Bio-inspired polydopamine nanofiltration membranes modulated by spiro-piperazine
2023
Polydopamine (PDA) depositions, inspired by mussel foot adhesive proteins, represent a versatile method for preparing separation membranes. However, PDA-based nanofiltration membranes are limited by...
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Explainable machine learning for unraveling solvent effects in polyimide organic solvent nanofiltration membranes
2023
Understanding the effects of solvents on organic solvent nanofiltration currently depends on results obtained from small datasets, which slows down the industrial implementation of this technology....
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Electro-desalination: State-of-the-art and prospective
2023
Desalination as a vital technology for removing salts from saline water, is widely employed in municipal water supply, wastewater treatment, saltwater desalination, and chemical purification. The membrane-based...
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TFC membrane with in-situ crosslinked ultrathin chitosan layer for efficient water/ethanol separation enabled by multiple supramolecular interactions
2023
Chitosan (CS) membranes have been widely applied in water/ethanol separation via membrane-based pervaporation, but a bottleneck in the practical application always exists due to their severe swelling...
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Polymer membranes for organic solvent nanofiltration: Recent progress, challenges and perspectives
2023
The development of polymer materials and polymer membrane fabrication techniques in recent years greatly elevates the importance and feasibility of organic solvent nanofiltration (OSN) technology, while...
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Engineering silica membranes for separation performance, hydrothermal stability, and production scalability
2023
Silica membranes have been successfully practiced for solvent dehydration and emerged as an exciting platform for gas separations (such as H2/CO2) due to their unique porous structures for molecular...
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Positively charged nanofiltration membranes for efficient Mg2+/Li+ separation from high Mg2+/Li+ ratio brine
2023
Nanofiltration has gained increasing attention in lithium extraction from salt lake brine with high Mg2+/Li+ ratio. However, conventional nanofiltration membranes with negatively charged surfaces suffer...
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Ion-conducting ceramic membranes for renewable energy technologies
2023
Dense ceramic membranes with H+ or O2− conductivity have been widely used for fuel production through electro-hydrogenation/dehydrogenation or electro-oxygenation/deoxygenation. Electrochemical conversion...
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Fabrication of anti-leakage Hyflon AD/Poly(4-methyl-1-pentene) hollow fiber composite membrane for an extra-corporeal membrane oxygenation (ECMO) system
2023
Extra-corporeal membrane oxygenation (ECMO) systems can perform the roles of the human heart and lungs to realize extra-corporeal oxygenation of blood. This system mainly depends on the gas-blood exchange...
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Machine learning toward improving the performance of membrane-based wastewater treatment: A review
2023
Machine learning (ML) is a data-driven approach that can be applied to design, analyze, predict, and optimize a process based on existing data. Recently, ML has found its application in improving membrane...
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Pervaporation-assisted crystallization of active pharmaceutical ingredients (APIs)
2023
Crystallization of active pharmaceutical ingredients is essential in pharmaceutical production. Pervaporation, a thermally-driven membrane process, has not been explored in API crystallization. Here...
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Catalytic membrane reactors for carbon peaking and carbon neutrality
2023
Catalytic membrane reactors have the advantages of allowing the selective removal of products, avoiding the separation procedure of powder catalysts from the reaction mixture, intensifying the diffusion...
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Hybrid CO2 capture processes consisting of membranes: A technical and techno-economic review
2023
Because of the greenhouse effect, there is a pressing need to restrict and reduce CO2 emissions. Post-combustion capture technology is a type of widely used technologies for CO2 capture. Compared to...
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3D printing for precision construction of ceramic membranes: Current status, challenges, and prospects
2023
3D printing of ceramic materials has gained tremendous attention in recent years due to its high efficiency and competitive prices in the fabrication of advanced ceramics with complex geometric structures....
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Designing high-performance pervaporation membranes with hierarchical hydrophobic-hydrophilic coating layers
2023
In this study, a multi-layer pervaporation composite membrane was prepared by spray-coating a hydrophilic layer consisting of poly(allylamine hydrochloride) (PAH)/polyvinyl alcohol (PVA)/trimesic acid...
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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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Recent advances and future challenges of polyamide-based chlorine-resistant membrane
2023
Polyamide (PA) membrane is extensively used in various membrane separation processes due to its easy preparation, high selectivity and good acid-base stability. However, the PA material is vulnerable...
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Facile self-repair of ultrathin palladium membranes
2023
Pd membranes can play an important role in H2 separation and purification for the development of sustainable and renewable energies. By supporting on porous substrates, Pd layer thickness can be reduced...
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Development and emerging application of membrane degassing technology
Available online 3 December 2023
With the development of membrane separation technology, some traditional separation and purification methods have been replaced by membrane technology. Compared to traditional method, the membrane method...
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Emerging nanomaterial incorporated membranes for gas separation and pervaporation towards energetic-efficient applications
2022
Gas separation (GS) and pervaporation (PV) mainly based on solution-diffusion mechanism, are two important processes for the challenging transport and separation of gaseous and vapor molecules. Various...
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Air nanobubbles (ANBs) incorporated sandwich-structured carbon nanotube membranes (CNM) for highly permeable and stable forward osmosis
2022
The selective transport of water/ions through conventional forward osmosis (FO) membranes is largely impeded by solution-diffusion and internal concentration polarization (ICP). Herein, we report a...
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Membrane materials targeting carbon capture and utilization
2022
Over the past decades, fossil fuel combustion has emitted large quantities of CO2 into the atmosphere, resulting in global climate change. Nowadays, it's considered a feasible strategy to capture CO2...
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Advanced organic molecular sieve membranes for carbon capture: Current status, challenges and prospects
2022
Carbon capture is crucial to reducing anthropogenic carbon emissions and thus mitigating global warming. Owing to the energy-efficient and environmental-benign features, membrane technology holds great...
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Porous composite membrane based on organic substrate for molecular sieving: Current status, opportunities and challenges
2022
Membrane materials with excellent selectivity and high permeability are the key for high-efficiency membrane separation. New-type porous materials have developed as ideal building blocks for molecular...
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Recent development and prospect of membranes for alkaline zinc-iron flow battery
2022
Alkaline zinc-iron flow battery (AZIFB) is promising for stationary energy storage to achieve the extensive application of renewable energies due to its features of high safety, high power density and...
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