Coagulation with Prepolymerized Metal Salts

  • Hallvard Ødegaard
  • Joachim Fettig
  • Harsha C. Ratnaweera


It has been known to mankind for 4000 years that alum and iron are useful in the treatment of water. Purified alum was, however, first manufactured in the fifteenth century. In England, treatment of muddy waters by coagulation/flocculation started in the mid-seventeenth century. Today alum (or iron) coagulation represents probably the most commonly used drinking water treatment process throughout the world.


Humic Substance Hard Water Soft Water Aluminium Sulfate Particle Removal 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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Copyright information

© Springer-Verlag Berlin Heidelberg 1990

Authors and Affiliations

  • Hallvard Ødegaard
    • 1
  • Joachim Fettig
    • 2
  • Harsha C. Ratnaweera
    • 1
  1. 1.Div. of Hydraulic and Sanitary EngineeringNorwegian Institute of TechnologyTrondheim - NTHNorway
  2. 2.NHL-SINTEFTrondheim-NTHNorway

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