Positive feedback on dewaterability of waste-activated sludge by the conditioning process of Fe(II) catalyzing urea hydrogen peroxide

Water Research(2022)

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摘要
•Fe(II)/UHP process was developed to improve sludge dewatering••OH from Fe(II)/UHP liberated the EPSs-bound and cells-bound water••OH from Fe(II)/UHP reduced centrifugal liquor viscosity and electronegativity•Fe(II)/UHP reduced solid-liquid interface interaction of WAS•Fe(II)/UHP increased hydrophobicity, flocculation, and flowability of WAS
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关键词
Waste-activated sludge dewatering,Fe(II)/Urea hydrogen peroxide,Extracellular polymeric substances,Solid-liquid interfacial interactions
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