Chemical-biological Treatment Versus Chemical Treatment — A Case Study

  • A. Ilmavirta
Conference paper


In Finland, there are 578 municipal wastewater treatment plants (1987), out of which 61 use chemical treatment (wastewater flow 13%), Figure 1. Most of the chemical treatment plants were constructed in the 1970’s.


Chemical Treatment Wastewater Treatment Plant Aeration Tank Municipal Wastewater Treatment Plant Flow Balance 
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Copyright information

© Springer-Verlag Berlin Heidelberg 1988

Authors and Affiliations

  • A. Ilmavirta
    • 1
  1. 1.Oy Nixdorf Computer ABVantaaFinland

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