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Sustainable wastewater purification in Estonian small municipalities (Estwaste)
Date du début: 1 janv. 2002, Date de fin: 31 déc. 2005,
Background
Currently most of the wastewater purification systems in Estonian small municipalities do not work or work in an unsatisfactory way.
The nitrogen (N) and phosphorus (P) which are discharged as pollutants in the lakes and rivers present a serious environmental problem not only in Estonia but also in the neighbouring countries. According to Esto ...
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