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 …
metals, organic pollutants and other toxic substances. The components of sludge are …
Improving the treatment of waste activated sludge using calcium peroxide
The treatment and disposal of waste activated sludge (WAS) has become one of the major
challenges for the wastewater treatment plants (WWTPs) due to large output, high treatment …
challenges for the wastewater treatment plants (WWTPs) due to large output, high treatment …
The novel application of polyoxometalates for achieving sludge deep dewatering using low-temperature thermal hydrolysis pretreatment
Traditional thermal hydrolysis pretreatment (THP) for sludge deep dewatering is energy-
intensive and poses the risk of generating bio-toxic substances that affect downstream …
intensive and poses the risk of generating bio-toxic substances that affect downstream …
Enhanced short-chain fatty acids production through a short-term anaerobic fermentation of waste activated sludge: synergistic pretreatment of alkali and alkaline …
Short-chain fatty acids (SCFAs) recovery through anaerobic fermentation is a promising
pathway to achieve economic benefits and carbon-emission reduction in waste activated …
pathway to achieve economic benefits and carbon-emission reduction in waste activated …
Decrease the effective temperature of hydrothermal treatment for sewage sludge deep dewatering: mechanistic of tannic acid aided
R Chen, X Dai, B Dong - Water Research, 2022 - Elsevier
The formation of refractory compounds and high nitrogen concentrations in filtrates is the
bottleneck of hydrothermal treatment (HT) for sludge deep dewatering. To simultaneously …
bottleneck of hydrothermal treatment (HT) for sludge deep dewatering. To simultaneously …
Insight into the enhanced sludge dewaterability by tannic acid conditioning and pH regulation
D Ge, H Yuan, J Xiao, 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 …
on account of its ability to precipitate protein. In this study, the effectiveness of TA …
Changes in the characteristics of dissolved organic matter during sludge treatment: A critical review
Dissolved organic matter (DOM) of sludge is a heterogeneous mixture of high to low
molecular weight organic substances which is including proteinaceous compounds …
molecular weight organic substances which is including proteinaceous compounds …
Graphitic biochar catalysts from anaerobic digestion sludge for nonradical degradation of micropollutants and disinfection
The peroxydisulfate (PDS)-based advanced oxidation processes (AOPs) is a promising
technology for wastewater treatment and the efficiency primarily depends on the high …
technology for wastewater treatment and the efficiency primarily depends on the high …
Unveiling the mechanisms of how cationic polyacrylamide affects short-chain fatty acids accumulation during long-term anaerobic fermentation of waste activated …
Cationic polyacrylamide, a flocculation powder widely used in wastewater pretreatment and
sludge dewatering, was highly accumulated in waste activated sludge. However, its effect on …
sludge dewatering, was highly accumulated in waste activated sludge. However, its effect on …
Enhanced volatile fatty acids (VFAs) production in a thermophilic fermenter with stepwise pH increase–Investigation on dissolved organic matter transformation and …
In this study, a mixture of primary and wasted activated sludge was fermented in a semi-
continuous reactor aiming for enhanced volatile fatty acids (VFAs) production. The reactor …
continuous reactor aiming for enhanced volatile fatty acids (VFAs) production. The reactor …