Adaptability of organic matter and solid content to Fe 2+ /persulfate and skeleton builder conditioner for waste activated sludge dewatering

• Published in: Environmental science and pollution research international Vol. 29; no. 10; p. 14819
• Main Authors: Li, Xiaoran, Shi, Yafei, Zhou, Xi, Wang, Lu, Zhang, Huiqin, Pi, Kewu, Gerson, Andrea R, Liu, Defu
• Format: Journal Article
• Language: English
• Published: Germany 01.02.2022
• Subjects: Extracellular Polymeric Substance Matrix; Filtration; Oxidation-Reduction; Sewage; Skeleton; Waste Disposal, Fluid; Water; Skeleton builder; Dewaterability; Extracellular polymeric substances; Persulfate oxidation; Conditioning; Sewage sludge

Sludge conditioning is important for improved dewatering, with the sludge characteristics impacting the effect of conditioning. A composite conditioner, Fe -activated sodium persulfate (Fe /SPS) combined with phosphogypsum (PG), was used to examine its impact on sludges with different organic conten...