Carbon, Год журнала: 2023, Номер 216, С. 118582 - 118582
Опубликована: Окт. 30, 2023
Язык: Английский
Environmental Science & Technology, Год журнала: 2022, Номер 56(18), С. 12811 - 12827
Опубликована: Сен. 1, 2022
Nanofiltration (NF) membranes have been widely applied in many important environmental applications, including water softening, surface/groundwater purification, wastewater treatment, and reuse. In recent years, a new class of piperazine (PIP)-based NF featuring crumpled polyamide layer has received considerable attention because their great potential for achieving dramatic improvements membrane separation performance. Since the report novel Turing structures that exhibited an order magnitude enhancement permeance ( Science 2018, 360 (6388), 518−521), number published research papers on this emerging topic grown exponentially to approximately 200. critical review, we provide systematic framework classify morphologies. The fundamental mechanisms fabrication methods involved formation these morphologies are summarized. We then discuss transport solutes how phenomena could simultaneously improve permeance, selectivity, antifouling applications highlighted, future opportunities/needs identified. insights review guidance further development high-performance tailored wide range applications.
Язык: Английский
Процитировано
215
Progress in Polymer Science, Год журнала: 2024, Номер 152, С. 101815 - 101815
Опубликована: Апрель 2, 2024
Язык: Английский
Процитировано
30
Advanced Functional Materials, Год журнала: 2025, Номер unknown
Опубликована: Янв. 22, 2025
Abstract Separating solvent mixtures without phase change using polyamide membranes reduces energy consumption and enhances environmental sustainability. However, overemphasizing precise pore control while neglecting membrane–solvent interactions hinder membrane development separation efficiency. Here, it is demonstrated that rapid of solvents differing polarity can be achieved a featuring relatively large pores with polar surface formed via interfacial polymerization between polyethyleneimine (PEI) trimesoyl chloride (TMC). The abundant amine groups flexible chains PEI facilitate the formation network enables fast selective transport mixed varying polarity. exhibit several‐fold‐higher permeance maintaining comparable permselectivity compared to conventional fabricated from reaction m ‐phenylenediamine TMC. This work leverages achieve mixture differentiation may guide high‐performance polymer for efficient separation.
Язык: Английский
Процитировано
2
Separation and Purification Technology, Год журнала: 2023, Номер 311, С. 123200 - 123200
Опубликована: Янв. 20, 2023
Язык: Английский
Процитировано
41
Environmental Science & Technology, Год журнала: 2023, Номер 57(4), С. 1819 - 1827
Опубликована: Янв. 18, 2023
Surfactant-assisted interfacial polymerization (IP) has shown strong potential to improve the separation performance of thin film composite polyamide membranes. A common belief is that enhanced attributed accelerated amine diffusion induced by surfactant, which can promote IP reaction. However, we show membrane for Tween 80 (a surfactant), even though it decreased diffusion. Indeed, closely related its roughness features with numerous nanovoids. Inspired nanofoaming theory relates nanobubbles degassed during reaction, hypothesize surfactant stabilize generated tailor formation Accordingly, obtained enlarged nanovoids when was added below critical micelle concentration (CMC). In addition, both permeance and selectivity were enhanced, thanks reduced defects in layer. Increasing above CMC resulted shrunken deteriorated performance, be ascribed stabilization effect caused formation. Interestingly, better antifouling also observed surfactant-assisted Our current study provides mechanistic insights into role may have important implications more efficient membrane-based desalination water reuse.
Язык: Английский
Процитировано
39
Environmental Science & Technology, Год журнала: 2023, Номер 57(6), С. 2548 - 2556
Опубликована: Янв. 31, 2023
Surface roughness has crucial influence on the fouling propensity of thin film composite (TFC) polyamide reverse osmosis (RO) membranes. A common wisdom is that rougher membranes tend to experience more severe fouling. In this study, we compared behaviors a smooth membrane (RO-s) and nanovoid-containing rough (RO-r). Contrary traditional belief, observed for RO-s, which can be ascribed its uneven flux distribution caused by "funnel effect". Additional tracer filtration tests using gold nanoparticles revealed patchlike particle deposition pattern, confirming adverse impact effect" water transport. contrast, experimentally lower explained by: (1) weakened thanks presence nanovoids, regulate transport pathway through (2) decreased average localized over surface due increased effective area nanovoid-induced features. The current study provides fundamental insights into critical role in fouling, may have important implications future development high-performance antifouling
Язык: Английский
Процитировано
38
Journal of Membrane Science, Год журнала: 2023, Номер 679, С. 121711 - 121711
Опубликована: Май 2, 2023
Язык: Английский
Процитировано
36
Water Research, Год журнала: 2023, Номер 242, С. 120255 - 120255
Опубликована: Июнь 20, 2023
Язык: Английский
Процитировано
33
Journal of Membrane Science, Год журнала: 2023, Номер 675, С. 121555 - 121555
Опубликована: Март 7, 2023
Язык: Английский
Процитировано
32
Journal of Membrane Science, Год журнала: 2024, Номер 694, С. 122426 - 122426
Опубликована: Янв. 8, 2024
Язык: Английский
Процитировано
17