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ISSN: 2772-8234

Zwitterionic vinylene-linked covalent organic frameworks mixed matrix membranes for high-efficient bioethanol dehydration

Fuel-grade bioethanol demonstrates significant advantages as an environmentally friendly and renewable energy source. However, its further deployment is constrained by energy efficiency dehydration...

Life cycle assessment of membrane-based seawater desalination combined with brine resource recovery

With the growing implementation of seawater desalination, the issue of brine disposal and potential utilization emerges as a paramount concern requiring scientific and engineering solutions. Considering...

Tailored hydrogen-bond engineering blend ion-solvating membranes enable efficient alkaline water electrolysis

Poly(oxindole biphenylene) ion-solvating membranes (POBP ISMs) exhibit exceptional chemical stability, yet their limited hydrophilicity and sparse oxindole groups result in restricted electrolyte uptake...

CO2 capture behavior switch triggered by MIL-140A membrane microstructure manipulation

High-valence metal-organic frameworks (HV MOFs) membranes for diverse separations exhibit exceptional potential in advancing carbon neutrality goals, owing to their outstanding structural stability....

Electrostatically stabilized one-dimensional intercalation enables ultrapermeable and antifouling MXene membranes for dye wastewater purification

Two-dimensional MXene membranes are promising for dye wastewater purification. Herein, we propose an electrostatically stabilized one-dimensional intercalation strategy to construct ultrapermeable and...

Novel dense Janus membrane with engineered gradient architectures for molecular separation in membrane contactor

Membrane contactor based on porous hydrophobic membrane is a promising approach for precise sieving between (semi-)volatile organic compounds (e.g., phenol, C6H5OH) and salt ions (e.g., Na+, Cl−, Ca2+,...

Confined conversion of hydrogen-bonded organic framework into carbon molecular sieve-interlocked-substrate membrane for efficient CO2/CH4 separation

Carbon molecular sieve (CMS) membranes, derived from the crystalline porous and solution-processed hydrogen-bonded organic frameworks (HOFs), possess narrow pore size distributions for efficient gas...

Solvent desalination nanofiltration (SDNF) membranes with rigid microporous network

Solvent-resistant nanofiltration (SRNF) for desalination from organic solvent/water systems is crucial in electronics manufacturing. However, the development of high-performance membranes is persistently...

Recent progress in microporous membrane reactors for catalytic conversion CO2 into value-added chemicals

Catalytic conversion of CO2 into high value-added chemicals offers an attractive route to address a range of climate issues caused by excessive CO2 emission. However, the chemical inertness of CO2 generally...

Molecular fractionation with poly(ether ether ketone) hollow fibers

Sustainable and efficient separation technologies are essential for minimizing the environmental impact of the chemical and pharmaceutical industries. Membranes with stability in solvents and precise...

Influence of filler microstructure on propylene/propane separation in calixarene-based mixed matrix membranes

The pure organic nature and solubility of calixarenes in organic solvents position them as prospective fillers for mixed matrix membranes (MMMs). This investigation incorporated two calixarene materials,...

Mono-/monovalent ions separation through an electro-nanofiltration

The separation of mono-/monovalent ions posed a long-standing challenge due to nearly identical physicochemical properties. To address the challenge, an electro-nanofiltration (ENF) strategy was proposed...

Construction of dual-heterogeneous membrane surface via nanosphere-mediated surface segregation for oil-water separation

The rational design of chemical-physical/geometric structures of membrane surface is the key for fabricating antifouling oil-water separation membranes. Herein, we propose a nanosphere-mediated surface...

Laponite nanosheets modified polyethersulfone membranes with enhanced high-pressure resistance for stable separation

Many high-performance ultrafiltration membranes have been developed to address pollutant removal in complex water environments. However, the permeability-selectivity trade-off and inherent instability...

Ligand substitution engineering for modulating the pore microenvironment of MOFs to enhance CO2 gas separation performance in mixed matrix membranes

Defect engineering allows for precise control of the microporous structure and coordination defects in metal-organic frameworks (MOFs). This approach offers an innovative pathway to optimize the gas...

Block copolymer-based CO2 separation membranes: synthesis, microstructures and recent progress

Block copolymers (BCPs) have emerged as a fascinating tool within the realm of gas separation membranes, primarily for their remarkable ability to self-assemble into well-defined microstructures. This...

Gradient-driven sandwich-like nanofibrous membrane for high-flux antifouling emulsion separation

Membrane separation for nanoemulsion treatment offers advantages including superior effluent quality and low resource consumption. However, it faces challenges of low flux and membrane fouling. To address...

Recent advances in polyamide nanofiltration membranes for antibiotic removal

Emerging as a new class of micropollutants in the last several decades, antibiotics are difficult to be removed through conventional technologies and therefore can persist long-term in natural aquatic...

Engineering biomedical membranes for guided bone regeneration

Guided bone regeneration (GBR) is a widely employed clinical strategy that utilizes biomedical membranes to create a physical barrier between soft tissue and bone defects, thereby facilitating bone...

pH-mediated polyethyleneimine-based thin-film composite membranes for high-performance pervaporation desalination

Pervaporation (PV) desalination has emerged as a promising seawater desalination technology, distinguished by its strong hydrophilicity and capacity to efficiently treat highly saline feeds. Advancing...

A novel transferring strategy to construct outstanding ceramic membranes for high-temperature dust-laden gas filtration

Various industrial processes such as oil refining, metal refining, and chemical industry generate high-temperature dust-laden flue gas. The traditional flue gas treatment technology including wet spray...

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