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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Separation mechanism, selectivity enhancement strategies and advanced materials for mono-/multivalent ion-selective nanofiltration membrane
2022
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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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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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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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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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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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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Advanced microporous membranes for H2/CH4 separation: Challenges and perspectives
2021
The utilization of hydrogen is regarded as the effective approach to arrive at the global carbon-neutrality target. Hydrogen/methane separation is a necessary unit for the hydrogen production in the...
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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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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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Facilitated transport membranes for CO2/CH4 separation - State of the art
2022
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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Smart membranes for oil/water emulsions separation: A review
2022
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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Pore engineering in covalent organic framework membrane for gas separation
2022
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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MOF or COF membranes for olefin/paraffin separation: Current status and future research directions
2022
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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Designing energy-efficient separation membranes: Knowledge from nature for a sustainable future
2022
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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Recent advances of thin film composite membranes for pervaporation applications: A comprehensive review
2021
Thin film composite (TFC) membrane, composed of an ultrathin selective layer and a microporous support layer, has exhibited its great potential for pervaporation applications, because of the high permeability,...
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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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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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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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A review on 2D porous organic polymers for membrane-based separations: Processing and engineering of transport channels
2021
The expansion of separation demands at molecular and ionic levels has triggered extensive research to explore new materials as promising practical membranes for separations. Owing to their dimension-related...
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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
2022
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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Hemocompatibility enhancement of polyethersulfone membranes: Strategies and challenges
2021
Polyethersulfone (PES) membranes have been widely used as attractive materials especially in the field of blood purification due to their great oxidative, thermal, and chemical stability, as well as...
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Future perspective on MOF glass composite thin films as selective and functional membranes for molecular separation
2022
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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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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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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