Skip to main content

Automating Control in Biological Reactors for Diurnal Loadings

Buy Article:

$9.50 plus tax (Refund Policy)

Or sign up for a free trial

The Sacramento Regional Wastewater Treatment Plant (SRWTP) is continuously subjected to significant daily flow and loading fluctuations because of the lack of flow equalization upstream of the treatment process. Since SRWTP does not have the ability to control activated sludge flow in real time, the diurnal loading fluctuations have been found in previous studies to exacerbate Nocardioform blooms within the secondary process and adversely impact secondary effluent quality at SRWTP.

The purpose of this study was to automate the activated sludge flow in the secondary process using real time process data, in order to provide a more consistent solids retention time and F/M ratio over typical diurnal loadings. The study confirmed that real time SRT control can provide a significant improvement on controlling instantaneous SRT and, to a lesser extent, the F/M ratio. Maintaining a stable biomass in real time is beneficial and can help improve the plant's overall performance.
No Reference information available - sign in for access.
No Citation information available - sign in for access.
No Supplementary Data.
No Article Media
No Metrics

Keywords: Activated Sludge; Diurnal Loading; Foam; MCRT; Nocardia; SRT

Document Type: Research Article

Publication date: 01 January 2011

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 These proceedings are not peer reviewed.

    A subscription to the Proceedings of the Water Environment Federation includes access to most papers presented at the annual WEF Technical Exhibition and Conference (WEFTEC) and other conferences held since 2000. Subscription access begins 12 months after the event and is valid for 12 months from month of purchase. A subscription to the Proceedings of the Water Environment Federation is included in Water Environment Federation (WEF) membership.

    WEF Members: Sign in (right panel) with your IngentaConnect user name and password to receive complimentary access. Access begins 12 months after the conference or event
  • Subscribe to this Title
  • Membership Information
  • About WEF Proceedings
  • WEFTEC Conference Information
  • Learn about the many other WEF member benefits and join today
  • Ingenta Connect is not responsible for the content or availability of external websites
  • Access Key
  • Free content
  • Partial Free content
  • New content
  • Open access content
  • Partial Open access content
  • Subscribed content
  • Partial Subscribed content
  • Free trial content
Cookie Policy
Cookie Policy
Ingenta Connect 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