Bottensubstrat och dess inverkan på reducering av BOD<sub>5</sub>, COD och TKN i lakvatten genom konstruerade rotzonsanläggningar
En pilotstudie vid Univates, Lajeado ? RS Brasilien
… they need to reduce BOD, COD and nitrate of the water going to recipient. A subsurface flow wetland (SSF) can be a good choice. In order to be able to design an efficient SSF it is important to understand how the grain sizes of a substrate affect the reducing of pollutants in …