The U.S. Department of Energy is also interested in the concept, having held a competition with $3.3 million in prizes for the most innovative wave-powered desalination proposals.
- Dec 04, 2022, 12:00 PM CST
People have been looking at ways to desalinate seawater to provide drinking water for centuries. Particularly in arid areas of the world, governments and private companies have explored a plethora of technologies to convert salt water into fresh water, using the abundant ocean to provide safe drinking water in areas facing severe freshwater shortages. However, this has been extremely costly and impractical in the past.
4 kWh needed to produce just one cubic meter of drinking water. In addition to high energy usage, desalination has significant set-up costs, requiring expensive infrastructure and maintenance to run operations. For this reason, in areas where there are other water sources available, water conservation and reuse are more popular.
Now, one Norwegian firm thinks it has the right method to provide greener desalination operations. Ocean Oasis has built a wave-powered prototype device that it hopes will deliver the blueprint for offshore floating desalination operations. The ten-meter-high plant, with a seven-meter diameter, was installed in Las Palmas in the Canary Islands to test its performance.
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