Apart from the small electronic component the whole installation can be made locally with materials available in nearly every part of the world, being glass and PVC piping and appendages.
Dutch Firm Develops High Efficiency Solar Distillation Unit
Zonnewater | Zonnewater
The extreme high efficiency rate is a result of specialized electronic equipment used to enhance air circulation between the evaporation and the condensation unit. Periodic washing with seawater reduces the negative effect of solar reflection by the salt produced by the unit.
Apart from the small electronic component the whole installation can be made locally with materials available in nearly every part of the world, being glass and PVC piping and appendages. A medium skilled plumber can make the installation, and the electronic device will be shipped in combination with simple drawings. The price per litre of water will therefore be determined by the price of glass, 8 local construction hours of labor and the local price of PVC piping and components, silicon kit, and PVC glue.
The unit has an estimated lifetime of 20 years, thus determinate the number of sunny days the average temperature and your price per litre is known.
If buyer need more then 40 L of water per day he should calculate with 30 Litres per day per additional cubic meter. A two cubic meter installation delivers 70 Litres and a three cubic meter installation delivers 100 Litres etc.
For desert areas with higher day temperatures Zonnewater is developing a hybrid solar-still with most likely similar yields as being reached with the Caribbean type.
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