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Electrokinetic dewatering achieved

  • Electrokinetic geosynthetics - SlideShare

    Sep 30, 2016· use of electrokinetic geosynthetics in slope stabilisation. can be achieved by combining the electro kinetic phenomena of electro-osmosis, electrophoresis and associated electro kinetic functions such as electrolysis with the traditional functions of geo synthetics of drainage, filtration, containment and reinforcement. Dewatering of

  • of Mineral Ultrafines Surfactant-Enhanced Electroosmotic

    Another process for dewatering ultrafine slurries be- yond the hydraulic limit is electrokinetic separation which uses electrical energy. A major advantage is that electrokinetic dewatering, in principle, is independent of particle size.

  • Remediation of Salt Impacted Groundwater with Electrokinetics.

    Sep 18, 2005· Electrokinetic technology has long been used in applications that require soil dewatering and more recently there has been widespread research and application of this technology into contaminated sites treatment. Electrokinetic remediation is achieved by applying an electric field over the impacted area causing the movement of ions.

  • Electrophoretic dewatering of mine tailings using

    The electrokinetic treatment of mine tailings demonstrated that dewatering of mine tailings using electrokinetic geosynthetic methods could be economic as well as effective Fourie et al

  • Electrokinetic Remediation Terran Corporation

    Electrokinetic processes can also be used to desalinate salt contaminated soils, remove metals contamination or even dewater saturated soils. Electrokinetic Desalinization Systems Terran has developed and patented an electromigration system to remove chloride and sodium ions from brine-contaminated soil and groundwater.

  • Development of an electrokinetic method of dewatering and

    Biosolids are organic-rich residuals resulting from the wastewater treatment processes. Thousands of tons of biosolids are produced every year currently in Canada and the U.S., which should be treated and disposed of safely according to the strict environmental standards. This study aims to investigate different sludges and generate Class A biosolids due to electrokinetic (EK) simultaneous

  • Laboratory Evaluation of the Potential for Electrokinetic

    materials for electrokinetic dewatering, and characterise the dewatering performance of a simulated belt press configuration using standard electrokinetic test cells. The results of the tests showed that the diamond could be achieved fell well within the required range for transport by conveyor. Preparations have been

  • Electrokinetic - Case Studies

    Electrokinetic case studies. EK system case studies include: EKG Slope stabilisation. Dewatering bags. Dewatering nuclear contaminated mineral slurry; A step change in belt press dewatering performance has been achieved by combining conventional belt press technology with EKG. This breakthrough adds the dewatering effect of

  • (PDF) Sludge dewatering by electrokinetic technique

    Advances in Environmental Research 7 (2003) 727732 Sludge dewatering by electrokinetic technique: effect of processing time and potential gradient Ching Yuana,*, Chih-huang Wengb a Department of Civil and Environmental Engineering, National University of Kaohsiung, No. 700, Kaohsiung University Road, Non-Tzu Dist., 811, Kaohsiung, Taiwan, ROC b Department of

  • (PDF) Dewatering of mine tailings using eletrokinetic

    the finer the material the better the electrokinetic dewatering. potential. The material for which the lowest energy con-sumption was found was the sand mining washery ov erflow, which had 70%

  • Semicontinuous Electrokinetic Dewatering of Clay Suspensions

    Thus, the separation result s showed that the change s of solids content achieved by the electrokinetic dewatering process was larger than the gravity only process but smaller tha n what is expected according to the constitu tive relationship. Supernatant w ater One of the purposes for develop ing the phosphat ic clay dewatering technique is to

  • (PDF) Dewatering of mine tailings using eletrokinetic

    the finer the material the better the electrokinetic dewatering. potential. The material for which the lowest energy con-sumption was found was the

  • Electrokinetic dewatering, consolidation and stabilization

    A particular case of this process is defined as the electrochemical method. By this technique soil stabilization is obtained by the passage of continuous current and injection at the same time of an electrolyte solution, e.g., calcium chloride, aluminum sulfate, aluminum acetate or

  • Electro-kinetic dewatering of oily sludges - ScienceDirect

    Oct 17, 2005· Yuan and Weng also achieved a high water content reduction from 87.8 to 62.6% in municipal sludge at a potential gradient 5.0 V/cm in 41 h using a 6 cm long electro-kinetic dewatering

  • (PDF) Electrokinetic dewatering of Turkish glass sand

    dewatering pond using an electrokinetic technique was designed and a final product (cake) containing 34% moisture was obtained after 24 h treatment using 14.6 V

  • WO2014055723A1 - Electrokinetic dewatering of phosphatic

    Various examples are provided for electrokinetic dewatering of, e.g., phosphatic clay suspensions. In one example, among others, a system includes a separation chamber including an anode and a cathode extending ends of the separation chamber and a power supply configured to energize the anode and the cathode to establish an electric field.

