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Arm Guide To

Horizontal Flow Reed Beds

Horizontal Surface Flow


With surface flow systems (also known as free water surface wetlands) the level of the effluent is held a few centimetres above the surface of the media supporting the reeds. This prevents effluents with high solids loading from blocking up the front end of the reed bed.

The solids are carried over the surface of the bed where they settle across the full width of the system into the media where treatment is effected. Clearly these systems are good at dealing with high solids loads. They also will remove metals as well through settlement and adsorption. The media in these systems is usually organic or soil based.


   
Horizontal Surface Flow Reed Beds






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