Enhancing the anaerobic digestion potential of dairy waste activated sludge by two step sono-alkalization pretreatment

•In this study, the optimal conditions were, SE of 4172kJ/kg TS for NaOH – pH 10.•COD solubilization and SS reduction was 59% and 46% higher than control.•2-step disintegration process was carried out for understanding of WAS hydrolysis.•Pretreatment with anaerobic digestion led to 58% and 62% of SS...

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Veröffentlicht in:	Ultrasonics sonochemistry 2014-05, Vol.21 (3), p.1065-1074
Hauptverfasser:	Uma Rani, R., Adish Kumar, S., Kaliappan, S., Yeom, Ick-Tae, Rajesh Banu, J.
Format:	Artikel
Sprache:	eng
Schlagworte:	Anaerobic digestion Anaerobiosis Biodegradability Biofuels Biogas Biopolymers - chemistry Chemistry Dairying Exact sciences and technology Fatty Acids - chemistry General and physical chemistry Hydrogen-Ion Concentration Hydrolysis Industrial Waste Oxygen - chemistry Physical chemistry of induced reactions (with radiations, particles and ultrasonics) RNA - chemistry Sewage - chemistry Solubilization Sonication Sono-alkalization pretreatment Ultrasonic chemistry Waste activated sludge Waste Management - methods
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