Articles tagged with Adsorption
A new MOF has been developed using a 'Merged-Net Strategy' inspired by skyscraper architecture, resulting in enhanced porosity and structural stability. The material exhibits superior water adsorption capacity and reusability compared to conventional MOFs.
Research suggests that plants can be used as an eco-friendly tool to collect and degrade plastic particles in natural ecosystems. Various plants have been found to absorb or adsorb micro- and nanoparticles through their roots or leaves, making them suitable for use as filters in wetlands or along highways.
Researchers at Tohoku University have successfully increased capacitor capacity by 2.4 times using a molecular coating method, improving its performance and lifespan. The new technology utilizes inexpensive activated carbon and can store large amounts of energy, making it suitable for next-generation energy devices.
Researchers explore key interaction sites and pathways in advanced materials for efficient ammonia capture. Functional absorbents, porous solid adsorbents and membrane materials are reviewed for their properties and potential applications.
Researchers at the University of British Columbia have developed an all-in-one solution to remove and destroy PFAS substances, also known as 'forever chemicals,' from water supply. The system combines an activated carbon filter with a patented catalyst that traps and breaks down harmful chemicals into harmless components.
Researchers developed a crystalline solid that can adsorb and release ammonia, making it easy to recover. The material's high density and ease of desorption make it a promising solution for efficient hydrogen storage.
Scientists have developed a nanocomposite material with sodium carbonate and nanocarbon to capture carbon dioxide from industrial emissions. The new material shows high CO2 capture capacity and can be regenerated for up to 10 cycles, reducing energy consumption.
A research team at New Jersey Institute of Technology has developed a novel pre-treatment process to enhance the performance of existing GAC systems for PFAS removal. The approach involves adding a chemical that forms hydrophobic complexes with PFAS molecules, improving removal efficiency and cost-effectiveness.
Researchers at HKUST have developed a sustainable and controllable strategy to manipulate interfacial heat transfer, enhancing the performance of eco-friendly cooling in various applications. By leveraging a water adsorption process, they increased thermal energy transfer across interfaces by up to 7.1 times.
Researchers have developed an active learning strategy to accelerate the synthesis of high-performance engineered biochar with enhanced CO2 uptake. The approach nearly doubled CO2 capture performance, showcasing its transformative impact.
Researchers at IISc developed a novel hydrogel that can remove 95% of polyvinyl chloride and 93% of polypropylene microplastics from water. The hydrogel uses UV light irradiation and has a durable structure, making it suitable for repeated use.
New research reveals spent coffee grounds can act as an efficient adsorbent of bentazone, a highly neurotoxic herbicide. Activated carbon from spent coffee grounds showed a 70% efficiency in bentazone removal and high sensitivity to pollutants.
Competitive DOM removal impacts OMP adsorption, with nonpolar molecules having higher competitiveness due to medium aromaticity. Aromatic DOM is not competitive against OMPs in adsorption, contrary to initial expectations.
Scientists have developed a nanoporous magnesium borohydride structure that stores five hydrogen molecules in three-dimensional arrangement, achieving unprecedented high-density hydrogen storage. The material exhibits a capacity of 144 g/L per volume of pores, surpassing traditional methods and offering a promising alternative to large...
Researchers in Chile developed a prototype using microorganisms to remove VOCs and PAHs from indoor air, achieving efficiencies above 90%. The system can operate for 8 months without losing efficiency. This breakthrough offers a potentially low-cost solution to improve indoor air quality.
Researchers have developed a promising new solar-powered technology to harvest water from air, capable of increasing daily water supply needs in dryland areas. The system uses a super hygroscopic gel to absorb and retain large amounts of water, with the potential for large-scale practical applications.
A novel aqueous lubricant technology has been developed at the University of Leeds, providing a longer-lasting solution for people with dry mouth conditions. The substance, composed of microgel and hydrogel, binds strongly to the surface of the mouth, reducing desorption and offering up to five times more effective relief.
Chinese researchers are exploring advanced porous nanomaterials and technologies to reduce radionuclide discharge into the environment. These materials possess high specific surface area, abundant pore structures, exceptional stability, and design flexibility, making them promising candidates for radionuclide removal.
Researchers at São Paulo State University have developed a technique to remove glyphosate, a widely used herbicide, from contaminated water. By using functionalized cellulose fibers from sugarcane bagasse, they can effectively adsorb and remove glyphosate residues from an aqueous medium.
Researchers from Japan have solved a long-standing puzzle of porous soft materials, revealing the importance of elastic heterogeneity in tuning molecular adsorption/desorption properties. The study provides physicochemical insight into the origin of elastic heterogeneity within MOFs, with applications to imparting targeted properties.
