Electric (Electro/Dielectro-Phoretic)—Force Field Assisted Separators

Citeau, Morgane; Larue, O.; Vorobiev, Eugène

doi:10.1016/b978-0-12-384746-1.00008-2

Cited by 6 publications

(3 citation statements)

References 106 publications

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“…The commonly used types of filter presses for dewatering tailings include the belt-type filter press, box-type filter press, vertical filter press, and plate-frame filter press [132,156]. Belt filter presses require feed pretreatment, often involving flocculation, and typically offer capacities of 3.6 to 10 t/h/m for fine tailings, producing materials with a composition ranging from 45% to 70% solids.…”

Section: Pressure Filtrationmentioning

confidence: 99%

“…These include electroosmotic dewatering, electrowashing, dielectrophoretic separation, and electrofiltration (or other similar processes, depending on the type of mechanical separator they are employed with, such as electrosedimentation, electrocentrifugation, etc.) [156,163]. Both dead-end electrofiltration and electroosmotic dewatering use similar devices, with "electroosmotic dewatering" specifically involving the application of an electric field during the solid-liquid expression phase [98].…”

Section: Electrical Mechanical Dewateringmentioning

confidence: 99%

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Towards a Circular Economy in the Mining Industry: Possible Solutions for Water Recovery through Advanced Mineral Tailings Dewatering

Hamraoui,

Bergani,

Ettoumi

et al. 2024

Minerals

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The mining industry is confronted with substantial challenges in achieving environmental sustainability, particularly regarding water usage, waste management, and dam safety. The increasing global demand for minerals has led to increased mining activities, resulting in significant environmental consequences. By 2025, an estimated 19 billion tons of solid tailings are projected to accumulate worldwide, exacerbating concerns over their management. Tailings storage facilities represent the largest water sinks within mining operations. The mismanagement of water content in tailings can compromise their stability, leading to potential dam failures and environmental catastrophes. In response to these pressing challenges, the mining industry is increasingly turning to innovative solutions such as tailings dewatering and water reuse/recycling strategies to promote sustainable development. This review paper aims to (I) redefine the role of mine tailings and explore their physical, chemical, and mineralogical characteristics; (II) discuss environmental concerns associated with conventional disposal methods; (III) explore recent advancements in dewatering techniques, assessing their potential for water recovery, technical and economic constraints, and sustainability considerations; (IV) and present challenges encountered in water treatment and recycling within the mining industry, highlighting areas for future research and potential obstacles in maximizing the value of mine tailings while minimizing their environmental impact.

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Section: Pressure Filtrationmentioning

confidence: 99%

Section: Electrical Mechanical Dewateringmentioning

confidence: 99%

Towards a Circular Economy in the Mining Industry: Possible Solutions for Water Recovery through Advanced Mineral Tailings Dewatering

Hamraoui,

Bergani,

Ettoumi

et al. 2024

Minerals

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“…We postulate that the reactive solutions involved in MICP (rich in microbes, urea and calcium) represent electrolytes and therefore the electrically induced flow of solutes would impact significantly the fate and efficiency of the process to consolidate porous media via the formation of stable, CaCO 3 minerals. Applying electric fields to soils have attracted much attention in the geotechnical field, mainly at laboratory scale, for soil remediation applications (Cardoso and Santos 2013, Citeau et al 2015, Gingine and Cardoso 2019. Applied EKs enhance electrical motion forces that are effective in distributing either dissolved ions, charged particles or even organic ones.…”

Section: Introductionmentioning

confidence: 99%

Benefits and drawbacks of applied direct currents for soil improvement via carbonate mineralization

2020

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The study presented herein adopts a new vision of the processes involved in carbonate mineralization induced by MICP from an electrochemical and crystal growth perspective. More precisely a specific line of focus refers to the species involved in the bio-chemical reactions and especially their net particle charge. By altering electro-chemical conditions via the application of direct electric currents, we observe distinctive trends related to: (i) overall reaction efficiency; (ii) carbonate mineralization/dissolution and (iii) spatial distribution of precipitates. The study introduces the concept of EA-MICP which stands for Electrically Assisted MICP as a means of improving the efficiency of soil bio-consolidation and overcoming various challenges which were previously reported in conventional MICP-based works. Results reveal both the detrimental and highly beneficial role that electric currents can hold in the complex, reactive and transport processes involved. An interesting finding is the “doped” morphology of calcite crystals, precipitated under electric fields, validated by microstructural observations.

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Recent Progress on Pressure‐Driven Electro‐Dewatering (PED) of Contaminated Sludge

Ramadan

Farhah

Hadiwidodo

et al. 2021

Electrokinetic Remediation for Environmental Security and Sustainability

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Electric (Electro/Dielectro-Phoretic)—Force Field Assisted Separators

Cited by 6 publications

References 106 publications

Towards a Circular Economy in the Mining Industry: Possible Solutions for Water Recovery through Advanced Mineral Tailings Dewatering

Towards a Circular Economy in the Mining Industry: Possible Solutions for Water Recovery through Advanced Mineral Tailings Dewatering

Benefits and drawbacks of applied direct currents for soil improvement via carbonate mineralization

Recent Progress on Pressure‐Driven Electro‐Dewatering (PED) of Contaminated Sludge

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