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electrokinetic dewatering tailings

Electrokinetic Dewatering of Mine Tailings

Electrokinetic Dewatering of Mine Tailings Efficient water recovery from mine tailings offers a number of advantages including reuse of water, reduction in size of the disposal facility and an increased lifespan for a given facility.

Electrokinetic Dewatering of Mine Tailings Using DSA

electrokinetic dewatering of sand washery tailings and reported favorable dewatering with a low energy consumption of 1 kWh per dry ton. Bayat et al. [9] studied the electrokinetic dewatering of fine glass sand tailings (d 80 finer than 2 μm) in the laboratory, where the solid content was increased from

(PDF) ELECTROKINETIC DEWATERING OF GYPSUM CONTAINING

The results of the study show that the electrokinetic dewatering would be very effective on the tailings using SS316 mesh electrodes, indicated by the magnitude of the coefficient of electroosmotic...

Paper: Electrokinetic dewatering of mine tailings from

Shang, JQ & Xu, Y 2019, 'Electrokinetic dewatering of mine tailings from hydrometallurgical processes', in AJC Paterson, AB Fourie & D Reid (eds),

Laboratory Evaluation of Electrokinetic Dewatering of

tailings dewatering techniques. An alternative solution consists in dewater and consolidate mine tailings under current intermittence, technique called electroosmosis. This paper presents the development of an electroosmotic cell to measure the electrokinetic flow and the consolidation process of fine tailings under specified boundary conditions.

Dewatering of oil sands tailings with an electrokinetic

Jan 01, 2017 The use of planar electrokinetic geocomposites (eGCPs) in FFT disposal areas could improve in-situ dewatering by allowing water to drain after it is expulsed during consolidation and by permitting the use of electro-osmosis (EO) to displace a significant portion of the remaining water.

Electrokinetic dewatering of Turkish glass sand plant tailings

Jan 01, 2006 In this study, the dewatering of glass sand plant tailings from Mersin, Turkey was investigated using an electrokinetic technique. The particle size (d 8 0) of the solid waste material tested was less than 0.020 mm and consisted mainly of silica, orthoclase, alumina, potassium and iron oxides.

ELECTROKINETIC DEWATERING OF GYPSUM CONTAINING

Electrokinetic dewatering of mine tailings has been studied since 1960s. Applications included dewatering of coal and sand washeries and tailings from mineral recovery (Lockhart 1986). The treatments were implemented in tailings disposal ponds, and underground mines (Kelsh and Sprute

Electrokinetic Dewatering of Mine Tailings Using DSA

Request PDF Electrokinetic Dewatering of Mine Tailings Using DSA Electrodes Electrokinetic dewatering has been shown to be a promising technology; however, one of the challenges in its

Electrokinetic Dewatering of Mine Tailings Using DSA

electrokinetic dewatering of sand washery tailings and reported favorable dewatering with a low energy consumption of 1 kWh per dry ton. Bayat et al. [9] studied the electrokinetic dewatering of fine glass sand tailings (d 80 finer than 2 μm) in the laboratory, where the solid content was increased from

Dewatering of oil sands tailings with an electrokinetic

Jan 01, 2017 The use of electrokinetic geocomposites was tested for the consolidation of oil sands mature fine tailings (MFT). • Efficient dewatering was obtained under 20 kPa normal stress and electro-osmosis.. MFT shear strength improved from nearly 0 kPa to a mean value of 25 kPa.. The energy required was 10.6 kW h per dry tonne.

Electrokinetic dewatering of Turkish glass sand plant tailings

Jan 01, 2006 In this study, the dewatering of glass sand plant tailings from Mersin, Turkey was investigated using an electrokinetic technique. The particle size (d 8 0) of the solid waste material tested was less than 0.020. mm and consisted mainly of silica, orthoclase, alumina, potassium and iron oxides.. In current plant practice, Larox high-pressure filters are used to produce a filter cake containing

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.

