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Influence of different carbon sources including liquid additives out of fermentation or composting on the purification of leachate water

Wastewater, like landfill leachate, could lack easily degradable carbon sources. Traditional carbon sources like acetic acid, ethanol, glycerol or alternative carbon sources could be used in the denitrification process as a part of the nitrogen elimination.

In the present study, different carbon sources, an alternative carbon source (process water outof a biowaste fermentation) and landfill leachate are placed in their context, their compositions are analysed and used in the purification of landfill leachate. For the measurement of the performance of the carbon source, the resulting gas volume was measured in an eudiometer system and an on-line gas measurement device. The used activated sludge is adapted to acetic acid. All other investigated traditional carbon sources with the same carbon content showed a lower production volume of gas. In the surveyed period an adaption of the biocoenosis was not observed. The resulting gas Volum eis verified to be dependent on the nitrate concentration. Moreover, the mix of landfill leachate and fermentation process water does not lead to a higher gas volume compared to landfill leachate only.

Copyright:	© Wasteconsult International
Quelle:	Waste to Resources 2017 (Mai 2017)
Seiten:	11
Preis:	€ 0,00
Autor:	Christoph Steiner
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