Activation of nitrite by freezing process for anaerobic digestion enhancement of waste activated sludge: Performance and mechanisms

• Published in: Chemical engineering journal (Lausanne, Switzerland : 1996) Vol. 387; p. 124147
• Main Authors: Liu, Xuran, Huang, Xiaoding, Wu, Yanxin, Xu, Qiuxiang, Du, Mingting, Wang, Dongbo, Yang, Qi, Liu, Yiwen, Ni, Bing-Jie, Yang, Guojing, Yang, Fan, Wang, Qilin
• Format: Journal Article
• Language: English
• Published: Elsevier B.V 01.05.2020
• Subjects: Anaerobic digestion; Freezing treatment; Methane; Nitrite; Waste activated sludge; Methane; Waste activated sludge; Freezing treatment; Nitrite; Anaerobic digestion
• ISSN: 1385-8947; 1873-3212
• DOI: 10.1016/j.cej.2020.124147

[Display omitted] •Freezing activated nitrite pretreatment (FN) enhanced anaerobic digestion from WAS.•FN benefited WAS disintegration and the biodegradable of organics released.•FN benefited the dewaterability or pathogens inactivation of digested sludge.•Freezing induced reactive derivatives from...