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Final Clarifiers in Activated Sludge Process

Educational version by Petr Grau, Aquanova International Ltd, Prague


Final clarifiers are used in the activated sludge process (ASP) to separate, thicken and enable recycling of thickened activated sludge. An appropriate introduction to the activated sludge process can be found in Eckenfelder and Grau (1992, 1998), Orhon and Artan (1994), Henze et al. (1995). Activated sludge process is of such a general importance that it can be found even at the World Bank website.

Comprehensive information on clarifiers can be found in Albertson (1992), Daigger (1995), Ekama et al. (1997), WEF Manual of Practice (2005).



  Definitions and Mass Balance

 Scum Baffles  

 About AquaNova International

  Sludge Volume Index

 Sludge Blanket 

 About the author (comments please here!)


  Sludge Hoppers



 Practical Design Criteria

 Flood 2002 (~500 years periodicity)

 Sludge Scraping


 Hikmet Toprak stealing intellectual property

  Solids Flux Theory

 Photographs of Clarifiers


©1999- 2015 AquaNova International Ltd.





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