Producing Fresh Water With Wave-Powered Desalination Method

Canadian startup Oneka Technologies harnesses the kinetic energy of ocean waves to convert seawater into fresh, potable water, highlighting a zero-emission and marine-friendly desalination method.

The system uses floating desalination machines operating in waves at least one meter low. The power they generate from wave motion supports the membrane-based filtration process that produces fresh water. The Iceberg-class unit can supply fresh water to up to 1,500 people daily in coastal communities, resorts, and industries.

“The ocean is an unforgiving place. But our technology is designed to operate there. It goes up and down in the waves, all day and all night,” said Susan Hunt, Chief Innovation Officer at Oneka Technologies, in a report.

Oneka’s innovative machines come in different sizes and will become available commercially in 2024. The largest machine can produce up to 49,000 liters of clean drinking water daily.

This approach not only uses renewable energy sources but also ensures damage to the environment is minimal. Through effective brine management, the system safely releases diluted brine, which is only 25% saltier than seawater, back into the ocean.

The startup is also developing a Glacier-class buoy designed to help increase water supplies for general applications.

Read the full article here to learn more about this promising and sustainable desalination method.

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