The contribution of thermophilic anaerobic digestion to the stable operation of wastewater sludge treatment
- 1 August 2002
- journal article
- Published by IWA Publishing in Water Science & Technology
- Vol. 46 (4-5) , 447-453
- https://doi.org/10.2166/wst.2002.0648
Abstract
Thermophilic anaerobic digestion of sewage sludge has been successfully operated in full-scale tanks almost three years. The higher loading capacity and specific biogas production rate in comparison with mesophilic digestion was proved. Thermophilic anaerobic sludge is also more resistant against foaming problems. Biogas from thermophilic tanks contains less hydrogen sulphide and other malodorous substances. Pathogens removal rate is apparently more efficient in the thermophilic process.Keywords
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