Waste Water Treatment

Due to our long-time experience in treating municipal and industrial waste water we are one of the leading companies for active waste management today.
Having started with our traditional iron chloride products Donau Klar® we are now also successful with the new challenging products of the Donau PAC®, Donau Acquabella® and Donau ®Evolution families as well as the polymers of the Donau Multifloc series.  

Sphere of competences:
  • Phosphate-elimination
  • splitting of emulsions
  • flocculation
  • sludge conditioning
  • sewage and sludge treatment
  • Technical advice
Which product families can be used for which application?

Product family phosphate precipitation combating bulking
and floating sludge
sludge conditioning H2S-elimination
Donau Klar  +++ ++  +++ +++
Donau PAC  +++  +++  ++
Donau Acquabella  +++  +++  +++ ++
Donau ®Evolution +++ +++ +++ +++
Donau Multifloc  o  ++ +++  o
Explanation +++ (very well) ++ (well) + (less) o (not applicable)
  • Donau Klar

    The classics: Our Donau Klar products are available in different concentrations and qualities as ferric and ferrous chlorides.

  • Donau PAC

    The Donau PAC family includes partially neutralized aluminium products containing pre-polymerized active substances. They are used successfully in a variety of applications – from the phosphate precipitation to the production of potable water.

  • Donau Acquabella

    If you need iron and aluminium or even more, then our Donau Acquabella products will be the right choice: innovative combinations of different active substances.

  • Donau Multifloc

    Additionally to our inorganic flocculants and precipitation agents we can also offer a variety of organic cationic and anionic polyelectrolytes for flocculation support, sludge dewatering and other applications.

General Request Waste Water
+43 1 71147-1339
+43 1 71147-1355
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Werner Gerhold Sales & Technical Support for Lower Austria & northern Burgenland Send e-mail
Ing. Siegfried Wernig Sales & Technical Support for Carinthia, Styria, east & south Tyrol, Slovenia Send e-mail
Siegfried Schertler Sales & Technical Support for Tyrol, Vorarlberg, Southern Germany & Switzerland Send e-mail
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