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Thermal runaway of dried sewage sludge granules in storage tanks

Poffet, Martine S. ; Käser, Kurt ; Jenny, Titus A.

In: Chimia, 2008, vol. 62, no. 1-2, p. 29-34

Elimination of the sewage sludge from urban wastewater occurs exclusively by incineration in Switzerland, because recycling as fertilizer in agriculture has been banned since October 2006. Two options exist for elimination, either thermal elimination of a thickened sludge in a household waste incineration plant, or drying of the thickened sludge to yield a granular material fit for storage and...