Evaluation of SGBR and UASB Reactors to Treat Pulp and Paper Wastewater
The present study evaluated the performance of a static granular bed reactor (SGBR) and an upflow anaerobic sludge blanket (UASB) reactor at mesophilic conditions under various hydraulic retention times (HRTs) for the treatment of paper mill wastewater. Wastewater was provided by Grand Rapids Wastewater Treatment Facility (WWTF) in Minnesota, USA. Anaerobic seed granules were obtained from a UASB reactor at the Cedar Rapids Water Pollution Control Facility in Iowa, which treats waste water from the Cedar River Paper Company. A range of HRTs were used following a 29-day start-up period. Initial HRT conditions were 24 h prior to being decreased to 4 h. The overall chemical oxygen demand (COD) removal efficiency was higher for the SGBR than the UASB. At the 4 hour HRT, the COD removal was greater than 70% for the SGBR and 60% for the UASB. Otherwise, solids removal was higher for the UASB especially at the 9 and 6 h HRTs. Effluent volatile fatty acids (VFA) concentrations were lower for the SGBR at every HRT condition.
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: 2007-10-01
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