SuMeWa|SYSTEM (from Sun Meets Water) is a fully solar-PV-driven technical unit that is capable to pump, filtrate and disinfect water for safe drinking-water supply. The main feature is the electrolytic production of disinfectant, from the source water itself. No chemicals are added. The water quality is continuously monitored and automatically adapted to the required level.
Each SuMeWa|SYSTEM produces enough drinking-water for up to 2,000 people from wells or other fresh water bodies with a depth of up to 70 meters. Operational costs are exceptionally low. Maintenance is conducted by locals, as only a toothbrush and some lime juice is necessary.
Today more than 80% of the nearly 1 billion people without access to water live in rural regions. The number of people without access to safe drinking water is significantly higher. To assure a minimum of water quality in these regions, boiling is recommended but requires firewood. Filtration and UV radiation alone cannot assure safe water conditions for water distribution as none of these disinfection methods protects the water against recontamination after the actual disinfection process. Here, chlorine solution could provide a remedy, but its availability, stability and correct dosing, limits the application in such regions.
This is where SuMeWa|SYSTEM comes into play.
The costs of a safe water supply project e.g. in a village mainly depends on local conditions. For the initial investment people will need financial support (as everywhere else in the world where water is supplied that meets legislative requirements). AUTARCON projects have shown, that with an adequate tariff system the investment, operational and maintenance costs can be easily generated. AUTARCON will support local institutions with setting up such a financing plan.
Stage of development: produced in serial production
Safely disinfected water including required residual disinfectant:
- No Chemicals required
- Maximum capacity up to 20,000 l/day
- Chlorine level: 0.3 - 3 mg/l depending on requirements
- Maximum energy requirement: 120 W
- Iron removal capacity: up 10 mg/l can be reduced to below guideline values
- Manganese removal capacity: up to 10 mg/l can be reduced below guideline values