The 9th Filtration & Separation Asia + The 12th China International Filtration & Separation Exhibition

 
Increase in sewage treatment performance with fills for activated sludge basins


16 February 2016
From Filtration+Separation



The use of fills from ENEXIO Water Technologies GmbH (formerly GEA 2H Water Technologies) can increase the output of activated sludge basin by up to 35 %, Enexio says.



Enexio 2H BIOdek IFAS fills are designed for installation in new sewage treatments plants and for retrofitting existing plants. They can be retrofitted while plants remain in operation, to adapt activated sludge basins to more demanding requirements. Such retrofitting involves installing cascades of the fills, with modular configuration, in the treatment basins – if required, with the necessary aeration systems.



Performance enhancement is based on the IFAS principle (integrated fixed film activated sludge). This involves the formation of stationary biofilm on the large surface area of the fills. This biomass complements the existing biomass in the activated sludge tank and thereby increases the operative sludge age of the system. No modifications are required for the sludge-recirculation system, since the additional biomass is fixed on the structured fill.



Enexio says an additional benefit of the IFAS system is that effects such as bulky sludge do not influence the stationary biomass on the fills. In addition, the sludge from an IFAS system can be settled more effectively: a benefit in secondary treatment.



Enexio Water Technologies will display its 2H technology at this year’s IFAT, in Munich from 30 May to 3 June, in hall A1, stand A1.527.


ENEXIO 2H BIOdek IFAS fills are designed for installation in new sewage treatments plants and for retrofitting existing plants.

 

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