Stability of Ion Exchange Membranes in Electrodialysis

Solonchenko, Ksenia; Kirichenko, Anna; Kirichenko, Ksenia

doi:10.3390/membranes13010052

Cited by 4 publications

(3 citation statements)

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“…76 Factors Influencing Ion Transport in BMED. Ion transport in BMED is influenced by various factors, including ion properties such as symmetry, size, hydration number, 77 electrolyte concentration in the membrane's intermediate layer, 78 electric current passage, 79 and the heating and tangential flow of the solution. 79 Ion transport in BMED is affected by various factors, including the properties of the membrane and the electrolytes (Figure 7b−e).…”

Section: Bipolar Membrane Electrodialysismentioning

confidence: 99%

“…Ion transport in BMED is influenced by various factors, including ion properties such as symmetry, size, hydration number, 77 electrolyte concentration in the membrane's intermediate layer, 78 electric current passage, 79 and the heating and tangential flow of the solution. 79 Ion transport in BMED is affected by various factors, including the properties of the membrane and the electrolytes (Figure 7b−e). Factors like solution concentration and the physical properties of electrolytes, such as ion size, symmetry, and hydration number, play critical roles.…”

Section: Bipolar Membrane Electrodialysismentioning

confidence: 99%

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Advancements in Bipolar Membrane Electrodialysis Techniques for Carbon Capture

Khoiruddin,

Wenten,

Siagian

2024

Langmuir

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Bipolar membrane electrodialysis (BMED) is a promising technology for the capture of carbon dioxide (CO 2 ) from seawater, offering a sustainable solution to combat climate change. BMED efficiently extracts CO 2 while generating valuable byproducts like hydrogen and minerals, contributing to the carbon cycle. The technology relies on ion-exchange membranes and electric fields for efficient ion separation and concentration. Recent advancements focus on enhancing water dissociation in bipolar membranes (BPMs) to improve efficiency and durability. BMED has applications in desalination, electrodialysis, water splitting, acid/base production, and CO 2 capture and utilization. Despite the high efficiency, scalability, and environmental friendliness, challenges such as energy consumption and membrane costs exist. Recent innovations include novel BPM designs, catalyst integration, and exploring direct air/ocean capture. Research and development efforts are crucial to unlocking BMED's full potential in reducing carbon emissions and addressing environmental issues. This review provides a comprehensive overview of recent advancements in BMED, emphasizing its role in carbon capture and sustainable environmental solutions.

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Section: Bipolar Membrane Electrodialysismentioning

confidence: 99%

Section: Bipolar Membrane Electrodialysismentioning

confidence: 99%

Advancements in Bipolar Membrane Electrodialysis Techniques for Carbon Capture

Khoiruddin,

Wenten,

Siagian

2024

Langmuir

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“…This electrolyte will not only be recovered but can be reconcentrated. Recovery and reconcentration are possible because the ions cannot migrate over their compartment, the M cation being retained by the anion exchange membrane, and the X anion by the cation exchange membrane [ 201 , 202 ].…”

Section: Membrane and Membrane Processesmentioning

confidence: 99%

Thorium Removal, Recovery and Recycling: A Membrane Challenge for Urban Mining

Man,

Albu,

Nechifor

et al. 2023

Membranes

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Although only a slightly radioactive element, thorium is considered extremely toxic because its various species, which reach the environment, can constitute an important problem for the health of the population. The present paper aims to expand the possibilities of using membrane processes in the removal, recovery and recycling of thorium from industrial residues reaching municipal waste-processing platforms. The paper includes a short introduction on the interest shown in this element, a weak radioactive metal, followed by highlighting some common (domestic) uses. In a distinct but concise section, the bio-medical impact of thorium is presented. The classic technologies for obtaining thorium are concentrated in a single schema, and the speciation of thorium is presented with an emphasis on the formation of hydroxo-complexes and complexes with common organic reagents. The determination of thorium is highlighted on the basis of its radioactivity, but especially through methods that call for extraction followed by an established electrochemical, spectral or chromatographic method. Membrane processes are presented based on the electrochemical potential difference, including barro-membrane processes, electrodialysis, liquid membranes and hybrid processes. A separate sub-chapter is devoted to proposals and recommendations for the use of membranes in order to achieve some progress in urban mining for the valorization of thorium.

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