The innovative desalination plant is based on electrodialysis technology, and is being developed by Phaesun, together with nine other European project partners, as part of the EU development and innovation project Revived Water.
Within the framework of the Revived Water project, Phaesun is focusing on independent solar-powered systems that can produce up to 2000 litres of drinking water per day from salty water reservoirs.
Unlike conventional desalination technologies based on thermal technology or reverse osmosis, electrodialysis requires neither high temperatures nor high pressures. It is based on a membrane technology, wherein an electric current ensures that salt ions are passed through an ion exchange membrane, thus allowing the salt content to be significantly reduced without filtering other important minerals out of the water.
Phaesun Managing Director Tobias Zwirner explained: “The new technology requires little maintenance and due to its low energy needs, it is well suited for solar power supply. This makes it particularly suitable for applications in remote areas in developing countries without a power grid. This is exactly where Phaesun’s expertise lies.”
Projects in pipeline
Phaesun is developing the solar power supply and testing pilot plants in Africa and Asia under real conditions. The first pilot plants were installed in East Africa in 2018 and 2019. Performance data was collected by a remote monitoring and control system and incorporated into further development.
The Revived Water project is now entering its final phase. Further pilot plants will be installed in Tanzania and Somaliland. The end product developed with the experience gained will be marketed from mid-2020.
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