dewatering phosphate electrokinetic

  • Semicontinuous Electrokinetic Dewatering of Clay CORE

    Semicontinuous Electrokinetic Dewatering of Clay Suspensions . By Rui Kong. Abstract. In the series University of Florida Digital Collections.Includes vita.(Bibliography) Includes bibliographical references.(Source of Description) Description based on online resource title from PDF title page.(Source of Description) This bibliographic record

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  • Process for the dewatering of phosphate slimesSUN FUHUA

    While U.S. Pat. No. 4 808 304 utilizes an electrokinetic process for the dewatering of phosphate slime the cost of the electricity used in this process is prohibitive and the solid content of the material produced is still not greater than about 14 to 18 .

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  • Valorizing Biowaste for Wastewater Treatment Dewatering

    2021-3-25 · Sludges or fluid tailings are an aqueous stream bearing high concentrations of fine solids. Each year sludges are rejected as a major waste stream at a scale of millions of tons from a variety of mining and mineral processing industries such as alumina coal copper phosphate and oil sands. Due to the lack of cost-effective techniques for efficient dewatering the majority of these

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  • US10486108B2Electrokinetic 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.

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  • Electrokinetic dewatering project highlighted in

    2016-2-21 · Electrokinetic dewatering project highlighted in December 10 2015. University of Florida press release. DEPARTMENT OF CHEMICAL ENGINEERING. Mark E. Orazem. Distinguished Professor of Chemical Engineering. Prototype for Continuous Dewatering of Phosphate

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  • "PED pressurized electroosmotic dewatering " by Leon

    Mechanical solid/liquid separation or dewatering of fine-grained suspensions is difficult to accomplish with any degree of success cost effectiveness and/or practicality. The use of electroosmosis the electrokinetic transport of water which is theoretically independ- ent of pore size on the other hand can be quite slow and consume a great deal of electrical energy.

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  • SUBSIDENCE OF SUSPENSIONS OF PHOSPHATIC SLIME

    2004-2-4 · The dewatering of stable phosphatic clay suspensions resulting from the processing of phosphate rock is a problem of much practical and theoretical significance. In order to in addition to the electrokinetic properties morphology swelling

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  • Blood Processing Dewatering System Products Suppliers

    2021-5-23 · Electrokinetic cells and their application to a range of materials. These processes can also be applied to in situ dewatering of e.g. soils phosphate slimes and to high-cost low-volume throughput materials e.g. separation of blood serums. In the case of biological systems and food products where salt concentrations are acceptably low and

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  • DESIGN OF ELECTROLYTIC DEWATERING SYSTEMS FOR

    2013-5-31 · For example recently electrokinetic methods have been demonstrated for dewatering of soil 11mine tailings 4 12sludge 13and clay 14–16including Florida phosphate clay.17The literature suggests electrokinetic methods can significantly decrease the 16 time required to dewater clay.

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  • Dewatering of Sewage Sludge by Electrokinetics -Journal of

    2006-11-29 · After the test of digested sludge dewatering test of thickened sludge is carried to evaluate the electrokinetic dewatering feasibility of thickened sludge. Under the condition of constantly applied voltage however electrical resistance increases with decreasing of water content so that dewatering rate decreases with time.

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  • 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. 78–86. Shang JQ Mohamedelhassan E 2001 Electrokinetic dewatering of Eneabba West mine tailings An experimental study.

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  • Dewatering of mine tailings using electrokinetic

    2020-11-10 · 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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  • Dewatering of mine tailings using electrokinetic

    2020-11-10 · 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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  • Electrokinetic dewatering of a phosphate clayScienceDirect

    Electrokinetic dewatering of a phosphate clay was investigated in an experimental program. The results show that the velocity of sedimentation is controlled by the applied current density and that electro-osmotic permeability dominates the effectiveness of electrokinetic consolidation. The intermittent current and polarity reversal can

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  • Electrokinetic dewatering of a phosphate clayScienceDirect

    1997-8-1 · Electrokinetic dewatering of a phosphate clay was investigated in an experimental program. The results show that the velocity of sedimentation is controlled by the applied current density and that electro-osmotic permeability dominates the effectiveness of electrokinetic consolidation.