  • Electrokinetic - EKG Geochemical Soil Improvement

    EKG Dewatering. Overview; EKG Dewatering Bag; EKG In Situ Dewatering The critical difference between conventional lime stabilisation and the EKG approach is that by the use of the electrokinetic phenomena of ion migration and electroosmotic flow, the introduction of the conditioning chemical species is achieved without mechanical

  • ELECTROKINETIC DEWATERING OF SOIL USING MULTI

    electrokinetic system for dewatering for soil kept at its liquid limit. Based on the results from laboratory testing, it can be concluded that electrokinetic process decreased the water content to the tune of 70% and increase the shear strength of soil.

  • Electrokinetic dewatering and consolidation of dredged

    Large amounts of marine sediments are produced every year as a result of capital and maintenance dredging works at major ports and these materials must be disposed of. Reuse of these dredged marine sediments for land reclamation is a sustainable and responsible method of disposal management. When the dredged sediments are utilized as a fill material in

  • Electrokinetic dewatering of mine tailings from

    Electrokinetic dewatering of mine tailings from hydrometallurgical processes JQ Shang The University of Western Ontario, (negative pole). Dewatering and consolidation are achieved when the water is permitted to drain at the cathode and prohibited to enter the anode. The electrochemical reactions are associated with the EK process, which

  • Dewatering of sewage sludge using electrokinetic

    The electrokinetic treatment of mine tailings demonstrated that dewatering of mine tailings using electrokinetic geosynthetic methods could be economic as well

  • Electrokinetic - Dewatering Methods

    Electrokinetic has developed a wide range of EKG materials that combine electroosmosis and filtration in such a way as to yield an enhanced dewatering performance.

  • of Mineral Ultrafines Surfactant-Enhanced Electroosmotic

    A major advantage is that electrokinetic dewatering, in principle, is independent of particle size. surface electrical properties is achieved through the addition of chemicals in the form of NaOH and a cationic surfactant. Thus, the purpose of this research work is to explore the concept of

  • Efficient continuous electrokinetic dewatering of

    Mar 01, 2019· Electrokinetic dewatering (EKD) is also referred to in the literature as electro-dewatering (EDW) or electro-osmotic dewatering (EOD). Mahmoud et al. [ 9] demonstrated enhanced dewatering of waste water sludge by combining conventional pressure dewatering with electrokinetic dewatering.

  • ElectroKinetic Solutions Inc. (EKS) Announces New CEO

    Proof-of-concept was achieved through more than three years of laboratory research. Scaled-up tests were performed at the C-FER facility in Edmonton, Alberta. EKS is a clean technology company that has developed the ElectroKinetic Solutions-Dewatering Technology (EKS-DT). This innovative technology is applicable to a wide range of

  • Electrokinetic treatment of soils, London Institution of

    Mar 07, 2018· In the last decade the economic, environmental and technical benefits, which can be achieved by electrokinetic treatment of soils, have been demonstrated. The current application areas include: control of pore water pressure; in-situ increase in shear strength; accelerated consolidation of weak soils and marine deposits and dewatering of

  • Electrokinetic geosynthetics: from research to hype to

    The dewatering of medium volumes of miscellaneous wastes and sludges can be achieved rapidly and without the development of major infrastructure using electrokinetic bags. Examples of the types of materials that have been dewatered include dredgings, water clarification slurry, anaerobically digested waste, nuclear-contaminated waste and road

  • (PDF) Electro-Kinetic Technology as a Low-Cost Method for

    Thus, electrokinetic dewatering may be considered to have distinct advantages over other process, including osmo-convective drying. Effluent pH Table 4 shows the pH measured at both cathode and anode for each sample at 0, 15, and 30 V.

  • RESPONSE OF DIFFERENT TYPES OF BIOSOLIDS TO

    Salmonella spp. was achieved in the reactor with anaerobically digested sludge under a low biosolids using an electrokinetic dewatering system. The application of DC current to biosolids between a series of anodes and cathodes produces a number of electrokinetic phenomena (e.g.

