Articles tagged with Membrane Porosity
FAMU-FSU researchers explored the effects of boiling on perfluorosulfonic acid polymer membrane performance, finding that pretreatment leads to tradeoffs between speed and precision. The study highlights potential applications in mineral harvesting, redox flow batteries, and electrochemical reactors.
A new study evaluates four microbial aerosol samplers and finds that membrane filtration produces the highest collection efficiency for particles at or below one micrometer. The study suggests that choosing the right sampler is crucial for accurate airborne pathogen detection.
Researchers developed hierarchically porous N-doped carbon nanofiber membranes with abundant hierarchical pores, enriched pyrrolic nitrogen. The optimized membrane exhibited excellent catalytic performance and stability in selective hydrogenation of phenol, achieving high conversion and selectivity rates.
Researchers propose a novel approach to customize metal-organic frameworks (MOFs) for efficient membrane separations. The strategy involves modularizing custom defect-free MOF separation membranes, allowing for rapid production of high-performance membranes.
Recent papers in ACS Environmental Au explore the impact of aerosol acidity in the southeastern U.S. and the effects of environmental films on native ecosystems. The journal also investigates electrospun nanofibrous membranes for controlling airborne viruses.
Researchers at Dalian Institute of Chemical Physics have developed a flexible soft-solid MOF composite membrane for efficient H2/CO2 separation. The membrane's unique structure, featuring quasi-vertically oriented solid particles, achieves better separation accuracy and robust anti-swelling capacity.
Researchers from Japan have developed a new method to synthesize a pure Si-CHA membrane showing much higher CO2 separation performance than existing membranes. The key to this achievement is using a porous silica substrate instead of alumina, eliminating problems with pore size reduction and improving efficiency.
Researchers at KAUST have developed a novel polymer membrane that can precisely separate ions, opening up new possibilities for technologies like water purification, mineral extraction, and energy storage. The membranes' precise control over pore size and uniformity makes them ideal for applications such as removing ions from seawater ...
The KAUST team created conjugated microporous polymers with uniform pore sizes and high surface area through electropolymerization. These membranes showed faster solvent transport and narrow molecular sieving due to their unique structure.
Scientists at EPFL Valais Wallis have developed high-performance membranes for carbon capture that surpass post-combustion capture targets. The membranes, based on single-layer graphene with selective layers, show six-fold higher CO2 permeance and high separation factors.