Separation and Purification Technology, Год журнала: 2022, Номер 298, С. 121647 - 121647
Опубликована: Июль 2, 2022
Язык: Английский
Journal of Membrane Science, Год журнала: 2023, Номер 675, С. 121534 - 121534
Опубликована: Март 7, 2023
Язык: Английский
Процитировано
63
Membranes, Год журнала: 2023, Номер 13(6), С. 566 - 566
Опубликована: Май 30, 2023
The selective separation of metal species from various sources is highly desirable in applications such as hydrometallurgy, water treatment, and energy production but also challenging. Monovalent cation exchange membranes (CEMs) show a great potential to selectively separate one ion over others the same or different valences effluents electrodialysis. Selectivity among cations influenced by both inherent properties design operating conditions electrodialysis process. research progress recent advances membrane development implication systems on counter-ion selectivity are extensively reviewed this work, focusing structure–property relationships CEM materials influences process mass transport characteristics target ions. Key properties, charge density, uptake, polymer morphology, strategies for enhancing discussed. implications boundary layer at surface elucidated, where differences ions interfaces can be exploited manipulate ratio competing counter-ions. Based progress, possible future R&D directions proposed.
Язык: Английский
Процитировано
46
Environmental Science & Technology, Год журнала: 2024, Номер unknown
Опубликована: Фев. 7, 2024
Selective electrodialysis (ED) is a promising membrane-based process to separate Li+ from Mg2+, which the most critical step for Li extraction brine lakes. This study theoretically compares ED-based Li/Mg separation performance of different monovalent selective cation exchange membranes (CEMs) and nanofiltration (NF) at coupon scale using unified mass transport model, i.e., solution-friction model. We demonstrated that CEMs with dense surface thin film like polyamide are more effective in enhancing than those loose but highly charged film. Polyamide film-coated when used ED have similar polyamide-based NF NF. membranes, expected replace separation, will require support layer low tortuosity high porosity reduce internal concentration polarization. The coupon-scale analysis comparison provide new insights into design composite ion–ion separation.
Язык: Английский
Процитировано
31
Desalination, Год журнала: 2024, Номер 586, С. 117749 - 117749
Опубликована: Май 22, 2024
Язык: Английский
Процитировано
24
Frontiers of Environmental Science & Engineering, Год журнала: 2022, Номер 17(2)
Опубликована: Окт. 31, 2022
Abstract Ion-exchange membranes (IEMs) are utilized in numerous established, emergent, and emerging applications for water, energy, the environment. This article reviews five different types of IEM selectivity, namely charge, valence, specific ion, ion/solvent, ion/uncharged solute selectivities. Technological pathways to advance selectivities through sorption migration mechanisms transport critically analyzed. Because underlying principles governing transport, efforts enhance selectivity by tuning membrane structural chemical properties almost always accompanied a concomitant decline permeability desired ion. Suppressing undesired crossover solvent neutral species is crucial realize practical implementation several technologies, including bioelectrochemical systems, hypersaline electrodialysis desalination, fuel cells, redox flow batteries, but ion/solvent relatively understudied, compared ion/ion Deepening fundamental understanding phenomena, specifically factors underpinning structure-property-performance relationships, will be vital guide informed development more selective IEMs. Innovations material design offer opportunities utilize ion discrimination that radically from conventional IEMs potentially depart putative permeability-selectivity tradeoff. Advancements can contribute meeting aqueous separation needs environmental challenges.
Язык: Английский
Процитировано
61
Journal of Membrane Science, Год журнала: 2022, Номер 663, С. 121064 - 121064
Опубликована: Окт. 5, 2022
Язык: Английский
Процитировано
49
Separation and Purification Technology, Год журнала: 2023, Номер 334, С. 126011 - 126011
Опубликована: Дек. 12, 2023
Язык: Английский
Процитировано
43
ACS ES&T Water, Год журнала: 2023, Номер 3(7), С. 1720 - 1739
Опубликована: Март 4, 2023
Salt lake brines have become the main source of lithium owing to their abundant reserves and low extraction costs. The absolute concentration Li+ complexity accompanying ions in are crucial issues, thereby inspiring development a variety technologies. Among them, electrodialysis (ED) enables acceptable separation performance, reduced energy consumption, near-zero pollution toward salt with high Mg2+/Li+ mass ratio. Most recently, rapid advancement integrated ED technologies emerging strategies for membrane material fabrications conducive facilitating implementation this technology. newly proposed processes can achieve higher utilization enhance products. For materials, superior permselectivity between magnesium is still current pursuit. key metrics developing membranes involve tuning materials' hydrophilicity, pore size, charge. due rise lithium-specific recognition it believed that coupling them technology efficient precise will be future direction.
Язык: Английский
Процитировано
35
Separation and Purification Technology, Год журнала: 2023, Номер 330, С. 125428 - 125428
Опубликована: Окт. 19, 2023
Язык: Английский
Процитировано
27
Journal of Membrane Science, Год журнала: 2024, Номер 700, С. 122719 - 122719
Опубликована: Март 29, 2024
Язык: Английский
Процитировано
10