منزل •electrokinetic dewatering presented

electrokinetic dewatering presented

  • Soil vapor extraction of wet gasoline-contaminated soil ...

    The dewatering phase of the electrokinetic treatment consumed less than 1000 kWh costing less than 50€. Laboratory simulation. Laboratory scale VOC evaporation test was performed with contaminated soil taken from 1.5–2.0 m depth of the Jalasjärvi site after the electrokinetic drying.

  • Electrical field: a historical review of its application ...

    Electro-dewatering thus involves the well-known phenomena of electrophoresis, electro-osmosis, and electromigration. Following a detailed outline of the role of the electric double layer and electrokinetic phenomena, an analysis of the components of applied voltage and their significance is presented from an electrochemical viewpoint.

  • US10486108B2 - 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 Densification of Solids in a Coal Mine ...

    The WIDCO site is presented as an example of how this technology can be applied to dewater sludge ponds. Although some of the design criteria are site specific, this report provides a guide for other companies planning electrokinetic dewatering systems for sludge ponds. Q

  • Electrokinetic Dewatering of Sewage Sludge with Fixed and ...

    Results from dewatering processes and Electrokinetic attenuation associated with fixed-electrode Electrokinetic Dewatering showed that attenuation in voltage gradient for underwatered section result in a proportional attenuation in both electrical current and flow rates as well as attenuation in dewatering effect along dewatering direction.

  • Electrokinetic - Dewatering Methods

    Electrokinetic has developed a wide range of EKG materials combining electroosmosis and filtration to yield an enhanced dewatering performance. This in turn offers improvements in performance (increase in solids content of dewatered material) or an increase in the speed of dewatering to the extent that filtration dewatering of some especially difficult materials becomes viable.

  • US20070267355A1 - Waste and Tailings Dewatering Treatment ...

    An apparatus and method are described for reducing the liquid content of a material comprising a particulate/liquid dispersion or suspension, in particular comprising a dispersion or suspension of inorganic particles being a byproduct of mining, manufacturing or other industrial processes. The apparatus comprising a receiving zone to contain the material, at least one pair of electrodes spaced ...

  • Semicontinuous Electrokinetic Dewatering of Clay Suspensions

    10 Abstract of Thesis Presented to the Graduate School of the University of Florida in Partial Fulfillment of the Requirements for the Degree of Master of Science SEMICON TINUOUS ELECTROKINETIC DEWATERING OF CLAY SUSPENSIONS By Rui Kong August 2011 Chair: Mark E. Orazem Major: Chemical Engineering The processing and storage of the phosphatic ...

  • Continuous dewatering method - Champion International ...

    The present invention relates to the dewatering of sludges, slurries, or the like, that contain macro-molecules, colloidal particles, and/or suspended particles in a carrier liquid, usually water, and, more particularly, to dewatering of such materials using electrokinetic techniques including both electrophoretic and electro-osmotic techniques.

  • Soil Structure Influence on Electrokinetic Dewatering ...

    12%The results from tests performed on samples of commercial white kaolin compacted to known structures are presented as example of the chemo-electro-hydraulic coupled behavior of clays. ... Cardoso R. (2016) Soil Structure Influence on Electrokinetic Dewatering Process. In: Ribeiro A., Mateus E., Couto N. (eds) Electrokinetics Across Disciplines ...

  • SETTLING OF SUPERNATANT FROM SEMICONTINUOUS …

    2006). Accelerating the dewatering of clay suspension would reduce clay settling areas and lead to more available lands for development. Previously, Patrick McKinney (2010) used electrokinetic dewatering to enhance the dewatering process of the phosphatic clay suspension in a bench top experiment.

  • Electrokinetic - Latest News

    Electrokinetic's EKG dewatering bags offered a dewatering and containment solution in one operation. A batch of 50 EKG bags, each with an internal volume of 1 cubic metre, was used to dewater 400 cubic metres of nuclear contaminated sludge. The EKG process raised the solids content from around 8%ds to 44%ds and contained the cake ready for ...

  • Electrokinetic dewatering and thickening. III ...

    The choice of electrokinetic cell for use with materials of differing flow characteristics is reviewed with special reference to products previously evaluated in the author's laboratory. Areas in which electrokinetic methods are at present applied are summarized.

  • Efficient continuous electrokinetic dewatering of ...

    Lab-scale electrokinetic dewatering prototypes for the separation of phosphatic clay. ... A schematic representation of the single-stage dewatering design in the presented. A feed clay was pumped into the left side of the unit between the conveyors. The dewatered cake was collected at the right side of the unit.

