Examples of Innovations in Natural Purification Systems in France - March 2004
In the Brittany region of France, natural septic systems are being used for sewage treatment in small communities. Specifically, in the village of Saint-Bourgue, local residents have utilized a purification system that uses swamp ponds and sand to treat water at low cost and without reliance on chemicals. The system uses a process in which microorganisms attached to plant roots naturally break down ammonia and phosphates, while the sand layer physically filters organic and suspended solids.
Among other things, the system can treat 500 cubic meters of sewage per day and consumes 80% less energy than conventional systems. This initiative is being carried out with the support of the French water treatment company Veolia.
Veolia is one of the world's largest environmental services companies, headquartered in France, with extensive operations in water, waste management, and energy management. With approximately 220,000 employees and operations around the world, the company is known as a leader in sustainable urban development and ecological resource management. Veolia operates water services and provides wastewater treatment infrastructure in various regions, and its natural purification systems are highly regarded as a new model for sustainable water quality improvement without the use of chemicals.
More than 20 municipalities throughout France have adopted the system, and by reducing the use of chemicals, annual phosphate emissions have been reduced by more than one ton. The initiative also complies with European Union water quality standards and has the potential to spread to other European countries and developing countries.
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