Paper
CFD Modeling of Mesophilic Sludge Digester
- Authors:
- Franz Jacobsen; Eugene de Villiers; Francisco Campos; Paolo Geremia
- Abstract
- The used of Computational Fluid Dynamics (CFD) modeling techniques for the design or upgrade of sludge digesters has significant potential for cost savings; however, validation of modelling techniques is essential for widespread acceptance of this methodology. Queensland Urban Utilities (QUU) is planning to upgrade its four primary mesophilic anaerobic digester tanks at Oxley Creek Water Recycling Plant (WRP) in Brisbane, Australia. A CFD model was used to study the existing arrangements of the sludge digesters to determine the predicted effective volumes in their present configuration and energy inputs. Modifications to the digester tank were proposed to improve the effective mixing volume. A validation of the CFD modeling software for non-Newtonian sludge digesters was conducted using physically measured data obtained from a study based on a similar sized sludge digester located in California.
- Keywords
- Computational Fluid Dynamics; CFD; Waste Treatment; Sewerage; Mesophilic; Open FOAM; HELYX; ENGYS
- StartPage
- 162
- EndPage
- 170
- Doi
- 10.5963/JWRHE0402006