Changes

Planted soil filter

1 byte added, 13:45, 25 June 2007

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| valign="top" | Removes pathogens from wastewater.<br>

Effluent from wetlands can be used for irrigation. <br>

~~Operate~~ Operates without energy consumption. <br>

Easy to operate.

| valign="top" | Considerably large area is needed for wastewater with high organic load. <br>

Akvouser

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