A team of researchers from SUTD and A*STAR has developed a quick and energy-efficient technique to produce 2D mica nanosheets, which have shown an 87% higher CO2 adsorption capacity than bulk mica. The nanosheets' high specific surface area and porosity enable effective carbon capture.
Researchers at KAUST have developed a simple technique to create highly porous organic polymers, known as poly(aryl thioether), for applications in photocatalysis and optoelectronics. The material exhibits high surface area and tunable porosity, making it suitable for removing organic micropollutants and toxic mercury ions from water.
Researchers at Pusan National University have developed a new adsorbent that utilizes problematic protons in acidic wastewater to enhance the removal of radioactive cesium ions. The adsorbent, potassium calcium thiostannate, shows improved capacity under strongly acidic conditions.
Researchers at Northwestern University developed a metal-filtering sponge that can capture and recover critical metals and heavy-metal pollutants from contaminated water. The new sponge successfully removed lead to below detectable levels with one use and recovered over 90% of the ions during subsequent cycles.
Researchers at Pusan National University have developed high-adsorption phosphates that can efficiently capture radionuclide cesium ions. These phosphates outperform standard adsorbents with record-high adsorption capacities, making them promising candidates for radioactive waste disposal.
Researchers developed GAME-Net, a graph neural network that rapidly evaluates adsorption energy for large molecules like plastics and biomass. The model achieves accuracy comparable to density functional theory (DFT) while utilizing simple molecular representations.
Developed by University of Georgia researchers, the superfoam conducts electricity, cleans polluted water, and resists blood, microbes, and proteins. Its versatility makes it a valuable resource for clinicians and environmental remediation professionals.
Research found that ZrO2 oxygen vacancies greatly facilitate charge transfer to CO2 molecules, leading to improved adsorption and activation. The study suggests t-ZrO2 with oxygen vacancies is most favorable for CO2 adsorption and activation over different phases of ZrO2.
Researchers have developed a new class of materials that can efficiently remove glyphosate from groundwater. The new metal-organic frameworks (MOFs) have a large surface area and can be customized depending on the application.
Researchers at Ulsan National Institute of Science and Technology (UNIST) have identified seven types of zirconium metal clusters found in MOFs and fourteen potential new metal building blocks. This discovery provides a crucial clue to accelerate the development of carbon-neutral porous materials.
Researchers have developed a novel process to convert nitrogen and hydrogen into ammonia at ambient temperature and pressure with high energy efficiency. The process uses a solid polymeric electrolyte and eliminates the need for purification, producing pure ammonia gas.
Engineers at UBC developed a new water treatment that captures up to 99% of PFAS particles, eliminating them from drinking water. The technology is particularly beneficial for rural communities with limited resources, offering a decentralized and in-home solution.
Researchers developed a machine learning model that maps graphene-gas molecule van der Waals complex bonding evolution for selective gas detection. The model achieved 100% accuracy in distinguishing between different atmospheric environments, showcasing its potential for environmental monitoring and non-invasive medical diagnosis.
The study reveals the formation of boron clusters with magic numbers on monolayer borophene, leading to spontaneous transformation into bilayer borophene. Density functional theory calculations identify B5 clusters as the result of in-plane charge distribution and electron delocalization.
Researchers at The University of Manchester have developed stable, porous materials that capture and separate benzene, a volatile organic compound and major air pollutant. These materials, UiO-66 and MFM-300, demonstrate high adsorption of benzene at low pressures and concentrations.
Researchers at USTC found that aerating O2 into the semiconductor reaction system improves H2O2 utilization and converts methane to liquid-phase oxygenates. The adsorption of O2 inhibits H2O2 adsorption, suppressing side reactions.
Researchers have developed an innovative magnetic adsorbent that can remove microplastics 1,000 times smaller than those detectable by existing wastewater treatment plants. The process takes just one hour, compared to days for current methods.
Researchers have identified a new material, TiO2/Fe2O3 nanomaterial, that can clean and improve water quality with a single step treatment. This technology has the potential to improve the lives of millions of people exposed to carcinogenic arsenic through contaminated groundwater.
Scientists developed a method to control the synthesis of single-atom catalysts, enabling the creation of bimetallic Fe-Co electrocatalysts with desired properties. These catalysts showed superior ammonia yield rates and faradaic efficiency under electrocatalytic nitrogen reduction reaction conditions.
Researchers from University of South Australia found that porous silica can prevent fats and carbohydrates from being adsorbed in the body. Engineered particles of purified sand are designed to soak up digestive enzymes, fats, and sugars within the gastrointestinal tract.
