal
  • Water Science and Technology

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