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Saving potentials at the purification of landfill leachate

How is it possible to optimise a functioning and stable working biological leachate treatment plant without considerable reconstruction measures but with generating extensive economies regarding the operating costs amounting to a 5-digit sum (Euro).
State-of-the-art regarding the biological nitrogen elimination in the area of the communal purification of waste water and landfill leachate is the combination of nitrification and denitrification accompanied by a more or less (cost-)intensive application of an external carbon source and corresponding production of a surplus activated sludge.

By systematic conversion of the environmental conditions, it is possible to establish microorganisms within the process, which use a pathway of nitrogen conversion that has been discovered not until the 90s. Under certain conditions, these planctomycetes are
able to oxidise ammonia in the absence of oxygen – without detouring via a denitrification - to elemental nitrogen.
A concrete example of practical application shall point out that this “new” method can affect an enormous economy. In this particular case the operating costs could be reduced by more than 80.000 € per annum by the systematic conversion of the biological
process.

Copyright:	© Wasteconsult International
Quelle:	Praxistagung Deponie 2006 (Dezember 2006)
Seiten:	0
Preis:	€ 0,00
Autor:	PD Dr. rer. nat. Dr.-Ing. habil. Martin Denecke Volker Rekers Dr. Uwe Walter
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