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  • SETTLING OF SUPERNATANT FROM SEMICONTINUOUS

    2012-10-12 · While electrokinetic dewatering reduced the turbidity of the supernatant liquid subsequent settling greatly reduced the turbidity of the supernatant before. The phosphate ore) is a waste product of phosphate mining. Clay suspensions which contain 3-5 wt initial solids content (Carrier 2001) are pumped to clay settling areas

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  • Electroosmotic Dewatering 1983waldemarpanek.pl

    Electroosmotic dewatering of clays III. Influence of clay Apr 01 1983 · Electroosmotic dewatering of sedimented and drained samples of Na Ca Al H and Cu kaolinites and Na Ca Al and H montmorillonites commenced at 1 V for Na H and Cu clays at 5 1 2 —10 V for Ca clays and at 25 V for Al clays which did not dewater appreciably until > 160 V was applied.

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  • A constitutive relationship for electrokinetic dewatering

    Benchtop experiments were performed in which an electric field was used to enhance separation of water from phosphatic clay suspensions from a central Florida mine. A constitutive relationship was established that relates the increase in solids content to operating time and the applied electric field. An upper limit to the degree of separation was found to be a function of electric field and

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  • Electrokinetic dewatering of phosphatic clay settling

    A mathematical model is presented for the electrokinetic dewatering of suspensions of phosphatic clays. The modeling approach couples a boundary-element model for solution of Laplace s equation to a recently developed constitutive equation that relates the change in

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  • Dewatering of Sewage Sludge by Electrokinetics -Journal of

    2006-11-29 · After the test of digested sludge dewatering test of thickened sludge is carried to evaluate the electrokinetic dewatering feasibility of thickened sludge. Under the condition of constantly applied voltage however electrical resistance increases with decreasing of water content so that dewatering rate decreases with time.

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  • Dewatering of Sewage Sludge by Electrokinetics -Journal of

    2006-11-29 · After the test of digested sludge dewatering test of thickened sludge is carried to evaluate the electrokinetic dewatering feasibility of thickened sludge. Under the condition of constantly applied voltage however electrical resistance increases with decreasing of water content so that dewatering rate decreases with time.

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  • SETTLING OF SUPERNATANT FROM SEMICONTINUOUS

    2012-10-12 · While electrokinetic dewatering reduced the turbidity of the supernatant liquid subsequent settling greatly reduced the turbidity of the supernatant before. The phosphate ore) is a waste product of phosphate mining. Clay suspensions which contain 3-5 wt initial solids content (Carrier 2001) are pumped to clay settling areas

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  • "PED pressurized electroosmotic dewatering " by Leon

    Mechanical solid/liquid separation or dewatering of fine-grained suspensions is difficult to accomplish with any degree of success cost effectiveness and/or practicality. The use of electroosmosis the electrokinetic transport of water which is theoretically independ- ent of pore size on the other hand can be quite slow and consume a great deal of electrical energy.

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  • NESL_HomeUniversity of Florida

    2021-4-15 · Phosphate clay suspensions are a by-product of strip mining rendering large land areas unusable for development. Electrokinetic dewatering offers the opportunity to reclaim these areas. Dr. Moghaddam was awarded a 1.6M grant from the the Advanced Research Projects Agency-Energy (ARPA-E) to develop a membrane based absorption cooling system.

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  • Phosphate Rock Dewatering optimization

    phosphate beneficiation process in berlin. December 510 2004 10 00 10 30 Optimization Criteria for Phosphate Beneficiation 2TUBerlin gold tailings dewatering equipment for phosphate

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  • Electrokinetic Management of Biosolids for the

    2011-1-6 · the simultaneous dewatering heavy metal removal and inactivation of the swine helminth Ascaris suum from wastewater sludge in one operational unit for the production of exceptional quality biosolids. The process is based on the electrokinetic

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  • Electroosmotic Dewatering 1983waldemarpanek.pl

    Electroosmotic dewatering of clays III. Influence of clay Apr 01 1983 · Electroosmotic dewatering of sedimented and drained samples of Na Ca Al H and Cu kaolinites and Na Ca Al and H montmorillonites commenced at 1 V for Na H and Cu clays at 5 1 2 —10 V for Ca clays and at 25 V for Al clays which did not dewater appreciably until > 160 V was applied.

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