Combined electrical-alkali pretreatment to increase the anaerobic hydrolysis rate of waste activated sludge during anaerobic digestion

[Display omitted] •Combined electrical-alkali pretreatment for improving sludge anaerobic digestion was proposed.•Combined process enhanced the cell lysis, biopolymers releases, and thus sludge disintegration.•Increased solubilization of sludge increased the anaerobic hydrolysis rate.•Increased solu...

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Veröffentlicht in:	Applied energy 2014-09, Vol.128, p.93-102
Hauptverfasser:	Zhen, Guangyin, Lu, Xueqin, Li, Yu-You, Zhao, Youcai
Format:	Artikel
Sprache:	eng
Schlagworte:	Alkaline solubilization Anaerobic digestion Applied sciences Dewaterability Digestion Disintegration Electrolysis Energy Exact sciences and technology Methane Pretreatment Sludge Solubilization Ultraviolet visible (UV–Vis) spectra Waste activated sludge (WAS)
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