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Siru Zhou, Chuanhan Chen and Ruohong Li
Sludge conditioning is a crucial step in sludge dewatering aimed at minimizing excessive sludge production. The Fenton process, which harnesses oxidative radicals to dismantle extracellular polymeric substances (EPS) and microorganisms, has been unequivo...
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Hekai Jin, Song Lin, Yueyun Yang, Zhixin Liang, Yiqi Chen, Lei Hua, Ying Zhang, Hongtao Jia, Guodong Zhang and Tiecheng Wang
Surplus sludge disposal and treatment are major issues in wastewater treatment plants. Discharge plasma oxidation is an effective approach for sludge dewatering and digestion. In this study, excess sludge disintegration by non-thermal discharge plasma co...
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Hongwei Sun, Yiran Li, Wei Tang, Huanhuan Chang, Cuizhong Chen and Chenjian Cai
To investigate the effect of free ammonia (FA) on the nitrogen removal performance, extracellular polymeric substances (EPSs), and physicochemical properties of activated sludge, four laboratory-scale sequencing batch reactors (SBRs) were operated at FA ...
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Miguel Ángel López Zavala and Jorge Isidro Ramos Patlán
In this study, the dewaterability of activated sludge inoculated with spores of two filamentous fungi (Trichoderma reesei and Aspergillus oryzae) was evaluated. The reduction of capillary suction time (CST) and the increase of sludge solids content were ...
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Elia Judith Martínez, Jose Guillermo Rosas, Antonio Morán and Xiomar Gómez
The aim of this work was to study the effect of ultrasonic pretreatment on sludge digestion, particle size distribution (PSD), and dewaterability of digestates (measured by capillary suction time (CST) and specific resistance to filtration (SRF)). Sludge...
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