Enhanced technology based for sewage sludge deep dewatering: A critical review

B Cao, T Zhang, W Zhang, D Wang - Water Research, 2021‏ - Elsevier
Sludge is an inevitable by product of sewage treatment, and it includes pathogens, heavy
metals, organic pollutants and other toxic substances. The components of sludge are …

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 …

Influence of wastewater sludge treatment using combined peroxyacetic acid oxidation and inorganic coagulants re-flocculation on characteristics of extracellular …

W Zhang, B Cao, D Wang, T Ma, H **a, D Yu - Water Research, 2016‏ - Elsevier
Extracellular polymeric substances (EPS) are highly hydrated biopolymers and play
important roles in bioflocculation, floc stability, and solid-water separation processes …

Enhancement of waste activated sludge dewaterability using calcium peroxide pre-oxidation and chemical re-flocculation

Z Chen, W Zhang, D Wang, T Ma, R Bai, D Yu - Water Research, 2016‏ - Elsevier
The effects of combined calcium peroxide (CaO 2) oxidation with chemical re-flocculation on
dewatering performance and physicochemical properties of waste activated sludge was …

Enhancement of activated sludge dewatering performance by combined composite enzymatic lysis and chemical re-flocculation with inorganic coagulants: kinetics of …

Z Chen, W Zhang, D Wang, T Ma, R Bai - Water Research, 2015‏ - Elsevier
The feasibility of combined process of composite enzymatic treatment and chemical
flocculation with inorganic salt coagulants was investigated in this study. The evolution of …

Novel insights into enhanced dewaterability of waste activated sludge by Fe (II)-activated persulfate oxidation

G Zhen, X Lu, Y Li, Y Zhao, B Wang, Y Song… - Bioresource …, 2012‏ - Elsevier
The potential of Fe (II)-activated persulfate (S2O82−) oxidation on enhancing the
dewaterability of sludge flocs from 3-full scale wastewater treatment plants (WWTPs) were …

Removal of phenolic endocrine disrupting compounds from waste activated sludge using UV, H2O2, and UV/H2O2 oxidation processes: effects of reaction conditions …

A Zhang, Y Li - Science of the Total Environment, 2014‏ - Elsevier
Removal of six phenolic endocrine disrupting compounds (EDCs)(estrone, 17β-estradiol,
17α-ethinylestradiol, estriol, bisphenol A, and 4-nonylphenols) from waste activated sludge …

Rapid and efficient activated sludge treatment by electro-Fenton oxidation

Y Chen, H Chen, J Li, L **ao - Water research, 2019‏ - Elsevier
Advanced oxidation process is one of the important process to improve the efficiency of
activated sludge dewatering and digestion. In this study, electro-Fenton (EF) was …

Combination treatment of ultrasound and ozone for improving solubilization and anaerobic biodegradability of waste activated sludge

G Xu, S Chen, J Shi, S Wang, G Zhu - Journal of Hazardous Materials, 2010‏ - Elsevier
The hydrolysis is known to be the rate-limiting step of biological sludge anaerobic
degradation. The disruptions of sludge flocs and microbial cell walls by ultrasound …

Enhancement of anaerobic digestion sludge dewatering performance using in-situ crystallization in combination with cationic organic polymers flocculation

Q Wang, W Zhang, Z Yang, Q Xu, P Yang, D Wang - Water research, 2018‏ - Elsevier
Anaerobic digestion (AD) has been widely used in sludge treatment for biogas recovery,
organic fraction stabilization, and sludge reduction. However, after AD, sludge filterability is …