Pretreatment practice summary of characteristics
Link to this table
Pretreatment practice Mechanism of pollutant removal Relative pollutant removal Cost Relative maintenance frequency Relative maintenance effort Relative space requirements
Pretreatment settling devices Screening & settling Low to Medium Medium to High Medium to High 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