Characterization of electroosmotic flow in argentation ... A theoretical mode for electroosmotic mobility (μ eo) in argentation capillary electrophoresis has been established and the effects of buffer pH, Ag(I) concentration, temperature and organic solvent on electroosmotic mobility investigated. The decrease in μ eo with increasing Ag(I) concentration ... The influence caused by electroosmotic dehydration to ... The mechanical dehydration to the moisture content was 81% of the raw sludge with different degree of electro osmotic dewatering after dry heat treatment at 105 degrees Celsius, electro osmosis to water ratio of 76% anode mud cake surface with small cracks, with electroosmotic dehydration degree increased, the crack is more and more obvious. Heloisa Bordallo – Associate Professor – University of ... While electroosmotic dewatering of clays particles <10 μm is well-known, understanding of how tightly bound water molecules are removed from within the clay interlayers is still incomplete.    Read More

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  • Electro-Osmotic Dewatering (EOD) of Bio-Materials

    Electro-Osmotic Dewatering (EOD) of Bio-Materials Arun S. Mujumdar and Hiroshi Yoshida Abstract In practical application of electro-osmotic dewatering (EOD), it is very important to increase the dewatering rate, and to decrease the final water content

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  • Dewatering of Marine Clay using Electrokinetic Geosynthetics

    passive role. In this paper, a study of dewatering of marine clay using Galvanized iron (GI) and electrokinetic geosynthetics (EKG) as electrodes. III. MATERIALS AND METHDOLOGY A. Soil Soil is collected from Cochin area whose relative properties are shown in Table 1. .

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  • The results indicate the dependency of electro-osmotic dewatering upon ions in the soil. It is also found that electrode materials barely occupy any impact on the energy utilization ratio, which is closely related to properties of the soil.

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  • Electroosmotic dewatering of dredged sediments: Bench ...

    Electroosmotic dewatering of dredged sediments: Bench-scale investigation As a result of this, over a million cubic yards of highly contaminated sediment has accumulated in the harbor. Recently, the United States Army Corps of Engineers (USACE) has selected a site for the confined disposal facility (CDF) and is in the process of designing it.

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  • Glossary of fuel cell terms - Wikipedia

    The Glossary of fuel cell terms lists the definitions of many terms used within the fuel cell industry. The terms in this fuel cell glossary may be used by fuel cell industry associations, in education material and fuel cell codes and standards to name but a few.

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  • IOP Conference Series: Earth and Environmental Science ...

    Water discharge, current, voltage potential were measured during the tests; water content was also tested at three points after the electroosmosis. The results showed that aluminium was better than steel in electroosmotic drainage while brass provided the worst dewatering performance.

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  • JOURNAL OF CHEMICAL ENGINEERING OF JAPAN

    Theoretical equations were available for the design of electroosmotic dewatering apparatus. The electroosmotic dewatering was particularly effective for gelatinous sludges.

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  • Chemical Engineering at the University of Florida

    Electrophoresis and electroosmotic methods of dewatering phosphate clays have been explored since 1940s. [iv] - [vii] Although the basic technology was considered to have promise it was not considered commercially feasible.

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  • Dewatering of Tunneling Slurry Waste Using Electrokinetic ...

    Dewatering of Tunneling Slurry Waste Using Electrokinetic Geosynthetics D. Kalumba1; S. Glendinning2; C. D. F. Rogers3; M. Tyrer4; and D. I. Boardman5 Abstract: Laboratory experiments are described that investigate the potential for using electrokinetic geosynthetics EKGs materials that permit the combined exploitation of geosynthetics with electrokinetics EKs to dewater slurry waste from a .

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  • Loughborough University Research Publications

    Publications for Hemaka Bandulasena. ... VM, Bandulasena, HCH (2018) Electroosmotic Flow in Free Liquid Films: Understanding Flow in Foam Plateau Borders, Colloids and Interfaces. Holdich, RG, ... Biggs, C, Zimmerman, WB (2013) Harvesting and Dewatering Yeast by Microflotation, Biochemical Engineering Journal, 82, pp.174-182. Hanotu, J, ...

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  • Heloisa Bordallo – Associate Professor – University of ...

    While electroosmotic dewatering of clays particles <10 μm is well-known, understanding of how tightly bound water molecules are removed from within the clay interlayers is still incomplete.

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  • Food processing waste dewatering by electro-osmosis

    liquid (electro-osmosis).The solids are attracted to one elec­ trode while the water migrates towards the other electrode. The product'szeta potential rules the position ofthe positive and negative electrodes. For optimal process during electro­ osmotic dewatering, the water content in the sludge bed

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  • STATE-OF-THE-ART OF PHOSPHATIC CLAY DEWATERING

    STATE-OF-THE-ART OF PHOSPHATIC CLAY DEWATERING TECHNOLOGY AND DISPOSAL TECHNIQUES (In Two Parts) 1. A Review of Phosphatic Clay Dewatering Research By Walter E. Pittman, 1 and John W. Sweeney 2 ABSTRACT The Florida phosphate industry currently produces more than .

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  • JOURNAL OF CHEMICAL ENGINEERING OF JAPAN

    Electroosmotic dewatering is very effective for sludge which is difficult to dewater by mechanical methods. Its use under condition of constant voltage was investigated. The mechanism of electroosmotic dewatering for compressible sludge under condition of constant voltage was studied by using the model of electroosmotic flow through a compressible-particle packed bed.

