Chemical defoamers are universally dosed to mitigate foaming in anaerobic digestion (AD) systems, yet their residual impacts on downstream sludge dewaterability remain a black box. This study reveals that a ubiquitous polyether defoamer (PD) profoundly deteriorates AD sludge dewaterability. With 0.3% (v/v) PD addition,...
Qi-Zi Fu, Ji-Yong Wang, Bing Sun et al.· Water Research· 1 citation
Dimethyl phthalate (DMP), a crucial plastic additive widely employed, has been detected in sewers, sediments, and sewage sludge at elevated levels, particularly in regions where active sulfur cycling occurs. However, the effect of DMP on anaerobic sulfur conversion, especially toxic H2S production, has not been documen...
Qi-Zi Fu, Xing-Yu Ma, Bing Sun et al.· Environmental Research· 0 citations
The traditional assessment of contaminants' effects on sludge anaerobic digestion system usually concentrates on single endpoint such as methane and ignores the broader metabolic trade-off. This study shows how bisphenol S (BPS), which is largely used instead of other similar chemicals that have been restricted, drives...
Qi-Zi Fu, Bing Sun, Yi-Fan Pu et al.· Journal of Hazardous Materia...· 2 citations
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