Project Development for Temperature Phased Anaerobic Digestion at the Western Lake Superior Sanitary District
The Western Lake Superior Sanitary District at Duluth, Minnesota is implementing major biosolids program changes involving the Temperature Phased Anaerobic Digestion (TPAD) process. The District's treatment plant has no digestion facilities currently, and, therefore, this project represents a major departure from the existing District sludge incineration system. This paper primarily describes the development of the digestion facilities design at the District's 162 megaliter/day (43 mgd) municipal wastewater plant. This development work involved a significant pilot testing program at Iowa State University to confirm performance of potential Class A sludge digestion processes. In particular, hydraulic retention times within the thermophilic and mesophilic stages of the TPAD system were varied to assess process performance. Additional evaluation and engineering work resulted in technical information used to develop the project design. Considerable input from and discussion with District staff occurred to develop the design and obtain concurrence on key issues. Facilities described are currently under construction.
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: 2000-01-01
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 These proceedings are not peer reviewed.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