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3. Treatment processes for recycling
For the most part, graywater recycling processes are largely based on conventional wastewater treatment processes, and more specifically on domestic, industrial and urban wastewater recycling plants. As in the case of wastewater treatment, the graywater treatment system is rarely composed of a single stage, but more often constitutes a treatment pathway
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Treatment processes for recycling
Approach to the cost of graywater recycling
Bibliography
- (1) - AQUASTAT - Système d'information de l'Organisation des Nations Unies pour l'alimentation et l'agriculture accédé le 02/05/2010 http://www.fao.org/nr/water/aquastat/data/query/index.html .
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Standards and norms
Afnor (French standardization association)
- Sludge characterization – Determination of dry matter and water content - NF EN 12880 - 2000
- Wastewater treatment – Vocabulary - NF EN 1085 - 2007
International Organization for Standardization
- Water quality – Determination of suspended solids by glass fiber filtration - ISO 11923 - 1997
- Eau, qualité, essai des eaux, demande chimique...
Websites
WHO (World Health Organization)
WHO Guidelines for drinking-water quality http://www.who.int/water_sanitation_health , 3rd edition, 2006
Regulations
Law 2006-1772, law on water and aquatic environments – Journal officiel de la République française of December 31, 2006, corrigendum JORF of January 20, 2007 and law 2010-788 of July 12, 2010.
Arrêté du 21 août 2008 relatif à la récupération des eaux de pluie et à leur usage à l'intérieur et à l'extérieur des bâtiments, Journal officiel de la République française du 29 août 2008.
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