Desalination

  • Danfoss solutions for sea water reverse osmosis desalination applications

    Fresh water resources are becoming increasingly scarce the world over. Sure enough, huge areas of the planet are arid and simply do not have access to fresh water, however, there are other drivers behind the growing need for desalination. Take the hotel market, for example. Many hotels are located on islands where fresh water is scarce, or where it is impractical to extend mains water pipe networks. The obvious answer to this problem is desalination. Danfoss is ideally positioned to support its customers with optimized, cost-effective and energy-efficient desalination. With Danfoss technologies for sea water reverse osmosis (SWRO) desalination applications (high-pressure pumps, energy recovery devices, drives and pressure & fluid control devices) it is possible to reach up to 65% of energy savings.
  • Unique portfolio of Danfoss products for desalination plants

  • Reduce dramatically your global costs with Danfoss 4 core technologies:

    • Entre un 15 y un 25% de ahorro energético: Sistemas de desalación con bombas de alta presión y variadores de velocidad Danfoss (Ahorro comparado con una bomba centrífuga con variador de velocidad. Depende del tamaño de la planta)
    • Hasta un 60% de ahorro energético: Sistemas de desalación con los recuperadores de energía (iSave) y variadores de velocidad Danfoss (Ahorro comparado con plantas de desalación sin recuperadores de energía)
    • Hasta un 65% de ahorro energético: Sistemas de desalación con bombas de alta presión, variadores de velocidad y recuperadores de energía Danfoss (iSave) (Ahorro comparado con plantas de desalación com bombas centrífugas pero sin recuperadores de energía ni variadores de velocidad)
  •  Four core technologies for desalination plants

    The principal challenge with the desalination of water is that it requires a lot of energy. Salt dissolves into water with relative ease, where it forms strong chemical bonds that are difficult to break. Therefore experience, technology and innovation are central to any unique value proposition for desalination.

    There are four core technologies: 

    • High Pressure Pumps 
    • Energy recovery devices 
    • Drives 
    • Pressure & Fluid control devices
  • High Pressure Pumps

    High-power axial piston pumps offer precise and energy-efficient operation, even at partial load. As they are easy to maintain and extremely compact, these pumps are driving more and more small to large-sized SWRO plants around the world. The largest pumps have outputs of up to 88 m3/hour.
  • Energy Recovery Devices

    The latest Danfoss iSave energy recovery devices (pressure exchanger and booster pump) provide up to 94% efficiency. Flexible and compact, these devices are as easy to install as they are to operate. Outputs of up to 70 m3/hour are available.

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