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 …

A sustainable reuse strategy of converting waste activated sludge into biochar for contaminants removal from water: modifications, applications and perspectives

J Hu, L Zhao, J Luo, H Gong, N Zhu - Journal of Hazardous Materials, 2022 - Elsevier
Conversion of sewage sludge to biochar for contaminants removal from water achieves the
dual purpose of solid waste reuse and pollution elimination, in line with the concept of …

Potassium permanganate-based advanced oxidation processes for wastewater decontamination and sludge treatment: a review

Y Wang, K Zheng, H Guo, L Tian, Y He, X Wang… - Chemical Engineering …, 2023 - Elsevier
The wastewater pollution with various contaminants exposure and increased sludge
production from municipal wastewater treatment plants (WWTPs) are the two challenges …

Advanced oxidation processes (AOPs)-based sludge conditioning for enhanced sludge dewatering and micropollutants removal: A critical review

W Lin, X Liu, A Ding, HH Ngo, R Zhang, J Nan… - Journal of Water …, 2022 - Elsevier
Applying advanced oxidation processes (AOPs) in sludge dewatering to improve sludge
treatment, disposal and environmental protection has attracted much interest due to the …

Arsenic removal from water and soils using pristine and modified biochars

W Zhang, Y Cho, M Vithanage, SM Shaheen… - Biochar, 2022 - Springer
Arsenic (As) is recognized as a persistent and toxic contaminant in the environment that is
harmful to humans. Biochar, a porous carbonaceous material with tunable functionality, has …

Enhanced sludge dewaterability by a novel MnFe2O4-Biochar activated peroxymonosulfate process combined with Tannic acid

X Yang, L Zeng, J Huang, Z Mo, Z Guan, S Sun… - Chemical Engineering …, 2022 - Elsevier
The high moisture content of sludge is a key factor limiting its subsequent treatment and
disposal. Herein, a novel method of MnFe 2 O 4-biochar (MFB) activated peroxymonosulfate …

Dewaterability of sewage sludge conditioned with a graft cationic starch-based flocculant: Role of structural characteristics of flocculant

P Hu, S Zhuang, S Shen, Y Yang, H Yang - Water Research, 2021 - Elsevier
Coagulation/flocculation is one of the most extensive and cost-effective pretreatments to
improve the dewaterability of sludge in water treatment plants. In this study, three series of …

Coupling of KMnO4-assisted sludge dewatering and pyrolysis to prepare Mn, Fe-codoped biochar catalysts for peroxymonosulfate-induced elimination of phenolic …

L Kou, J Wang, L Zhao, K Jiang, X Xu - Chemical Engineering Journal, 2021 - Elsevier
Conversion of waste sludge into biochar-based catalysts has been considered as a feasible
alternative for sludge treatment, and dewatering of waste sludge is a key process for further …

Performance and mechanisms of wastewater sludge conditioning with slag-based hydrotalcite-like minerals (Ca/Mg/Al-LDH)

W Zhang, H Cheng, S Peng, D Li, H Gao, D Wang - Water research, 2020 - Elsevier
Extracellular polymeric substances (EPS) in wastewater sludge form a network structure that
is highly hydrophilic and compressible. Thus chemical conditioning is always required to …

The novel application of polyoxometalates in sludge dewatering: Cells lysis and re-flocculation

M Chen, C Hu, L Wang, H Sun, S Xu, X Ling… - Chemical Engineering …, 2023 - Elsevier
Abstract Polyoxometalates (POMs) coupled with FeCl 3 was tested as an efficient and eco-
friendly sludge dewatering conditioning in this study. The results indicated that the water …