here below an useful image (by GianVIN) that show also the light impact of the systems...
Thursday, October 8, 2009
treatment wetland and big city
YES...WE CAN also set up a treatment wetland system for a big city wastewater volume. This is just been done like in Beja (Portugal) or in Jesi (Italy). Here the wetland is the secondary or tertiary treatment step (after activated sludge or lagoon). In Beja are treated the waters of 30.000 person and the treated water are used for watering the golf fields...
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