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Filtration behavior and associated mechanisms of kaolinite and illite with emphasis on pH effect. [PDF]

RSC Adv
Liu G, Xu X, Chen R, Shao H, Tao D, Yang L, Bu X.   +6 more
europepmc   +1 more source

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Dewaterability of Waste Activated Sludge With Ultrasound Conditioning

Bioresource Technology, 2009
This study investigated the potential benefits of ultrasound-conditioned sludge dewatering treatments with specific energy dosages from 0 to 35,000 kJ/kg total solids (TS). Capillary suction time (CST) and specific resistance of filtration (SRF) were used to evaluate sludge dewaterability.
Heng-yi Lei
exaly   +3 more sources

Influence of Microwave Irradiation on Sludge Dewaterability

Chemical Engineering Journal, 2009
Abstract The study focuses on the effect of microwave irradiation on sludge dewaterability. Capillary suction time and specific resistance of filtration were used to evaluate sludge dewaterability. Soluble chemical oxygen demand, extracellular polymeric substance (EPS) content and sludge particle size were determined in an attempt to explain the ...
Heng-yi Lei, Guangwei Yu
exaly   +2 more sources

Physicochemical pretreatment and dewaterability of septage

, 2001
In this study, chemical treatability of septa-e was investigated. The septage, taken from the equalization tank of an existing septa-e treatment plant, was coagulated by different chemicals such as alum, alum plus polyelectrolite (PE) and lime plus PE in varying dosages. After coagulation-flocculation and sedimentation TSS, COD and total phosphorus (TP)
Akça, Lütfi, Sevimli, Mehmet Faik, Alp, Kadir, Demir, A., Çitil, Elif Tuğçe   +4 more
openaire   +3 more sources

Role of Extracellular Polymeric Substances in Improvement of Sludge Dewaterability Through Peroxidation

Bioresource Technology, 2015
Extracellular polymeric substances (EPS) was believed to be the primary factor determining the sludge dewaterability due to its ability to bind with water. Conventionally, several different mechanisms were proposed for the enhanced dewaterability.
Qilin Wang, Guangming Jiang, Xu Zhou
exaly   +2 more sources

Improving Dewaterability of Anaerobically Digested Sludge by Combination of Persulfate and Zero Valent Iron

Chemical Engineering Journal, 2016
Biological wastewater treatment process generates large amounts of sludge, the treatment and disposal of which incur substantial costs. Enhancement of sludge dewaterability is of great importance for decreasing the sludge disposal cost in a wastewater ...
Qilin Wang, Xu Zhou, Yiqi Liu
exaly   +3 more sources

The Impact of Digestion on Sludge Dewaterability

Process Safety and Environmental Protection, 2000
Sludge disposal is a growing problem for all wastewater treatment companies, as intensifying wastewater processing to meet more stringent discharge limits leads to increased sludge production. Anaerobic digestion can reduce the overall mass of the waste sludge requiring disposal, but the end product is generally more difficult to dewater.
J.I. Houghton, J. Quarmby, T. Stephenson
openaire   +1 more source

Impacts of Morphological, Physical and Chemical Properties of Sludge Flocs on Dewaterability of Activated Sludge

Chemical Engineering Journal, 2004
This study examined how the floc characteristics affect dewaterability of activated sludge. The floc properties were characterised by morphological parameters (floc size distribution, fractal dimension and filament index), physical properties ...
Britt-marie Wilén, Paul Lant
exaly   +2 more sources

Dewaterability of Aerobic Granular Sludge

Applied Mechanics and Materials, 2011
Dewatering characteristics of aerobic granular sludge, activated sludge and sludge which mixed flocculant was studied. It was shown that the specific resistance of aerobic granular sludge is lower than activated sludge and sludge with mixed flocculant was in the range of 1.07~1.80×109 S2/g, and it increased with the increase of diameters of the ...
Yan Nian Zhou, Jun Li, Jing Li, Su Wei
openaire   +1 more source

Stratification Structure of Sludge Flocs with Implications to Dewaterability

Environmental Science & Technology, 2008
Sludge dewatering has proven to be an effective method to reduce the volume of sludge. In this study, a novel stratification approach aimed at better understanding the factors influencing the sludge dewaterability (as determined by capillary suction time, CST) was developed.
Guang-Hui, Yu, Pin-Jing, He, Li-Ming, Shao, Pei-Pei, He   +3 more
openaire   +2 more sources