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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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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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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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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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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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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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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