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Horizontal Subsurface Flow Constructed Wetland

6 bytes added, 20:20, 26 September 2013

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[[Image:Icon_horizontal_subsurface_flow_constructed_wetland.png |right|80px]]

'''A Horizontal Subsurface Flow Constructed Wetland is a large gravel and sand-filled channel that is planted with aquatic vegetation. As wastewater flows horizontally through the channel, the filtermaterial filter material filters out particles and microorganisms degrade organics.'''

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The water level in a Horizontal Subsurface Flow Constructed Wetland is maintained at 5 to 15cm below the surface to ensure subsurface flow. The bed should be wide and shallow so that the flow path of the water is maximized. A wide inlet zone should be used to evenly distribute the flow. Pre-treatment is essential to prevent clogging and ensure efficient treatment.

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