Fresh water availability can be increased by mild desalination brackish water sources. Demonstrating that desalination is a viable option was proven in the E4Water project (
http://www.e4water.eu). The brackish water source, however, comes with variable flows and quality and could be buffered and treated in a constructed wetland in order to remove suspended solids and phosphorous. This project investigated the feasibility of such constructed wetland. In order to provide 10,000 m3 per day a wetland of 12 ha was proposed, which could produce at least 85% of the required fresh water. Additional benefits associated with the wetland, like tourism or changing water intake by local farmers, were negligible. The cost of such infrastructure is substantial, an estimated 4.1 MEuro. Answering the question whether this investment is acceptable with respect to the mitigated risk of water not being available was not part of this assessement.
- Startdatum
- januari 1, 2015
- Einddatum
- maart 31, 2017
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