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DatoValore
TitleComparison of enhanced anaerobic digestion processes in terms of methane production and final sludge hygienization
AbstractSewage sludge processing is a key issue in wastewater treatment plants due to the inefficacy of conventional treatments to produce high quality sludge to be safely used in agriculture. Under this framework, the performances of several enhanced stabilization processes, namely ultrasound-pretreated Mesophilic Anaerobic Digestion (US-MAD), thermophilic anaerobic digestion (TAD), thermal pretreated TAD (TH-TAD) and ultrasound-pretreated inverse Temperature Phased Anaerobic Digestion (iTPAD) have been investigated. The enhanced anaerobic processes resulted in higher specific biogas production and higher destruction of E.coli and Somatic coliphages with respect to conventional MAD process, thus confirming the feasibility of these innovative processes in full-scale implementation perspectives.
SourceECSM2014 - 4th European Conference on Sludge Management., Izmir, Turkey, 05/2014
KeywordsWaste activated sludgePretreatmentsTemperature-phased digestionBiogasE. coliSomatic coliphages
Year2014
TypeContributo in atti di convegno
AuthorsGianico, A., Braguglia, C.M., Gallipoli, A., Levantesi, C., Mininni, G
Text458576 2014 Waste activated sludge Pretreatments Temperature phased digestion Biogas E. coli Somatic coliphages Comparison of enhanced anaerobic digestion processes in terms of methane production and final sludge hygienization Gianico, A., Braguglia, C.M., Gallipoli, A., Levantesi, C., Mininni, G IRSA CNR, Water research institute. Via Salaria km 29.300 00015 Monterotondo Rome Sewage sludge processing is a key issue in wastewater treatment plants due to the inefficacy of conventional treatments to produce high quality sludge to be safely used in agriculture. Under this framework, the performances of several enhanced stabilization processes, namely ultrasound pretreated Mesophilic Anaerobic Digestion US MAD , thermophilic anaerobic digestion TAD , thermal pretreated TAD TH TAD and ultrasound pretreated inverse Temperature Phased Anaerobic Digestion iTPAD have been investigated. The enhanced anaerobic processes resulted in higher specific biogas production and higher destruction of E.coli and Somatic coliphages with respect to conventional MAD process, thus confirming the feasibility of these innovative processes in full scale implementation perspectives. Proceedings of 4th European Conference on Sludge Management, Izmir, Turkey; May 2014. Published version ECSM2014 4th European Conference on Sludge Management. Izmir, Turkey 05/2014 Internazionale Contributo Contributo in atti di convegno andrea.gianico GIANICO ANDREA