OPERATION OF A HIGH PURITY OXYGEN SYSTEM AT MINIMAL SOLIDS RETENTION TIMES
Existing plant capacity at Plant No. 2 of Orange County Sanitation District (OCSD) is limited by sludge bulking, which in turn limits the solids and hydraulic loads that can be applied to the secondary clarifiers. To address this issue, Orange County Sanitation District (OCSD) conducted an aeration basin selector zone feasibility study to evaluate the potential performance improvements and associated costs of implementing anaerobic selectors at the Plant 2 HPO secondary treatment system. An evaluation of alternatives for improving the performance and efficiency of the high-purity oxygen (HPO) activated sludge secondary treatment system was completed. Subsequently, the plant operations staff has made operational changes which resulted in significant improvements in sludge settling quality. These operational changes places the plant at a unique position where low solids retention time (SRT) is used as the means for controlling sludge bulking without impacting the plant performance.
No Reference information available - sign in for access.
No Citation information available - sign in for access.
No Supplementary Data.
No Article Media
Document Type: Research Article
Publication date: 2004-01-01
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 These proceedings are not peer reviewed.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