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Decentralized Seawater Desalination System in the Baltic Sea

Lighthouse in the Baltic Sea

Treated media: Drinking water

Flow rate: 0,1 m3/h

Substances: Mineral salts

Processes: Deacidification, Filtration, Gravel filtration, Reverse osmosis, UV disinfection

Commissioning: 2017

KF Company: Weil Wasseraufbereitung GmbH

Ref WEIL Ostsee leuchtturm 3

Cause

The lighthouse in the Baltic Sea serves as a pilot station and is staffed around the clock. Previously, tankers were used for the drinking water supply, but due to the high costs and effort involved, an alternative had to be found. WEIL Wasseraufbereitung developed a process consisting of pre- and post-treatment components for cost-effective and efficient seawater desalination.

Ref WEIL Ostsee leuchtturm
Ref WEIL Ostsee leuchtturm 2
Ref WEIL Ostsee leuchtturm 3

Seawater desalination for drinking water production

The highly fluctuating salinity of the Baltic Sea, depending on the season, was particularly challenging. At the heart of the seawater treatment system is a reverse osmosis system with high-retention seawater reverse osmosis membranes with a capacity of up to 2 m³/d.

The following processes were used:

  • Gravel filtration
  • Cartridge filtration
  • Reverse osmosis
  • Deacidification filter
  • Disinfection
Contact person at Weil Wasseraufbereitung GmbH

Do you have any questions about our services. Then we look forward to your contact request!

Seven Kalbertodt
Managing Director


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