A study on electrokinetic dewatering of oil sands tailings

Electrokinetic and chemical treatment of oil sands mature fine tailings: dewatering and strengthening Authors: Yu Guo,Julie Q. Shang,Joon Kyu Lee,Yixuan Wang Source: Proceedings of the Institution of Civil Engineers Ground Improvement, Volume 173, Issue 3,1 Aug 2020 (127–142)

ELECTROKINETIC DEWATERING OF GYPSUM CONTAINING

Electrokinetic dewatering of mine tailings has been studied since 1960s. Applications included dewatering of coal and sand washeries and tailings from mineral recovery (Lockhart 1986). The treatments were implemented in tailings disposal ponds, and underground mines (Kelsh and Sprute

"Electrokinetic Dewatering of Oil Sands Tailings" by Yu Guo

Oil sands tailings are the final product of oil sands processing and in the form of slurry with very low solid content. After sedimentation, due to a low hydraulic conductivity of the tailings, both dewatering and consolidating the tailings are difficult. Since electrokinetic (EK) is an effective method to consolidate low permeability soils, the objective of this study is to assess the

Laboratory Evaluation of Electrokinetic Dewatering of

tailings dewatering techniques. An alternative solution consists in dewater and consolidate mine tailings under current intermittence, technique called electroosmosis. This paper presents the development of an electroosmotic cell to measure the electrokinetic flow and the consolidation process of fine tailings under specified boundary conditions.

Electrokinetic Dewatering of Oil Sands Tailings CORE

After sedimentation, due to a low hydraulic conductivity of the tailings, both dewatering and consolidating the tailings are difficult. Since electrokinetic (EK) is an effective method to consolidate low permeability soils, the objective of this study is to assess the effectiveness and efficiency of EK dewatering of MFT, a man-made geomaterial.

Prototype Testing on Oil Sands Tailings: ElectroKinetic

This project involves field testing of the ElectroKinetic Solutions-Dewatering Technology (EKS-DT) process. The EKS-DT process will deploy electrodes to dewater oil sands and other mine tailings, which shows the potential of faster reclamation including legacy mined-out

Electrokinetic dewatering of Turkish glass sand plant tailings

PubMedID: 16380151In this study, the dewatering of glass sand plant tailings from Mersin, Turkey was investigated using an electrokinetic technique. The particle size (d80) of the solid waste material tested was less than 0.020 mm and consisted mainly of silica, orthoclase, alumina, potassium and iron oxides.

Chemical Engineering at the University of Florida

[xii] J. Q. Shang, “Dewatering of Mine Tailings using Electrokinetic Geosynthetics,” Canadian Geotechnical Journal, 34 (1997), 78-86. [xiii] Bozena Paczkowska, “Electroosmotic Introduction of Methacrylate Polycations to Dehydrate Clayey Soil,” Canadian Geotechnical Journal, 42 (2005), 780-786.

Electrokinetic geosynthetics SlideShare

Sep 30, 2016 Dewatering of mine tailings Disposal of kimberlite slimes Dewatered tailings (78%) dry solids. 16. Conclusion o Active geo synthetics in the form of EKG materials open up a new range of applications for geo synthetics. o EKG applications relate to a number of main drivers including legal requirements, climate change, the need to reduce carbon

Electrokinetic Dewatering of Ultrafine Coal and Coal Tailings

The four tests on Wambo tailings all started from different initial solids content values, ranging from 30 to 45%, and effective electrokinetic dewatering was achieved in all four cases. The tests in the EO cell confirmed the data obtained from the tub tests, with the Dawson tailings again performing poorly relative to the other five materials.

Electrokinetic Dewatering of Mine Tailings Using DSA

electrokinetic dewatering of sand washery tailings and reported favorable dewatering with a low energy consumption of 1 kWh per dry ton. Bayat et al. [9] studied the electrokinetic dewatering of fine glass sand tailings (d 80 finer than 2 μm) in the laboratory, where the solid content was increased from

"Electrokinetic Dewatering of Oil Sands Tailings" by Yu Guo

Oil sands tailings are the final product of oil sands processing and in the form of slurry with very low solid content. After sedimentation, due to a low hydraulic conductivity of the tailings, both dewatering and consolidating the tailings are difficult. Since electrokinetic (EK) is an effective method to consolidate low permeability soils, the objective of this study is to assess the

Laboratory Evaluation of Electrokinetic Dewatering of

tailings dewatering techniques. An alternative solution consists in dewater and consolidate mine tailings under current intermittence, technique called electroosmosis. This paper presents the development of an electroosmotic cell to measure the electrokinetic flow and the consolidation process of fine tailings under specified boundary conditions.

