Osmosis filtration

Osmosis filtration

Application of osmosis filtration

ERT reverse osmosis systems can be used for the pure water supply of semi-open evaporative cooling systems, industrial processes and boiler plants as well as in the health and food sectors.

Reverse osmosis (UO) desalination allows very economical water treatment without the use of chemicals: raw water diffuses under pressure through a membrane that retains salt ions and impurities contained in the water. This produces highly saline waste water (concentrate) and pure water (permeate) in very favourable proportions.

ERT supplies standard UO plants for the treatment of pre-softened soft water, raw water for utilities, brackish water and seawater with capacities from 30 l/h to 30,000 l/h. We are also available for plants with higher capacities.

We support our customers from the detailed requirements analysis to the turnkey realisation of desalination plants for continuous or periodic pure water supply.

Use of osmosis

  • Water saving system
    • Capacities: 3.000l/h to 10.000l/h
    • permeate yield up to 90%
    • desalination rates up to 98.5%
  • Energy-optimized systems
    • Capacities: 600l/h to 12.000l/h
    • Low pressure membrane technology
    • Frequency-controlled high-efficiency pumps
  • compact systems
    • Capacities: 30l/h to 500l/h
    • permeate yield up to 75%
    • Desalination rates up to 97
    • Softener preliminary stage can be integrated
  • Pure water systems
    • Capacities: 220l/h to 2.0000l/h
    • Two-stage preparation
    • Desalination rates above 99
    • Pure water conductivity 5 µS/cm (=10 M? cm)
  • Ultrapure water production
    • Capacities: 150l/h to 20.000l/h
    • Complete desalination of pure water from reverse osmosis by electro-deionisation
    • Pure water conductivity < 1 µS/cm (<10 M? cm)
  • Circuit water conditioning
    • optimized for the specific process environment
    • up to 65% lower water consumption
    • up to 80% lower energy consumption
  • Capacities 1.650l/h to 30.000l/h
  • Energy saving low pressure or ultra low pressure membrane technology
  • Desalination rates up to 97% and more
  • Frequency-controlled high-efficiency pumps
  • Capacities 250l/h to 27.500l/h
  • salt content up to 5.000mg/l
  • permeate yield 50-75%
  • Frequency-controlled high-efficiency pumps

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