  • Electro-kinetic dewatering of oily sludges

    and Weng [3] also achieved a high water content reduc-tion from 87.8 to 62.6% in municipal sludge at a potential gradient 5.0V/cm in 41h using a 6cm long electro-kinetic dewatering cell. Electro-osmosis and electrophoresis are the two most important mechanisms for water removal and the improvement of cake building in sludge dewatering pro

  • Electrokinetic geosynthetic dewatering of nuclear

    Aug 01, 2015· The use of electrokinetic geosynthetics (EKG) technology provides an alternative dewatering treatment method which reduces the volume of the contaminated waste. The paper describes the dewatering of nuclear contaminated waste sludge using electrokinetic geosynthetics

  • (PDF) Recent research and applications in the use of

    electrokinetic dewatering of tailings pr oduces water recovery and a major reduction i n the carbon foot print of This can be achieved by combin ing the electrokinetic phen omena of

  • Electrokinetic remediation of unsaturated soils

    Jan 01, 1992· Electrokinetic remediation is an in situ emerging technology that offers potential cost and process benefits for contaminated soil treatment. The innovative approach under development at Lynntech, Inc. is based on the application of nonhomogeneous pulsed DC or AC electric fields with the objective to maximize rates of contaminant removal.

  • Paper: Electrokinetic dewatering of mine tailings from

    Shang, JQ 1997b, Electrokinetic dewatering of clay slurries as engineering soil covers, Canadian Geotechnical Journal, vol. 34, no. 1, pp. 7886. Shang, JQ & Mohamedelhassan, E 2001, Electrokinetic dewatering of Eneabba West mine tailings: An experimental study. Proceedings of the Soft Ground Technology Conference, no. 112, pp

  • Electrokinetic dewatering and consolidation of dredged

    Electrokinetic Dewatering and Consolidation of Dredged Marine Sediments Mona Malekzadeh Electrokinetic stabilization is an environmentally friendly and time efficient method, however, a lack of standard design guidelines draws the achieved when the anode is placed at the bottom. vi

  • 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兴 to dewater

  • (PDF) Sludge dewatering by electrokinetic technique

    Advances in Environmental Research 7 (2003) 727732 Sludge dewatering by electrokinetic technique: effect of processing time and potential gradient Ching Yuana,*, Chih-huang Wengb a Department of Civil and Environmental Engineering, National University of Kaohsiung, No. 700, Kaohsiung University Road, Non-Tzu Dist., 811, Kaohsiung, Taiwan, ROC b Department of Civil

  • Electrokinetic dewatering and consolidation of dredged

    Large amounts of marine sediments are produced every year as a result of capital and maintenance dredging works at major ports and these materials must be disposed of. Reuse of these dredged marine sediments for land reclamation is a sustainable and responsible method of disposal management. When the dredged sediments are utilized as a fill material in reclamation sites and are pumped into

  • 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.

  • Dewatering and coliform inactivation in biosolids using

    The feasibility of using electrokinetic processes for dewatering and fecal coliform (FC) inactivation was evaluated on a bench scale. Six electrokinetic cells were filled with biosolids from an att

  • Semi-Continuous Electrokinetic Dewatering of Phosphatic

    Sep 10, 2014· The results showed that low-turbidity water can be separated from a clay solids suspension by a combination of electrokinetic dewatering and free settling. This work also suggests that separation can be enhanced at larger electric fields and that optimized separation may be achieved at a residence time of 11 h for this specific configuration

  • 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

  • (PDF) Electrokinetic dewatering of Turkish glass sand

    dewatering pond using an electrokinetic technique was designed and a final product (cake) containing 34% moisture was obtained after 24 h treatment using 14.6 V direct current applied for 40 min.

  • Electrokinetic dewatering of mine tailings from

    Electrokinetic dewatering of mine tailings from hydrometallurgical processes JQ Shang The University of Western Ontario, (negative pole). Dewatering and consolidation are achieved when the water is permitted to drain at the cathode and prohibited to enter the anode. The electrochemical reactions are associated with the EK process, which

  • Electro-kinetic dewatering of oily sludges - ScienceDirect

    Oct 17, 2005· Yuan and Weng also achieved a high water content reduction from 87.8 to 62.6% in municipal sludge at a potential gradient 5.0 V/cm in 41 h using a 6 cm long electro-kinetic dewatering cell. Electro-osmosis and electrophoresis are the two most important mechanisms for water removal and the improvement of cake building in sludge dewatering


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