Critical review on dewatering of sewage sludge: Influential mechanism, conditioning technologies and implications to sludge re-utilizations

B Wu, X Dai, X Chai - Water research, 2020 - Elsevier
Abstracts Sewage sludge (mainly composed of excessive bio-sludge) is an inevitable by-
product of biological wastewater treatment process and contains various toxic substances …

[HTML][HTML] The roles of free ammonia (FA) in biological wastewater treatment processes: A review

Y Liu, HH Ngo, W Guo, L Peng, D Wang, B Ni - Environment international, 2019 - Elsevier
Free ammonia (FA) can pose inhibitory and/or biocidal effects on a variety of
microorganisms involved in different biological wastewater treatment process, which is …

Changes in molecular structure of extracellular polymeric substances (EPS) with temperature in relation to sludge macro-physical properties

S Peng, A Hu, J Ai, W Zhang, D Wang - Water Research, 2021 - Elsevier
Extracellular polymeric substances (EPS) are important components of activated sludge,
whose content and composition have important effects on the macro-physical properties of …

Insight into the enhanced sludge dewaterability by tannic acid conditioning and pH regulation

D Ge, H Yuan, J **ao, N Zhu - Science of The Total Environment, 2019 - Elsevier
Tannic acid (TA), a phenolic compound, may be considered as a sludge conditioning agent
on account of its ability to precipitate protein. In this study, the effectiveness of TA …

Effective partial denitrification of biological effluent of landfill leachate for Anammox process: Start-up, influencing factors and stable operation

Y Li, W Zhang, Y Dai, X Su, Y **ao, D Wu, F Sun… - Science of The Total …, 2022 - Elsevier
Partial denitrification combined with Anammox is a promising approach for simultaneous
removal of ammonium and nitrate from wastewaters. In this study, the start-up, influencing …

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

D Wang, C Pan, L Chen, D He, L Yuan, Y Li, Y Wu - Water Research, 2022 - Elsevier
The treatment and disposal of sludge is a complex environmental problem because of the
high moisture content. Herein, We reported the process of Fe (II) activating Urea hydrogen …

Unraveling oxidation behaviors for intracellular and extracellular from different oxidants (HOCl vs. H2O2) catalyzed by ferrous iron in waste activated sludge …

W Yu, Q Wen, J Yang, K **ao, Y Zhu, S Tao, Y Lv… - Water Research, 2019 - Elsevier
Cell lysis in sludge pretreatment by advanced oxidation process (AOP) has a great effect on
sludge dewaterability. Cell lysis caused by reactive radicals (eg hydroxyl radical) was …

Two wastes into one resource: Carbide slag-driven anaerobic fermentation of excess sludge towards short-chain fatty acids recovery

H Pang, Q Wei, Y Xu, Y Zhang, D Xu, J Liu, J He… - Chemical Engineering …, 2024 - Elsevier
The anaerobic fermentation has been regarded as promising technology for short-chain fatty
acids (SCFAs) recovery from excess sludge. Despite that various treatment approaches …

Enhanced dewaterability of anaerobically digested sludge by in-situ free nitrous acid treatment

Y Li, D Wang, G Yang, X Yuan, Q Xu, Q Yang, Y Liu… - Water research, 2020 - Elsevier
As the protonated form of nitrite, free nitrous acid (FNA) is a renewable chemical that can be
produced on site from the anaerobic digestion liquor by nitritation, and has been widely …

Sludge-based biochar-assisted thermophilic anaerobic digestion of waste-activated sludge in microbial electrolysis cell for methane production

C Yin, Y Shen, R Yuan, N Zhu, H Yuan, Z Lou - Bioresource technology, 2019 - Elsevier
The development of microbial electrolysis cells (MECs) for methane production from waste
activated sludge (WAS) is arrested due to the limited methane yield and fragile system …