Abstract
The optimization of the chemical pretreatment process prior to tertiary filtration of municipal secondary effluent was studied. Jar tests involving coagulation with alum, flocculation, settling and filtration were conducted on secondary effluent samples and these established the occurrence of two distinct coagulation mechanisms: the mechanisms of charge neutralization, and the mechanism of sweep coagulation at different alum dosages and pH conditions. Particle size analysis of the settled and filtered effluent was also conducted in both the charge neutralization and the sweep coagulation zones.
| Original language | English |
|---|---|
| Pages (from-to) | 209-218 |
| Number of pages | 10 |
| Journal | Water Science and Technology |
| Volume | 30 |
| Issue number | 9 pt 9 |
| DOIs | |
| State | Published - 1994 |
| Externally published | Yes |
| Event | Proceedings of the 17th Biennial Conference of the International Association on Water Quality. Part 8 - Budapest, Hung Duration: 24 Jul 1994 → 30 Jul 1994 |
UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
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SDG 6 Clean Water and Sanitation -
SDG 11 Sustainable Cities and Communities
Keywords
- Coagulation
- Filtration
- Particle size distribution
- Reuse
- Secondary effluent
- Turbidity
- Wastewater
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