Bench Testing of Metabolic Biofiltration of 1,4-Dioxane in Drinking Water
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1,4-dioxane is a synthetic chemical used in a variety of industries and produced as a byproduct or impurity in household and industrial products.

It was detected above 0.35 µg/L (the 10-6 cancer risk level) in approximately 7% of the drinking water systems during the USEPA's Third Unregulated Contaminant Monitoring Rule (UCMR3), the second highest exceedance frequency among the contaminants monitored in UCRM3. The only effective treatment technology is the advanced oxidation process (AOP). The industry (particularly small systems in rural areas) needs an alternative treatment technology and this presentation will describe the proof of concept for metabolic treatment of 1,4-dioxane in drinking water by biofiltration.

Publication Summary

  • Geosyntec Authors: Chao Zhou, Brian Petty
  • All Authors: Chao Zhou, Brian Petty
  • Title: The American Water Works Association's (AWWA's) 2020 International Symposium on Biological Treatment
  • Event or Publication: Event
  • Practice Areas: Water and Natural Resources
  • Citation: Chao Zhou, P.E. (California) will present "Bench Testing of Metabolic Biofiltration of 1,4-Dioxane in Drinking Water" at the American Water Works Association's (AWWA's) 2020 International Symposium on Biological Treatment at the W Atlanta Downtown in Atlanta, Georgia at 4:00 p.m. on February 12, 2020.
  • Date: February 12, 2020
  • Location: Atlanta, Georgia
  • Publication Type: Platform Presentation