Researchers developed hydrophilic slipper surfaces that are both extremely slippery and water-attracting, countering conventional wisdom. These SLIC surfaces have potential applications in biomedical technologies and condensers, where they offer anti-fouling properties and improved efficiency.
A newly developed composite sponge-based air filter has demonstrated strong potential for applications in automobiles and industry, with high efficiency in removing particulate matter under harsh conditions. The filter's unique design and materials ensure good structural stability and adaptability to various environments.
Researchers at Drexel University have developed a new MXene material that can efficiently remove mercury from contaminated water. The carboxylated titanium carbide MXene has shown superior performance in removing mercury ions compared to existing adsorbents, with the ability to capture 95% of mercury ions within one minute.
Researchers used machine learning to predict protein adsorption onto polymer brush films, identifying key film characteristics that impact adsorption. The study found hydrophobicity index to be the most critical parameter, with thickness and density also playing a significant role.
The study reveals significant information on the thermal properties of electric double-layer capacitors, which can help create safer and more reliable energy storage devices. The research team found that charging and discharging alter the heat capacity of EDLCs, leading to a decrease in capacitance.
Researchers have developed an eco-friendly and reusable solution for removing toxic synthetic dyes from wastewater using nanocomposite-based hydrogels. The new material, made from carboxymethyl cellulose (CMC) and graphene oxide, demonstrates high adsorption capacities and retains its effectiveness even after multiple cycles of use.
Researchers at Swiss Federal Laboratories for Materials Science and Technology have discovered a new chemical synthesis method that forms stable benzene rings on a gold surface. This method, called the 'dry' method, avoids toxic byproducts and allows for the observation of molecular reactions in real-time.
Researchers have created a novel sorbent that effectively removes copper and zinc from water solutions, with the ability to be reused for efficient treatment of industrial wastewater and drinking water. The sorbent's adsorption properties were enhanced through modification, allowing for up to 60% removal of heavy metals within minutes.
Researchers developed an optimizer tool to design and evaluate solar-powered adsorption cooling systems, achieving higher coefficient of performance with certain material combinations. The study focused on residential home cooling systems but aims to be extended to higher capacity systems.
A new study by Tel Aviv University researchers found that microplastics absorb and concentrate toxic organic substances, increasing their toxicity by a factor of 10. This may lead to severe impact on human health due to contaminated food and drink.
A recent study employs machine learning to guide the design of novel materials for CO2 capture, identifying elemental composition and textural properties as key factors. The research team's findings suggest prioritizing adsorption parameters and surface area optimization for high CO2 adsorption efficiency.
Researchers found that saliva protein adsorption is influenced by biomaterial surface properties, countering previous studies. The study lays groundwork for improving medical and dental implants' success by controlling the adsorption of proteins from blood plasma.
A new catalyst developed by Tokyo Tech researchers can generate hydrogen gas from ammonia at lower operating temperatures than existing methods. The calcium imide-supported Ni-catalyst produces good ammonia conversion and offers a promising solution for the production of clean hydrogen fuel.
Researchers developed a new imaging technique to study ligand interactions with nanoparticles, discovering that varying ligand concentration can control particle shape. This approach could lead to the creation of chemical sensors and methods for removing micropollutants from the environment.
Researchers at Cornell University have developed a method to control the shape of nanoparticles using small molecule adsorption. By varying the concentration of an individual ligand, they can change the particle's shape, opening up new possibilities for applications such as removing micropollutants from the environment.
Researchers reviewed various nanofibrous membranes for their filtration efficiency and pressure drop, highlighting the trade-off between mechanical adsorption and electrostatic adsorption in nanoparticle removal. Six filter classifications were also presented, including net/nanofiber and conductive filters.
Researchers designed a Cu-Pd bimetallic electrocatalyst that lowers the energy barrier of C2 product generation, resulting in a 50.3% C2 Faradaic efficiency. The catalyst exploits the benefits of both Cu (low energy barrier) and Pd (ultrafast kinetics), addressing CO2 conversion limitations.
Scientists from Okayama University have discovered a high-performance CO2 adsorption material in zeolites at room temperature. The discovery, reported in the Journal of Materials Chemistry A, opens up new possibilities for efficient air purification, including applications in space shuttles and concert halls.
Scientists from Okayama University have demonstrated high-performance gas molecule confinement with boron nitride nanopores, surpassing activated carbon. The study found that the nanoporous structure of p-BN allows for strong interaction between nitrogen and its pores, leading to higher adsorption rates.
Scientists used environmental transmission electron microscopy to visualize epitaxial rotation of gold nanoparticles on titanium dioxide surfaces during CO oxidation. Theoretical calculations showed that the epitaxial orientation could be induced by changing O2 adsorption coverage at the perimeter interface.