Sustainable desalination with maximum energy efficiency
According to the UN, water scarcity is one of the major challenges facing the world today and tomorrow. The need to find sustainable solutions for new freshwater supplies is urgent; solutions that take the straight road from saline to fresh water at low cost and with minimum impact on climate and nature.
Due to its high energy efficiency and reliability, Sea Water Reverse Osmosis (SWRO) is one of the most sustainable and cost effective solutions for converting sea water to potable fresh water. At the same time, SWRO technology undergoes rapid development to improve energy efficiency and support large-scale freshwater production.
Features and benefits
Extremely low energy consumption
Ultra-low maintenance costs
Simple to operate
Minimal service and long service intervals
Small footprint but effective, compact and light in weight
Danfoss takes lead in SWRO innovation
Danfoss is committed to supporting the sustainable desalination industry with energy efficient SWRO solutions. The product offering includes four core technologies, comprising high-pressure pumps, AC drives, energy recovery devices and pressure and fluid control devices. These combine into highly efficient and lasting water purification solutions that return energy savings of up to 65% compared to traditional centrifugal pump systems without energy recovery devices and drives.
By land, by sea - anywhere
At large scale, reverse osmosis plants are capable of providing freshwater to entire cities while compact solutions are ideal for supplying hotels and resorts, ships, and offshore facilities with clean water.
Today’s challenge – Tomorrow’s opportunity
Water is vital for life. Shortage of fresh water has spurred innovation to find efficient and climate-friendly solutions that turn seawater into fresh, clean water.
Reverse osmosis is the leading technology. It is simple, reliable and requires less energy than other desalination techniques.
Creating a sustainable future with seawater
65% savings on your desalination systems with Danfoss high-pressure pumps, Danfoss pressure transmitters, Danfoss drives and Danfoss energy-recovery devices (iSave) compared to desalination plants with centrifugal pumps and without energy-recovery devices and drives.
Acciona and Danfoss create innovative SWRO
Technologically advanced solutions allowed Acciona to create an innovative sea water reverse osmosis (SWRO) modular desalination plant for the Sarlux refinery in Sardinia, Italy, reducing energy consumption compared to traditional solutions.
Related products
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VLT® AQUA Drive FC 202 controls all types of pumps and comes equipped with a cascade controller.
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The range of iSave energy recovery devices, with booster pump included, is optimized for both landbased, off-shore and marine sea water reverse osmosis application.
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The MPE 70 energy recovery device is optimized for both landbased, off-shore and marine sea water reverse osmosis applications.
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The range of high-pressure APP pumps is optimized for both landbased, off-shore and marine sea water reverse osmosis applications.
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For use in corrosive environments and with aggressive media, Danfoss offers the robust DST P40I pressure transmitter made of Titanium and with ceramic pressure sensing element. DST P40I is optimized for use in applications such as desalination systems, seawater cooling, and chemical processing.
Case stories
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By using VLT® AQUA Drive FC 202 from Danfoss, Koyambedu wastewater treatment plant has reduced its energy consumption significantly.
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A solar-powered desalination plant in Kenya gives the community affordable, clean, and sustainable drinking water and irrigation water.
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Learn how Quantum Water selected Danfoss APP high-pressure pumps, iSave ERDs, and VFDs for the SWRO plant on the world's largest wellboat to save space, energy, and maintenance.
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Compact and reliable APP pumps with long service intervals were first choice for a purification system in Chongqing.
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HP Watermakers has developed pioneering marine SWRO solutions that increase automation and integrate with their own and third-party applications. Danfoss APP pumps are their first choice for pumping water at high pressure.
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Compact, reliable and energy-efficient pump and ERD from Danfoss are chosen for SWRO plant producing fresh water for a shrimp farm located in an environmentally sensitive area.
Articles
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Aquaculture is growing worldwide, and we now eat more farmed salmon than wild-caught.
Read our latest blog to learn how SWRO plays an innovative and important role in keeping salmon raised in marine aquaculture free from parasites through freshwater treatment on specially built wellboats.
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Maintenance of high-value assets is critical to mitigating operational risks. As the SWRO industry evolves, more owners and operators will transition from simple corrective and preventative maintenance strategies and increasingly apply data-supported insights to optimize performance and profits.
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The world’s increased use of renewable energy sources has the potential to reduce SWRO’s carbon footprint and increase its affordability and availability.
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Energy efficiency has a minor impact on SWRO’s CAPEX but a huge impact on OPEX & TCO
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Desalination plants can save money and CO2 by retrofitting older plants for optimal energy efficiency - isobaric ERDs and APP high-pressure pumps are the key
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Energy efficiency has a minor impact on SWRO’s CAPEX but a huge impact on OPEX & TCO
Contact us
For further information, please contact us.