Results 21 to 30 of about 142,636 (209)

Effect of influent organic content on digested sludge extracellular polymer content and dewaterability [PDF]

open access: yes, 2002
The organic composition of the feed sludge to six laboratory-scale anaerobic digesters was adjusted by substituting a proportion of the primary sludge for glucose or propionic acid solution.
Stephenson, Tom, Houghton, Jennifer I.
core   +1 more source

Conditioning of Sewage Sludge with Physical, Chemical and Dual Methods to Improve Sewage Sludge Dewatering

open access: yesEnergies, 2021
The paper presents the impact of different methods of sewage sludge conditioning on the improvement of sludge dewatering during pressure filtration processes.
Beata Bień, Jurand D. Bień
doaj   +1 more source

Effect of process parameters on the energy requirement in ultrasonical treatment of waste sludge [PDF]

open access: yes, 2009
Mechanical treatment methods are used as pre-treatment methods in order to enhance the efficiency of conventional sludge treatment processes and the sludge becomes more suitable for its complete treatment.
Kidak, Rana   +2 more
core   +1 more source

The enhanced dewaterability of sludge by a starch-based flocculant combined with attapulgite

open access: yesScientific Reports, 2023
Coagulation/flocculation is one of the most widely used and cost-effective pretreatment methods for improving the dewaterability of sludge. In this study, a cationic modified starch-based flocculant (St-CTA) in conjunction with a popular clay ...
Shaohang Shen   +4 more
doaj   +1 more source

Assessment of two sludge stabilization methods in a wastewater treatment plant in Sotaquirá, Colombia

open access: yesUniversitas Scientiarum, 2020
Wastewater sludge is a by-product of wastewater treatment; it is often employed in agricultural processes following appropriate microbiological stabilization.
José Castellanos-Rozo, Jaqueline A. Galvis-López, Nuri A. Merchán-Castellanos, Elsa H. Manjarres-Hernández, Alex L. Rojas
doaj   +1 more source

Dewatering of sludge obtained by neutralisation from sulfuric-acid waste solutions [PDF]

open access: yesMining and Metallurgy Engineering Bor, 2014
The aim of this paper was to investigate the possibility of removing the liquid phase from the sludge using the mechanical dewatering methods. The sludge was obtained by neutralization of sulfuric acid waste solution from the process of copper ...
Marković Radmila   +3 more
doaj   +1 more source

Evaluation of pre-magnetization on the dewaterability of waste activated sludge treated by ozonation

open access: yesWater Cycle, 2023
The dewaterability of waste activated sludge (WAS) plays the key role in sludge dewatering in wastewater treatment plants. The magnetic field as a source of clean energy has been reported to be able to cause changes in sludge properties and to enhance ...
Jianxin Zhang, Chang Chen, Ning Ding
doaj   +1 more source

Electro-dewatering (EDW) as Hybrid Dewatering Technology: Influence of Operating Parameters and Energy Efficiency [PDF]

open access: yesE3S Web of Conferences, 2023
Electro-dewatering (EDW) is a hybrid technology for separating liquids from solids in the wastewater sludge dewatering process. EDW has excellent prospects because it is able to remove water from sludge with high efficiency and low energy consumption ...
Junaidi Junaidi   +2 more
doaj   +1 more source

Zero Excess Sludge Production in a Thermophilic MBR System: Performance and Energy Consumption Evaluation. [PDF]

open access: yesWater Environ Res
A full‐scale thermophilic pure‐oxygen process coupled with ceramic ultrafiltration achieves over 85% volatile solids removal and extremely low biomass yields, enabling substantial sludge reduction. Despite higher energy demand, the recovery of soluble COD and robust long‐term performance make this approach a sustainable and regulation‐resilient sludge ...
Collivignarelli MC   +6 more
europepmc   +2 more sources

Optimization of thermal–alkaline pretreatment for dewatering of excess sludge followed by thermal/persulfate oxidation for the elimination of extracellular ARGs in TAP-treated filtrate

open access: yesWater Science and Technology, 2023
This study evaluated the dewatering of excess sludge and the removal of extracellular antibiotic-resistant genes (eARGs) from the treated filtrate by thermal–alkaline pretreatment (TAP) and thermal/persulfate (PS).
Pengcheng Yao, Aiju You
doaj   +1 more source

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