Bioresource Technology 214 (2016) 184–191 Contents lists available at ScienceDirect Bioresource Technology journal homepage: www.elsevier.com/locate/biortech Effect of thermal pretreatment on the biogas production and microbial communities balance during anaerobic digestion of urban and industrial waste activated sludge a,b a b c b Hajer Ennouri , Baligh Miladi , Soraya Zahedi Diaz , Luis Alberto Fernández Güelfo , Rosario Solera , a a,⇑ Moktar Hamdi , Hassib Bouallagui Université de Carthage, LR: LETMi, INSAT, B.P. 676, 1080 Tunis, Tunisia Faculty of Marine and Environmental Sciences, University of Cádiz, Pol. Río San Pedro s/n, 11510 Puerto Real (Cádiz), Spain Faculty of Sciences, University of Cádiz, Pol. Río San Pedro s/n, 11510 Puerto Real (Cádiz), Spain highlights graphical a bstract The anaerobic digestion of pretreated urban and industrial sludge was investigated. Effects of temperature on the hydrolysis of organic matter were examined. The high biogas yield of 0.42 l/g VS was achieved with sludge pretreated at 120 C. FISH analysis showed an increase of archaea from 40% to 86% in the sludge. Hydrogen using methanogens are predominant in archaea. ar ti c l e i nf o ab stra ct Article history: The effect of thermal pre-treatment on the microbial populations balance
Bioresource Technology – Elsevier
Published: Aug 1, 2016
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