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 …

Coagulation/flocculation in dewatering of sludge: a review

H Wei, B Gao, J Ren, A Li, H Yang - Water research, 2018 - Elsevier
Sludge disposal is an integral part of wastewater treatment systems, and its cost usually
accounts for more than half of the total operation cost. Sludge disposal technology is facing …

Emerging electrochemistry-based process for sludge treatment and resources recovery: A review

Q Zeng, H Huang, Y Tan, G Chen, T Hao - Water Research, 2022 - Elsevier
The electrochemical process is gaining widespread interest as an emerging alternative for
sludge treatment. Its potentials for sludge stabilization and resources recovery have been …

Siderite/PMS conditioning-pressurized vertical electro-osmotic dewatering process for activated sludge volume reduction: evolution of protein secondary structure and …

E Li, Y Wang, D Zhang, X Fan, Z Han, F Yu - Water Research, 2021 - Elsevier
In this study, the siderite/PMS conditioning-pressurized vertical electro-osmotic dewatering
(PEOD) process was used to reduce the volume of activated sludge (AS). The changes in …

[HTML][HTML] What advanced treatments can be used to minimize the production of sewage sludge in WWTPs?

MC Collivignarelli, A Abbà, M Carnevale Miino… - Applied Sciences, 2019 - mdpi.com
Similar to other types of waste, sewage sludge (SS) must be minimized, not only to respect
the European Directive 2018/851 on waste, but also because the cost of sludge …

[HTML][HTML] A review on the recent advances in electrochemical treatment technologies for sludge dewatering and alternative uses

J Rumky, A Deb, MJ Shim, E Laakso, E Repo - Journal of Hazardous …, 2023 - Elsevier
Municipal wastewater treatment plants generate enormous quantities of sludge as a
byproduct, which not only contains a significant amount of water and harmful pathogens but …

Activation of nitrite by freezing process for anaerobic digestion enhancement of waste activated sludge: performance and mechanisms

X Liu, X Huang, Y Wu, Q Xu, M Du, D Wang… - Chemical Engineering …, 2020 - Elsevier
Nitrite-based pretreatment was demonstrated to effectively improve anaerobic digestion of
waste activated sludge. It was found in this work that the freezing activated nitrite …

Co-treatment of municipal solid waste incineration fly ash (MSWI FA) and municipal sludge: A innovative method to improve sludge dewatering with fly ash …

J Xing, Q Tang, M Gan, Z Ji, X Fan, Z Sun… - Journal of Environmental …, 2023 - Elsevier
The complexity of municipal sludge dewatering is a bottleneck problem limiting resource
utilization. In this paper, adding municipal solid waste incineration fly ash (MSWI FA) to …

Correlation and mechanism of extracellular polymeric substances (EPS) on the effect of sewage sludge electro-dewatering

Y Zhang, B Cao, R Ren, Y Shi, J Xiong, W Zhang… - Science of The Total …, 2021 - Elsevier
Electro-dewatering (ED) is an attractive technology for enhancing dewaterability of waste
activated sludge (WAS), and the distribution and composition of EPS and secondary …

Insights into the effects of acidification on sewage sludge dewaterability through pH repeated adjustment

H Wei, Y Tang, A Li, H Yang - Chemosphere, 2019 - Elsevier
Sludge acidification is a popular and efficient pretreatment method for improving sludge
dewaterability. To explore the mechanisms of sludge acidification deeply and provide a …