Skip to main content

Meeting California Toxics Rule Limitations on Disinfection Byproducts by Use of Chlorine Dioxide for Effluent Disinfection

Buy Article:

$17.50 plus tax (Refund Policy)

Or sign up for a free trial


The California Toxics Rule (CTR) provisions of the City of San Luis Obispo Water Reclamation's Facilities National Pollutant Discharge Elimination System (NPDES) permit set stringent limits on trihalomethanes (THMs) in the treated effluent. These limits cannot be routinely met while using hypochlorite (HOCl) as the primary disinfectant, since chlorine compounds form THMs in the wastewater which exceed the permit limits. Chlorine dioxide (ClO2) was studied as an alternative disinfectant to determine its ability to achieve effective coliform inactivation without THM formation. A pilot plant was operated to demonstrate the effectiveness of ClO2 to achieve adequate levels of bacterial disinfection without forming THM byproducts. The ability of sodium bisulfite (NaHSO3) and activated carbon to remove any residual chlorite (ClO3 .) was also investigated. Results indicate substantial success in achieving these goals in pilot plant scale work and full-scale trials are currently underway.

Document Type: Research Article


Publication date: January 1, 2008

More about this publication?
  • Proceedings of the Water Environment Federation is an archive of papers published in the proceedings of the annual Water Environment Federation® Technical Exhibition and Conference (WEFTEC® ) and specialty conferences held since the year 2000. These proceedings are not peer reviewed.

    WEF Members: Sign in (right panel) with your IngentaConnect user name and password to receive complimentary access.
  • Subscribe to this Title
  • Membership Information
  • About WEF Proceedings
  • WEFTEC Conference Information
  • ingentaconnect is not responsible for the content or availability of external websites

Access Key

Free Content
Free content
New Content
New content
Open Access Content
Open access content
Subscribed Content
Subscribed content
Free Trial Content
Free trial content
Cookie Policy
Cookie Policy
ingentaconnect website makes use of cookies so as to keep track of data that you have filled in. I am Happy with this Find out more