Decreasing activated sludge thermal hydrolysis temperature reduces product colour, without decreasing degradability

Activated sludges are becoming more difficult to degrade in anaerobic digesters, due to the implementation of stricter nitrogen limits, longer sludge ages, and removal of primary sedimentation units. Thermal hydrolysis is a popular method to enhance degradability of long-age activated sludge, and in...

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Veröffentlicht in:	Water research (Oxford) 2008-11, Vol.42 (18), p.4699-4709
Hauptverfasser:	Dwyer, Jason, Starrenburg, Daniel, Tait, Stephan, Barr, Keith, Batstone, Damien J., Lant, Paul
Format:	Artikel
Sprache:	eng
Schlagworte:	activated sludge Anaerobic anaerobic digesters Anaerobiosis Applied sciences biodegradation Biodegradation, Environmental Biological methane potential biomass chemical oxygen demand Color dissolved organic carbon DON Exact sciences and technology heat treatment Hydrolysis Melanoidin molecular weight nitrogen Other industrial wastes. Sewage sludge Pollution Polymers - chemistry Polymers - metabolism Sewage - chemistry Sewage - microbiology Temperature ultrafiltration Ultrafiltration fractionation UVT Wastes Water treatment and pollution
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