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ISSN: 2772-8234

Spray-assisted assembly of thin-film composite membranes in one process

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

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

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

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

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

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

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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Fouling during hemodialysis – influence of module design and membrane surface chemistry

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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Microporous and Functional Group Co-designed Polyesteramide Membranes for Efficient and Broad-spectrum Organic Solvent Nanofiltration

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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Polymers of Intrinsic Microporosity with Internal Dihedral Lock for Efficient Gas Separation

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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Bio-inspired polydopamine nanofiltration membranes modulated by spiro-piperazine

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

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

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

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

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

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

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

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

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

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)

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

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

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

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

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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