Electrokinetic Dewatering of Oil Sands Tailings CORE

After sedimentation, due to a low hydraulic conductivity of the tailings, both dewatering and consolidating the tailings are difficult. Since electrokinetic (EK) is an effective method to consolidate low permeability soils, the objective of this study is to assess the effectiveness and efficiency of EK dewatering of MFT, a man-made geomaterial.

Dewatering Sludge Using Electrokinetic Geosynthetics

Sewage sludge lagoons, although smaller than tailings ponds still pose an environmental hazard or impede redevelopment. Several researchers have shown that electrokinetic dewatering of sludge is more effective than conventional hydraulically driven methods.

TECHNICAL NOTE ELECTRIC AVENUE Emap

Colin Jones and John Lamont-Black explain electrokinetic dewatering of tailings and sludge. E. xtremely large volumes of mine . waste are produced annually and some mine tailings lagoons are among the largest geotechnical structures in the world. Many mining operations produce extremely fine tailings that dewater . very slowly under self-weight

Electrolysis: An Innovative Technique to Desaturate Tailings

electrokinetic dewatering of waste sludge. Colloids and Surfaces A-Physicochemical and Engineering Aspects 210(2-3): 231-241. 17. Aguero G (1929) Formacion de Depositos de Relaves en el Mineral del Teniente. Anales del Institute de Ingenieros de Chile 5: 164-187. 18. Dobry R, Alvarez L (1967) Seismic Failures of Chilean Tailings Dams.

Chemical Engineering at the University of Florida

[xii] J. Q. Shang, “Dewatering of Mine Tailings using Electrokinetic Geosynthetics,” Canadian Geotechnical Journal, 34 (1997), 78-86. [xiii] Bozena Paczkowska, “Electroosmotic Introduction of Methacrylate Polycations to Dehydrate Clayey Soil,” Canadian Geotechnical Journal, 42 (2005), 780-786.

Electrokinetic geosynthetics SlideShare

Sep 30, 2016 Dewatering of mine tailings Disposal of kimberlite slimes Dewatered tailings (78%) dry solids. 16. Conclusion o Active geo synthetics in the form of EKG materials open up a new range of applications for geo synthetics. o EKG applications

PASTE, THICKENED AND FILTERED TAILINGS

Tailings dewatering with the ElectroKinetic Solutions-Dewatering Technology process J Vandersleen, E Hanna, ElectroKinetic Solutions, Inc., Canada Thickener feedwell internal trough slurry distribution method SM Viduka, B Henriksson, TON Outotec, Australia Sustainable mine tailings challenges T Wisdom, FLSmidth Inc., USA TRANSPORTATION

Electrokinetic dewatering of Turkish glass sand plant tailings

PubMedID: 16380151In this study, the dewatering of glass sand plant tailings from Mersin, Turkey was investigated using an electrokinetic technique. The particle size (d80) of the solid waste material tested was less than 0.020 mm and consisted mainly of silica, orthoclase, alumina, potassium and iron oxides.

Electrokinetic Dewatering of Ultrafine Coal and Coal Tailings

The four tests on Wambo tailings all started from different initial solids content values, ranging from 30 to 45%, and effective electrokinetic dewatering was achieved in all four cases. The tests in the EO cell confirmed the data obtained from the tub tests, with the Dawson tailings again performing poorly relative to the other five materials.

Harnessing the Power: Opportunities for Electrokinetic

electrokinetic dewatering requires a change in mind-set. It is the electro-os-motic permeability and the voltage gra-dient that are all important. Previous Studies on the Use of Electrokinetic Dewatering of Mine Tailings Probably the earliest concerted efforts at using electrokinetics for dewatering tailings was the work carried out by the

Process Optimization of Electrokinetic Transport Phenomena

The research project would involve developing and executing an experimental program to optimize the application of electrokinetic dewatering technology for oil sands tailings called EKS-DT developed by ElectroKinetic Solutions (EKS). This research will involve conducting a series of high priority experiments for process optimization and innovation.