In-situ ammonia stripping with alkaline fermentation of waste activated sludge to improve short-chain fatty acids production and carbon source availability

• Published in: Bioresource technology Vol. 301; p. 122782
• Main Authors: Ye, Min, Luo, Jinghuan, Zhang, Sitong, Yang, Huan, Li, Yu-You, Liu, Jianyong
• Format: Journal Article
• Language: English
• Published: England Elsevier Ltd 01.04.2020
• Subjects: activated sludge; Alkaline fermentation; Ammonia; ammonium nitrogen; Carbon; Carbon source; chemical oxygen demand; denitrification; Fatty Acids, Volatile; Fermentation; Hydrogen-Ion Concentration; In-situ ammonia stripping; municipal wastewater; Sewage; Short-chain fatty acids; total suspended solids; Waste activated sludge; wastewater treatment; Short-chain fatty acids; Alkaline fermentation; Waste activated sludge; Carbon source; In-situ ammonia stripping

[Display omitted] •In-situ ammonia stripping improved SCFAs production from WAS alkaline fermentation.•21.7% of SCFAs increase with WAS hydrolysis enhanced and free from FA inhibition.•Most NH4+-N was stripped out with residue NH4+ of ~20 mg N/L in supernatant.•SCFAs availability as carbon source in...