  • IOP Conference Series: Materials Science and Engineering ...

    electrokinetic and to investigate the current knowledge of electrokinetic in geotechnical application . through a literature search and review, including. ... of salt affected soils, dewatering of sludge, assisting pile driving and treatment of dispersive soils [7][14].

  • Electrokinetic - Downloads

    Dewatering of mine tailings using electrokinetic geosynthetics Fourie et al. (2007) Canadian Geotechnical Journal, 160-172. Dewatering of waste slurries using electrokinetic geosynthetic filter bags Hall et al. (2008) Presented at the 4th European Conference on Geosynthetics.

  • US4755305A - Continuous dewatering method - Google Patents

    An apparatus and method for dewatering sludges and the like as part of landfill operations by electrokinetic techniques including placing anode and cathode electrode modules in contact with the sludge and applying electrical energy to the electrodes to establish an electric field in the sludge. Charged particles within the sludge, including macro-molecules, colloids, and suspended particles ...

  • Electrokinetics - FRTR

    In situ electrokinetic treatment has been developed largely to address contaminants present in low permeability soils. Although this application is relatively new, the oil industry has employed electrokinetics for enhanced recovery over the past several decades. The first successful

  • Student Presentations – Mark E. Orazem

    A. Dizon, R. Kong, and M. E. Orazem, "Electrokinetic Technologies for Dewatering Phosphatic Clay Suspensions," presented at the 68th Annual Meeting of the International Society of Electrochemistry, Providence, Rhode Island, August 27-September 1, 2017.

  • Electrokinetic - Solving ground engineering and dewatering ...

    New technology available from Electrokinetic Ltd is bringing substantial benefits to historically difficult ground engineering and dewatering problems. The patented technology, electrokinetic geosynthetics (EKG), has numerous applications across a range of industries including stabilisation of embankments and cuttings; dewatering of wastes such as sewage sludge and mine tailings; and sports ...

  • Electrokinetic geosynthetics - SlideShare

    use of electrokinetic geosynthetics in slope stabilisation ... Tutorials Presented at the 5th IFAC Symposium on Identification and System Parameter Estimation, ... o Strengthening of slopes and cuttings. o Electro kinetic consolidation. o Dewatering of sewage sludge. o Dewatering and recovery of water from mine tailings.

  • Electrokinetic dewatering and thickening. I. Introduction ...

    12%An introduction to electrokinetics and a historical review of electrokinetic devices is presented. An introduction to electrokinetics and a historical review of electrokinetic devices is presented. ... J.G. Electrokinetic dewatering and thickening. I. Introduction and historical review of electrokinetic applications. J Appl Electrochem 17, ...

  • Electrokinetic Studies of Mine Tailings Considering ...

    The effect of the electrokinetic process on the extraction of trapped water was evaluated in the Miduk copper mine's tailings slurry. The effect of the dewatering process on copper removal was also studied. The initial electroosmotic permeability was determined using a one-dimensional cell. In the next step, the effect of voltage and polarity reversal was evaluated for three scenarios: T1 (2 ...

  • Dewatering of Tunneling Slurry Waste Using Electrokinetic ...

    Laboratory experiments are described that investigate the potential for using electrokinetic geosynthetics ... preliminary designs, and cost estimates can be based on the results presented herein. Recommended. Cited By . ... Assessing the Use of Aluminium Electrodes on the Electrokinetic Dewatering and Stabilization of Dredged Mud Slurries.

  • Electrokinetic geosynthetics: from research to hype to ...

    Electrokinetic geosynthetics enable civil engineers to put electrical energy into the ground to stiffen it and control groundwater flows. This paper summarises the evolution of the technology over the past 25 years, from research by way of hype and into practice. It was conceived in 1993 at Newcastle University in the UK, combining established knowledge of geotextiles with historical studies ...

  • Electrokinetic Dewatering of Mine Tailings Using DSA ...

    ) in the electrokinetic dewatering of mine tailings slurries. Characterization of the tailings is presented, followed by the results of electrokinetic dewatering, including the gradually increased and decreased voltages applied during the treatment, polarity reversal, and surcharge pressure applied to tailings.

  • By RUI KONG

    semicontinuous electrokinetic dewatering of clay suspensions by rui kong a thesis presented to the graduate school of the university of florida in partial fulfillment of the requirements for the degree of master of science university of florida 2011 . 2

  • Control System And An Adaptive Electrokinetic Dewatering ...

    An adaptive electrokinetic dewatering system for dewatering slurry and soil deposits, including tailings deposits and a control system therefor. The control system automatically determines an optimal applied power specification, including sets of power parameters to be applied to the deposit being dewatered and when to apply each set of power ...