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<font size=1><sup>1</sup> Devices are prone to plugging, which will drive maintenance costs up.
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<font size=1><sup>1</sup> Pretreatment settling devices are prone to plugging, which will drive maintenance costs up.
  
 
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[[category:Table]]

Revision as of 20:39, 7 June 2016

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 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.