Robust methoxy-based covalent organic frameworks membranes enable efficient near-molecular-weight selectivity
2025
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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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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Porous organic cage separation membranes: Exploratory journey from preparation to application
2025
Porous organic cages (POCs) represent a novel class of low-density crystalline materials that exhibit distinctive pores comparable to those observed in three-dimensional extended network materials,...
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Endowing the nanostructured ion channels of anion conductive membranes with negative charge to boost the Cl−/SO42− ion separation via electrodialysis
2025
Construction of homogeneous polymer ion-exchange membranes (IEMs) with suitable ion transport channels and stable structures is crucial to the separation of mono-/multi-valent anions. Amphoteric ion-exchange...
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Hybrid energy harvesting enabled by a covalent organic framework membrane
2025
The integration of water and thermal energy harvesting presents a promising solution to the intermittency issues associated with individual energy sources. In this study, we show a covalent organic...
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Membranes with hollow bowl-shaped window for CO2 removal from natural gas
2025
Mixed matrix membranes (MMMs) are crucial for CO2 separation and offer a potential solution to overcome conventional gas separation. Nevertheless, MMMs face challenges due to interfacial defects in...
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Incorporating polyvinylpyrrolidone modified HOF-101 into Pebax membranes for efficient toluene/N2 separation
2025
Hybrid membranes hold great promise in the recovery of volatile organic compounds (VOCs). Hydrogen-bonded organic framework (HOF), a class of hydrogen-bonded crystalline porous materials with high affinity...
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EVOH functionalized PE battery separator as the porous substrate for TFC organic solvent nanofiltration membranes
2025
Scholarly discourse surrounding the thin film composite organic solvent nanofiltration (TFC OSN) membrane field has largely been dominated by focusing on the optimization of the selective layer. However,...
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Robust positively charged polyurea nanofiltration membranes with acid resistance for efficient lithium extraction and recovery
2025
Given the growing demand for lithium in energy storage and electric vehicle industries, the development of acid-resistant membranes for efficient lithium extraction from brine and recycling of spent...
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Preparation of high-performance pervaporation membranes for ethanol dehydration using a layer-by-layer self-assembly method
2025
To achieve fuel-grade purity (≥99.5 wt%), raw bioethanol needs to be purified. Adopting pervaporation membrane for bioethanol enrichment can greatly reduce the energy consumption compared with distillation....
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Sandwich-Like Composite Membrane for Advanced Radiative Cooling Applications
Available online 8 February 2025
Passive daytime radiative cooling (PDRC) offers an energy-efficient method of cooling by reflecting sunlight and emitting heat to the cold outer space through the atmospheric transparent window (ATW)....
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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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