Energy recovery device for medium to large SWRO applications

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MPE 70: The first active ERD for medium and large SWRO plants

Integrating a low-voltage motor with an isobaric energy recovery device, the MPE 70 is the world’s first active ERD designed for medium and large SWRO plants.
 
By completely eliminating the risk of rotor overspin, the motor-controlled MPE 70 safely operates at variable and maximum flow rates and reduces membrane feed salinity increases due to mixing.
 
In addition to unprecedented energy efficiency and reliability, the MPE 70 reduces the need for ERD redundancy in larger plants, prevents rotor stops due to biofouling, and facilitates smarter automation and better predictive maintenance.
 
The MPE 70 builds on Danfoss’s proven technology and decades of energy-saving experience.

View the 3D model

Animation

Animation

See how the active isobaric pressure exchanger works with few moving parts and simple design.

Fresh water at highest efficiency

Fresh water at highest efficiency

The isobaric energy recovery technology offers the best and most efficient result

Features and benefits

The world’s first active isobaric ERD for medium and large SWRO plants

Better energy efficiency, control & reliability

Eliminates the risk of rotor overspin

Safe operation at variable & maximum flow rates

Lower membrane feed salinity increases due to mixing

Less ERD redundancy required

No more rotor stops due to biofouling

Ready for smarter automation & better predictive maintenance

Easy installation in parallel-coupled trains

Proven technology, now at a larger scale

MPE70 selection tool

Calculate the number of ERDs required for your application and discover how much energy you can save.

Resort

The world’s most efficient high-pressure pumps

In addition to best-in-class ERDs, Danfoss also designs the world’s most efficient high-pressure pumps for SWRO.

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