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ISSN: 2772-8234

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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Emerging nanomaterial incorporated membranes for gas separation and pervaporation towards energetic-efficient applications

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

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

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

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

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

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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Designing energy-efficient separation membranes: Knowledge from nature for a sustainable future

Membrane separation has provided efficient solutions for addressing energy and environmental challenges over the past few decades due to its low energy consumption, convenient operation, and reduced...

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A criterion of diluent selection for the polymeric membrane formation via thermally induced phase separation process based on Hansen solubility parameter theory

The Hansen solubility parameter (HSP) theory, which includes the Hansen dispersion (D), polar (P), and hydrogen (H) components and a derivative ‘solubility parameter distance, Ra’ parameter, was adopted...

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Separation mechanism, selectivity enhancement strategies and advanced materials for mono-/multivalent ion-selective nanofiltration membrane

Mono-/multivalent ion-selective separation has become a common requirement at the water-energy nexus, including energy storage and conversion, water purification, and sustainable industrial processes....

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Bio-inspired molecular bridge anchoring GO laminates onto PAN substrate for molecular separation

Graphene oxide (GO) films are highlighted to have great potential in water purification. The highly chemical and thermally stable polyacrylonitrile (PAN) competently constructs a superior substrate...

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MOF or COF membranes for olefin/paraffin separation: Current status and future research directions

In response to global efforts to combat climate change, many research efforts have contributed to upgrading cryogenic distillation, an energy-intensive petrochemical operation, especially for olefin/paraffin...

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Preparation of anti-fouling zwitterionic nanofiltration membrane with tunable surface charge

Anti-fouling property is of vital significance and remains a challenge in the membrane separation field. In this work, N-diethylethylenediamine (DEEDA) was incorporated into the polyamide matrix first....

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Pore engineering in covalent organic framework membrane for gas separation

Covalent Organic Frameworks (COFs) have attracted significant interest as promising separation membrane materials for their well-organized porous system and highly ordered crystalline structure. However,...

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Smart membranes for oil/water emulsions separation: A review

Oily wastewater poses a significant impact on both environments and human societies. Especially, the treatment of oil/water emulsions for separating oil from water is challenging due to the high stability...

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Future perspective on MOF glass composite thin films as selective and functional membranes for molecular separation

Metal Organic Frameworks (MOFs) have been recently found to exist in a more processible liquid and glassy phase. These glassy MOFs have been shown to exhibit functional properties either in their native...

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Facilitated transport membranes for CO2/CH4 separation - State of the art

Membrane separation is a promising alternative for gas purification. Facilitated transport (FT) membranes, with reversible reactions to promote CO2 transport, can simultaneously obtain high CO2 permeability...

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Ultrathin 12-nm-thick solvent-resistant composite membranes from biosourced dialdehyde starch and priamine building blocks

Biomass-based thin film composites (TFCs) fabricated only from abundant natural resources are emerging as next-generation organic solvent nanofiltration membranes. However, most of the existing membrane...

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Synthesis and application of a novel monomer 5-(1-Pyrrolidinyl)-1,3-benzenedicarbonyl dichloride in membranes

Developing novel monomers used for aromatic polyamide membranes is one of the promising modifications to tailor the membranes more efficient. Acyl chloride-based compound as the organic phase reactive...

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Tunable ion transport through ultimately small channels

Biological membranes allow not only fast and selective ion permeation but also tunable ion transport, passively or actively on demands, in response to external stimuli such as light, voltage, temperature,...

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