Pretreatment practice summary of characteristics
Pretreatment practice summary of characteristics
Link to this table
| Pretreatment practice | Mechanism of pollutant removal | Relative pollutant removal | Capital cost | Relative maintenance frequency | Relative maintenance effort | Relative space requirements |
|---|---|---|---|---|---|---|
| Pretreatment settling devices | Screening & settling | Low to Medium | Medium to High | Medium to High1 | Low to Medium to High | Low to Medium |
| Pretreatment screens | Screening | Low | Low | High | Medium | Low |
| Pretreatment vegetated filter strips | Screening & Settling | Medium | Low | Low | High | High |
1 Pretreatment settling devices are prone to plugging, which will drive maintenance costs up.