A green co‐treatment to accelerate the hydrolysis of sludge during anaerobic fermentation using free nitrous acid and sodium citrate

Background Anaerobic fermentation of waste activated sludge to produce short‐chain fatty acids (SCFAs) is one of the means of sludge resource utilization. However, the protective effect of the extracellular polymeric substances (EPS) structure contained in sludge flocs can lead to a slow hydrolysis...

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Veröffentlicht in:	Journal of chemical technology and biotechnology (1986) 2023-07, Vol.98 (7), p.1759-1768
Hauptverfasser:	Zhou, Wu‐yang, Fang, Qian, Ding, Wen‐xue, Xiao, Zi‐long, Luo, Fan, Ping, Qi‐qi, Wang, Guang‐hua, Zhang, Rui‐jian
Format:	Artikel
Sprache:	eng
Schlagworte:	Acetic acid Activated sludge anaerobic fermentation Bacteria Cations Chemical oxygen demand Community structure Cytology Degradation Extracellular polymers Fatty acids Fermentation free nitrous acid Hydrolysis microbial community Nitrous acid Optimization Organic matter Oxidation Pretreatment Resource utilization short‐chain fatty acids Sludge Sludge treatment Sodium Sodium citrate Solid suspensions Total suspended solids waste activated sludge
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