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Chriwa Wasseraufbereitungstechnik GmbH - Removal of arsenic, fluoride, radon, radium, uranium

Our expertise encompasses all known mechanical, physical, chemical and biological treatment processes, such as the following:

  • Flocculation
  • Purification / sedimentation
  • Milk of lime treatment
  • Filtration
  • Deacidification
  • Oxidation
  • Deferrisation
  • Demanganisation
  • Denitrification
  • Ammonia removal / nitrification
  • (oxidation/biological)
  • Removal of arsenic, fluoride, radon, radium and uranium
  • Detoxification / decontamination
  • Adsorption / desorption
  • Ion exchange (softening, decarbonisation, full desalination), special ion exchange process technologies
  • High capacity spraying towers / gas strippers
  • Micro- / Ultra- and Nanofiltration
  • Reverse Osmosis
  • Degassing systems (H2S, CH4, etc.)
  • Gas impregnation
  • Disinfection (ozone, chlorine, chlorine dioxide, etc.)
  • Biological cleaning
  • Neutralisation
  • Chlorine electrolysis (tubular cell
  • and membrane technology, robust
  • compact system)
  • ECA (electro-chemical activation)
  • Dry filtration
  • Bottle wash water recycling
  • Special waste water recycling / recovery
  • Other special processes