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ISSN: 2772-8234

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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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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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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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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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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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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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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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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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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Superacid catalyzed triptycene-based polymer to enhance membrane permeability for molecular sieving of nitrogen over VOC

Superacid catalysis, a suitable method for the synthesis of membrane materials owing to its facile polymerization procedure, has been extensively studied. However, superacid-catalyzed binary coplanar...

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A novel high temperature resistance thin film composite polyamide reverse osmosis membrane with covalent organic frameworks intermediate layer

Both salt rejection and pressure-bearing properties of the conventional thin film composite (TFC) polyamide reverse osmosis (RO) membrane are easily weakened at high temperature. In order to improve...

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Novel PA/PVDF hollow fiber nanofiltration membrane with high permeability and Ca2+/antibiotics selectivity for drinking water purification

Emerging contaminants, including antibiotics, threaten water safety and public health. To remove these contaminants while retaining beneficial minerals in water, such as calcium (Ca), a novel thin-film...

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Universal solution to the membrane selectivity challenge: Separation merit and efficiency

Membrane technology holds immense potential across multiple industries, offering sustainable solutions for challenging separations by reducing energy demand and transitioning from thermal to electrical...

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Gas transport mechanisms through MOF glass membranes

The study provides an in-depth study on the gas adsorption and transport behaviors of MOF glass membranes for the first time. Temperature dependance of gas permeability, adsorption coefficients and...

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Leveraging calcium-NOM complexation phenomenon as RO fouling mitigation strategy during treatment of lake water

Organic fouling during reverse osmosis (RO) is exacerbated by the presence of calcium up to a limit where extremely high calcium concentration results in lesser fouling due to formation of large organic-calcium...

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Design of high-performance electro-driven nanofiltration membrane via facile co-deposition of pyrogallol and polyethyleneimine for sustainable resource recovery from landfill leachate concentrate

Conventional treatment methods of landfill leachate concentrate mainly focus on the degradation or removal of humic substance, which are prone to secondary pollution and fail to meet the requirements...

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Rapid preparation of extremely highly permeable covalent organic polymers nanofiltration membranes for alcohol recovery via interfacial polymerization

Covalent organic polymers (COPs) membranes have been widely investigated in recent years for the application and preparation of composite nanofiltration (NF) membranes due to the abundant pore structure....

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Three-dimensional covalent organic frameworks for advanced membrane separations

Three-dimensional covalent organic frameworks (3D COFs) have emerged as a promising class of crystalline materials due to large surface areas, interconnected porosity, and accessible active sites. Their...

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One-dimensional Fe/C Constructed Janus Membrane Enables Highly-Efficient and Stable Solar-Driven Interfacial Evaporation

The practical use of solar-driven interfacial evaporation is hampered by high cost, low photothermal conversion efficiency, and poor stability. Herein, a one-dimensional Fe/C constructed photothermal...

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Tethering hydrophilic macromolecules onto inorganic nanoparticles via RAFT toward biocompatible polyethersulfone membrane

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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Comparing the environmental impacts of using bio-renewable and fossil-derived solvent in polymer membrane fabrications

Sustainable production methods for polymer membrane fabrication are gaining attention due to concerns about the toxicity of conventional fossil-derived solvents in the production process. In addition,...

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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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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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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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