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Association of Waste Stabilization Ponds, Sand Filters and Sludge Dewatering Red Beds: treatment plant for rainwater, wastewater and primary sludges (LILIPUB)
Date du début: 1 sept. 2002, Date de fin: 31 oct. 2005,
Background
The use of Waste Stabilisation Ponds (WSPs) to treat wastewater has increased greatly since the end of the seventies and is frequently chosen by small communities. There are now some 2,500 and 3,000 WSP systems in France which meet the limits for effluent quality set by national regulations (i.e. French quality level D3). However, level D4 (
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