Probing the construction mechanism of polyamide membranes regulated by interfacial polymerization from the novel micro- and macro- perspectives: A review

Desalination, Journal Year: 2024, Volume and Issue: 578, P. 117422 - 117422

Published: Feb. 12, 2024

Language: Английский

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Ultra-permeable silk-based polymeric membranes for vacuum-driven nanofiltration

Nature Communications, Journal Year: 2024, Volume and Issue: 15(1)

Published: Oct. 5, 2024

Language: Английский

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Atomic layer deposition of nanofilms on porous polymer substrates: Strategies for success

Journal of Vacuum Science & Technology A Vacuum Surfaces and Films, Journal Year: 2025, Volume and Issue: 43(2)

Published: Jan. 22, 2025

Atomic layer deposition (ALD) is a versatile technique for engineering the surfaces of porous polymers, imbuing flexible, high-surface-area substrates with inorganic and hybrid material properties. Previously reported enhancements include fouling resistance, electrical conductance, thermal stability, photocatalytic activity, hydrophilicity, oleophilicity. However, there are many poorly understood phenomena that introduce challenges in applying ALD to polymers. In this paper, we address five common ways overcome them: (1) entrapped precursor, (2) embrittlement, (3) film fracture, (4) deformation, (5) pore collapse. These often interrelated can exacerbate one another. To investigate these phenomena, applied various chemistries polymers including polyethersulfone, polysulfone, polyvinylidene fluoride, polycarbonate track-etched membranes. Reaction-diffusion modeling revealed why certain precursors processing conditions result embrittling subsurface growth, entrapment unreacted precursors, nongrowth. We quantify limits temperatures dictated by expansion mismatch lead fractured films. The results herein allow us make recommendations avoid, mitigate, or difficulties encountered when performing plasma-enhanced on intend article serve as “lessons learned” guide informed previous experience provide better understanding limitations knowledge-based guidelines successful depositions. This knowledge accelerate future research help experimentalists navigate troubleshoot they expose reactive precursor vapors.

Language: Английский

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Tailoring the crumpled structures of a polyamide membrane with a heterostructural MXene-TiO2 interlayer for high water permeability

Desalination, Journal Year: 2023, Volume and Issue: 549, P. 116352 - 116352

Published: Jan. 5, 2023

Language: Английский

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Organic solvent separation using carbon nanotube-interlayered thin film composite membrane

Chemical Engineering Journal, Journal Year: 2023, Volume and Issue: 473, P. 145197 - 145197

Published: Aug. 5, 2023

Language: Английский

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Facile morphological tuning of thin film composite membranes for enhanced desalination performance

npj Clean Water, Journal Year: 2023, Volume and Issue: 6(1)

Published: July 31, 2023

Abstract Polyamide (PA) membranes with a thin selective layer have been widely investigated for desalination and water treatment. Several modifications proposed over the years to tailor morphology of such film composite (TFC) by altering support and/or layers achieve superior performance. In this study, facile approach towards fabricating highly wrinkled has demonstrated through bio-inspired modification Y-type zeolites. Results showed that incorporating zeolites in smaller dimension (200 nm) produced unique ball milling technique is favorable defect-free comparison larger commercial PA formed interfacial polymerization (IP) Piperazine (PIP) 1,3,5-Benzenetricarbonyl trichloride (TMC) revealed due presence TFC interlayer. At optimum fabrication conditions, membrane exhibited fast transport 22.5 ± 2.2 Lm -2 h -1 bar salt rejection 48.6, 91.3, 99.1, 99.5% NaCl, MgCl 2 , MgSO 4 Na SO respectively. Besides preparation dimensions, novelty study lies pretreatment before IP enhanced nanofiltration

Language: Английский

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Design of a novel TA-MoS2 nanosheets interlayer-based loose nanofiltration membrane for enhanced dye/salt separation

Desalination, Journal Year: 2023, Volume and Issue: 568, P. 117004 - 117004

Published: Sept. 21, 2023

Language: Английский

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Nanofiltration Membranes for Efficient Lithium Extraction from Salt-Lake Brine: A Critical Review

ACS Environmental Au, Journal Year: 2024, Volume and Issue: 5(1), P. 12 - 34

Published: Nov. 20, 2024

The global transition to clean energy technologies has escalated the demand for lithium (Li), a critical component in rechargeable Li-ion batteries, highlighting urgent need efficient and sustainable Li+ extraction methods. Nanofiltration (NF)-based separations have emerged as promising solution, offering selective separation capabilities that could advance resource recovery. However, an NF-based process differs significantly from conventional water treatment, necessitating paradigm shift membrane materials design, performance evaluation metrics, optimization. In this review, we first explore state-of-the-art strategies NF modifications. Machine learning was employed identify key parameters influencing efficiency, enabling rational design of high-performance membranes. We then delve into evolution transitioning traditional permeance-selectivity trade-off more relevant focus on purity recovery balance. A system-scale analysis considering specific consumption, flux distribution uniformity, is presented. review also examines integration synergistic combinations with emerging technologies, such capacitive deionization. Techno-economic lifecycle assessments are discussed provide insights economic viability environmental sustainability extraction. Finally, highlight future research directions bridge gap between fundamental practical applications, aiming accelerate development cost-effective

Language: Английский

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Water recovery from the high salinity brine: Effect of the interlayer structure in the polyamide nanofiltration membrane

Journal of environmental chemical engineering, Journal Year: 2024, Volume and Issue: 12(2), P. 111963 - 111963

Published: Jan. 17, 2024

Water recovery by nanofiltration (NF) from the high salinity brine is emerging as a promising technology to alleviate water shortage. Thin film composite membranes with polyamide (PA) selective layer are mainstream in field of NF. Nevertheless, trade-off between permeance and retention well structural stability PA membrane still restrict their widespread application. Herein, novel interlayered thin-film nanocomposite (TFNi) was fabricated based on interfacial polymerization. The PDA@MXene hybrid employed interlayer modulate adsorption diffusion process amine monomers, giving rise formation thin rough layer, which could accelerate transport molecules. Moreover, PM-TFNi demonstrated higher crosslinking degree more negatively charged surface, significantly benefiting repulsion inorganic salt ions. In this context, rendered competitive permselectivity flux 18.3 L m-2 h-1 bar-1 Na2SO4 rejection 98.0%. addition, exhibited distinguished long-term pH resistance. Overall, work would provide paradigm shift designing high-performance robust NF for treatment.

Language: Английский

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Construction of skyloft-like polyamide membrane on tubular ceramic support for high-flux nanofiltration

Separation and Purification Technology, Journal Year: 2024, Volume and Issue: 343, P. 127075 - 127075

Published: March 11, 2024

Language: Английский

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