Abstract
This study estimates the polymer-flocculated waste activated sludge floc interior permeability by observing the motion of individual flocs moving vertically towards an impermeable flat plate. The fluid flow fields surrounding and inside the flocs were modeled numerically and served as the basis for calculating the hydrodynamic drag force. Experimental data correspond to the numerical solutions regardless of the floc Reynolds number. According to our results, polymer flocculation produces large flocs with the same global interior structure as the original sludge flocs. The permeability range for flocs was also estimated based on the floc size investigated. © 2000 Elsevier Science Ltd.
| Original language | English |
|---|---|
| Pages (from-to) | 163-167 |
| Journal | Advances in Environmental Research |
| Volume | 4 |
| Issue number | 2 |
| DOIs | |
| Publication status | Published - 1 May 2000 |
| Externally published | Yes |
Bibliographical note
Publication details (e.g. title, author(s), publication statuses and dates) are captured on an “AS IS” and “AS AVAILABLE” basis at the time of record harvesting from the data source. Suggestions for further amendments or supplementary information can be sent to [email protected].UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
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SDG 6 Clean Water and Sanitation
Research Keywords
- Drag calculation
- Permeability
- Polymer flocculation
- Sedimentation
- Settling experiments
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