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  • Electro-assisted dewatering of cellulosic materials

    Electro-assisted dewatering of cellulosic materials A comparison between fibrillated materials Master's thesis in Innovative and Sustainable Chemical Engineering JESSICA JAKOBSSON Department of Chemistry and Chemical Engineering CHALMERS .

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  • Electroosmotic introduction of methacrylate polycations to ...

    After the introduction of the polymeric materials into the clay, a more uniform distribution of the water content and a shortening of the dewatering time were observed in the tested samples. In some cases, dehydration in the presence of poly-DEAH+Cl was four times more effective than dewatering carried out without a polymeric additive.

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  • dewatering iron concentrate - unifai

    Iron Ore Concentrate Dewatering Machine. Request a quotation. Simply complete the form below, click submit, you will get the price list and a SBM representative will contact you within one business day.

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  • Influence of electrical conductivity on the electroosmotic ...

    recent studies have shown that electroosmotic dewatering is a possible dewatering alternative. This operation is strongly dependent of the electrical conductivity of the suspension of the cellulose nanocrystals, which was the main focus of this investigation.

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  • Dewatering of mine tailings using electrokinetic geosynthetics

    Dewatering of mine tailings using electrokinetic geosynthetics A.B Fourie, D.G. Johns, and C.J.F.P. Jones Abstract: Many mining operations produce tailings that dewater very slowly under self-weight consolidation. One way of reducing the water content of such tailings is by electroosmotic dewatering.

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  • Electro-osmotic consolidation: Laboratory tests and ...

    2 TEST ON ELECTRO-OSMOTIC CONSOLIDATION An axial-symmetrical electro-osmosis apparatus made of plexiglas with a radius of 18.8 cm and a height of 20 cm shown in Fig. 1 is developed to conduct the electro-osmotic consolidation test on kaolin clay. The radius of the central cylindrical drainpipe with many small holes on it is 1.25 cm.

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  • WasteWater System: Electroosmosis for Sludge Dewatering

    Electroosmosis for Sludge Dewatering Electroosmosis or application of Electroosmotic flow can be used as a method to dewater and make the sludge denser by utilizing electrical current in order to make the whole process possible.

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  • US4101400A - Method for dewatering sludge - Google Patents

    Sludge is dewatered to a dry content of more than 25% by a combination of (a) pre-conditioning the sludge by flocculation with polymeric flocculants; (b) pre-dewatering the conditioned sludge to a certain solid content corresponding with shovel consistency; (c) thereafter dewatering the sludge further through electroendosmosis under pressure.

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  • D SEPARATIONS TECHNOLOGY - The National Academies Press

    Washington, DC: The National Academies Press. doi: 10.17226/4912. ... (Coops et al., 1983; Christensen and Mullins, 1983). Electrorefining is classified as a pyrochemical process in this instance, because it also uses a molten salt as an ion-transfer medium between an impure metal anode and the pure metal cathode (the collected product ...

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  • Electrokinetic Soil Processing in Waste Remediation and ...

    Electrokinetic Soil Processing in Waste Remediation and Treatment: Synthesis of Available Data YALCIN B. AcAR AND JIHAD HAMED Electrokinetic soil processing is an innovative in situ technique to remove contaminants from soils and groundwater. The process is an alternative to conventional processes, with significant eco­

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  • Experimental Evidences of the Strengthening of Dredged ...

    Nowadays dredged materials are increasingly seen as a resource, and strategies and methodologies for their beneficial reuse are being developed throughout the world. When dealing with fine grained sediments, electro-osmotic treatment is very promising to this aim, being able to speed up dewatering ...

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  • Integrated microfluidic systems for cell lysis, mixing ...

    The present paper reports a fully automated microfluidic system for the DNA amplification process by integrating an electroosmotic pump, an active micromixer and an on-chip temperature control system. In this DNA amplification process, the cell lysis is initially performed in a micro cell lysis reactor.

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  • Interpreting fluid pressure anomalies in shallow ...

    Because K in argillaceous media can increase with the scale of observation by 5 or more orders of magnitude due to fractures and other heterogeneities [e.g., Bredehoeft et al., 1983], it is often more uncertain than the rate or timing of geologic perturbation.

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  • Electroosmotic Dewatering of Tomato Paste Suspension Under ...

    [Google Scholar]] electroosmotic dewatering of tomato paste suspension have been found effective in concentrating tomato paste under DC power supply. Significant amounts of water were removed by electroosmotic dewatering process under the operating conditions of the experiments used in the work.

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  • Dewatering of mine tailings using electrokinetic ...

    Electroosmotic dewatering provides a potentially attractive alternative technique for in situ dewatering. The technique, which involves the application of a potential difference between electrodes and causes the flow of water to the negatively charged cathode, has seen some limited use in civil engineering applications.

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  • Electroosmosisi Dewatering | Filtration | Chemical Engineering

    2..2 FEATURES OF ELECTROOSMOTIC DEWATERING dewateringas Yoshida(1993) hasidentified the main featuresof electroosmotic follows: 1. compared to conventional dewatering methods. blocking blocked The filter mediumis not damaged the of and effect so much and on clewatering rate is very small.

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