Preparation of COF-based membranes via chiral induction for efficient enantioselective resolution
2025
Efficient chiral resolution is highly important in the food, pharmaceutical and agriculture industries because of the distinctive biological or pharmaceutical properties of enantiomers. Membrane-assisted...
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Polymers of intrinsic microporosity with internal dihedral lock for efficient gas separation
2024
Polymers of intrinsic microporosity (PIMs) stand out as promising membrane materials with exceptional separation performance. In this study, we crafted a highly efficient gas separation membrane using...
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Metal-organic frameworks-based mixed matrix pervaporation membranes for recovery of organics
2024
Metal-organic framework (MOF)-based mixed matrix membranes (MMMs) have attracted significant attentions for their distinguished characteristics in pervaporation such as enhanced selectivity, increased...
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Industrial-scale 61-channel monolithic silicalite-1 membranes for butane isomer separation
2024
Developing energy-saving membrane and technology is important for the separation of hydrocarbon isomers to replace the energy-intensive distillation. Silicalite-1 membrane is a promising membrane material...
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Microporous and functional group Co-designed polyesteramide membranes for efficient and broad-spectrum organic solvent nanofiltration
2024
Organic solvent nanofiltration (OSN) is an emerging energy-efficient separations technology, which urgently requires easily processable OSN membranes with high selectivity and broad-spectrum organic...
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Progress in design of halloysite nanotubes-polymer nanocomposite membranes and their applications
2024
Driven by the diverse functionalization of halloysite nanotubes (HNTs) and advanced membrane preparation technologies, a tremendous progress in HNTs-polymer nanocomposite membranes has been made during...
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Spray-assisted assembly of thin-film composite membranes in one process
2024
Spray coating has been exploited to fabricate and tailor the morphologies of various components in thin film composite membranes separately. For the first time, here we exploit this technology to construct...
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One-step rejuvenation for prolonging running lifespan of nanofiltration membranes
2024
Commercial nanofiltration (NF) membranes based on polyamides may experience a decline in permeation performance after prolonged operation. The short lifespan of NF membranes will lead to waste and additional...
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In-situ interfacial polymerization of zwitterionic nanofiltration membranes with anti-scaling performance
2024
Mineral scaling caused by multivalent metal ions can significantly hinder the long-term operation of nanofiltration membranes. In this study, in-situ interfacial polymerization including a posttreatment...
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Recent advances of thin film composite nanofiltration membranes for Mg2+/Li+ separation
2024
The prevalent adoption of lithium-ion batteries (LIBs) has sparked a surge in interest regarding lithium extraction, particularly from lithium-rich brines. As some brine sources contain a higher ratio...
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Fouling during hemodialysis – Influence of module design and membrane surface chemistry
2024
Hemodialysis acts as an artificial kidney that selectively removes specific toxins, bio-compounds, or fluid from the main blood stream in a patient with kidney failure. The current process uses ultrafiltration-based...
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Superacid catalyzed triptycene-based polymer to enhance membrane permeability for molecular sieving of nitrogen over VOC
2024
Superacid catalysis, a suitable method for the synthesis of membrane materials owing to its facile polymerization procedure, has been extensively studied. However, superacid-catalyzed binary coplanar...
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A novel high temperature resistance thin film composite polyamide reverse osmosis membrane with covalent organic frameworks intermediate layer
2024
Both salt rejection and pressure-bearing properties of the conventional thin film composite (TFC) polyamide reverse osmosis (RO) membrane are easily weakened at high temperature. In order to improve...
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Novel PA/PVDF hollow fiber nanofiltration membrane with high permeability and Ca2+/antibiotics selectivity for drinking water purification
2024
Emerging contaminants, including antibiotics, threaten water safety and public health. To remove these contaminants while retaining beneficial minerals in water, such as calcium (Ca), a novel thin-film...
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Universal solution to the membrane selectivity challenge: Separation merit and efficiency
2024
Membrane technology holds immense potential across multiple industries, offering sustainable solutions for challenging separations by reducing energy demand and transitioning from thermal to electrical...
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Gas transport mechanisms through MOF glass membranes
2024
The study provides an in-depth study on the gas adsorption and transport behaviors of MOF glass membranes for the first time. Temperature dependance of gas permeability, adsorption coefficients and...
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Leveraging calcium-NOM complexation phenomenon as RO fouling mitigation strategy during treatment of lake water
2024
Organic fouling during reverse osmosis (RO) is exacerbated by the presence of calcium up to a limit where extremely high calcium concentration results in lesser fouling due to formation of large organic-calcium...
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One-dimensional Fe/C constructed Janus membrane enables highly-efficient and stable solar-driven interfacial evaporation
2024
The practical use of solar-driven interfacial evaporation is hampered by high cost, low photothermal conversion efficiency, and poor stability. Herein, a one-dimensional Fe/C constructed photothermal...
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Design of high-performance electro-driven nanofiltration membrane via facile co-deposition of pyrogallol and polyethyleneimine for sustainable resource recovery from landfill leachate concentrate
2024
Conventional treatment methods of landfill leachate concentrate mainly focus on the degradation or removal of humic substance, which are prone to secondary pollution and fail to meet the requirements...
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Rapid preparation of extremely highly permeable covalent organic polymers nanofiltration membranes for alcohol recovery via interfacial polymerization
2024
Covalent organic polymers (COPs) membranes have been widely investigated in recent years for the application and preparation of composite nanofiltration (NF) membranes due to the abundant pore structure....
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Three-dimensional covalent organic frameworks for advanced membrane separations
2024
Three-dimensional covalent organic frameworks (3D COFs) have emerged as a promising class of crystalline materials due to large surface areas, interconnected porosity, and accessible active sites. Their...
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Molecular soldered COF membrane with crystalline-amorphous heterointerface for fast organic solvent nanofiltration
2024
Covalent organic frameworks (COFs) featuring high porosity and well-defined pore structures are attractive candidates for organic solvent nanofiltration (OSN). However, preparing defect-free COF membrane...
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Hydroxide exchange membranes towards water electrolysis and fuel cells: A review on the recent advances, challenges and opportunities
2024
Hydroxide exchange membranes (HEMs) featuring high-performance and low-cost have attracted numerous attention due to their potential in water electrolysis and fuel cell applications. The main challenges...
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Robust methoxy-based covalent organic frameworks membranes enable efficient near-molecular-weight selectivity
Available online 3 December 2024
Uniform pore size is essential for molecular sieving in separation membranes. Traditional nanofiltration (NF) polymer membranes struggle with precise structure control due to random chain packing and...
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Tethering hydrophilic macromolecules onto inorganic nanoparticles via RAFT toward biocompatible polyethersulfone membrane
2023
Polyethersulfone (PES) polymers are useful for a variety of membranes' bio-related applications. However, due to its failure to satisfy certain performance and biocompatibility standards, PES requires...
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