The problems of Drinking water in the world areclosely related to the problems of the treatment ofwaste waters SA main source of pollution. the ground, under grounds, the environment, thenatural hydraulic mediums, the water tables should not any more be used as dustbin of the cleansing the waste waters 'biological' are But-ganie naturalof enrichment of the topsoil, one makes a genuinewaste of them Let us preserve today what one entrusted to usyesterday for restoring tomorrow best lyseconcept develops a biotechnological conceptof treatment of purification and recycling ofdomestic waste waters. the water of rejection at exit of the process“Biological Pit " lyseconcept contains fine organic matter particles in suspension as well as an activetotal colony count which make of it an elementfertilizing and enriching for the topsoil. the process “Pit Biological " lyseconcept has aperformance épuratoire of 90% except groundsupplemented by the vegetalized biodiversitywhich it will purify the ground del has diffusepollution such as: ammonium urea nitrogenizesnitrate mugs up phosphate etc the concept is declined in the form of project - Individual cleansing of habitat - The CEBRE information system strategic plan ofCleansing. it removes the sewage treatment plantand the infrastructure of the collecting system ofthe conventional cleansing of urban area - le PROJET Revalorization of Waste waters for a Productive Organic farming on farms in Africa Sénégal Cameroun Cote d'Ivoire Burkina Burundi Bénin Mali RCA Niger Mauritanie Congo Conacry Guinée RDC Sierra Léone Gabon Mayotte Inde Monténégro Kénia etc - the Revalorization project of the waste watersvegetalized Biodiversity. push back the erosion ofthe grounds and the floods created of the zones ofavoids fires - the Recycling project of water Banks food allowsan honorary reintegration - the Waste-Recycling project of water Reductionof food waste http://www.creabpa.frhttp://www.lyseconcept.fr