Articles tagged with Chemical Separation
A UTA chemist has developed a new method to separate and recycle mixed plastics using supercritical fluid chromatography. The technique can differentiate oils created from various plastics, holding promise for improving recycling rates and reducing reliance on fossil fuels.
Chinese scientists developed a new three-phase OSW electrocatalytic system for efficient production of high-purity benzaldehyde, achieving 97% Faradaic efficiency and 91.7% purity without post-purification processes. The system uses clean energy and water resources, simplifying product separation and purification.
Researchers at PNNL have developed a simple, water-based solution to separate and purify rare earth elements from e-waste. The new process uses the unique properties of metals to form solids at different rates, resulting in nearly pure minerals recovered in hours rather than days.
Scientists have developed an efficient new method to separate lanthanides, critical materials for clean energy technologies, from a chemical mixture. The technique combines two substances: one water-loving and catches lighter lanthanides, while the other oil-loving and grabs heavier ones.
Scientists have created a novel organosilica membrane using imidazolium-type ionic liquids, achieving high selectivity and permeability in separating organic liquid mixtures. The findings suggest that this technology has the potential to replace energy-intensive distillation processes in chemical industries.
Researchers at the University of Texas at Arlington have developed a method to determine the clinical potency of psilocybin and psilocin in Psilocybe cubensis mushrooms. This technique uses liquid chromatography with tandem mass spectrometry, allowing for accurate extraction and measurement of the strength of the mushrooms.
Researchers at Delft University of Technology have developed pioneering advancements in the purification of isopropanol and acetone from waste gases through engineered bacteria. The novel process shows high-purity yields with recoveries over 99.2%, marking a significant step forward in sustainable industrial fermentation.
West Virginia University engineer Yuhe Tian is developing powerful artificial intelligence tools that can reimagine the sustainability of chemical manufacturing. She aims to harness quantum intelligence to innovate environmentally friendly chemical plant designs.
Researchers developed a graft polymerization technique to create thermally stable and long-lasting lithium-ion batteries by improving separator performance. The new method outperforms other coating methods in cell performance, showing promise for creating high-safety lithium batteries.
A new study by GIST researchers provides efficient hydrogen storage solutions using clathrate hydrates, overcoming limitations such as limited gas storage capacities and slow formation rates. The study offers crucial insights for developing clathrate hydrate-based technologies for carbon dioxide separation and hydrogen storage.
Researchers at Oak Ridge National Laboratory have developed a new, efficient, and environmentally-friendly solution for lithium-ion battery recycling using organic citric acid. This approach recovers critical metals like cobalt and lithium, reduces pollution and reliance on foreign sources, and eliminates the need for hazardous chemicals.
A research team led by Michele Galizia aims to create polymer membranes that can efficiently separate gases, reducing energy consumption. The project has the potential to apply in various fields such as fossil fuels, healthcare, and the airline industry.
Scientists at Lawrence Berkeley National Laboratory and JBEI developed a simple
Researchers developed a water-based emulsion adhesive that can be separated by acidic or alkaline water, making it ideal for recycling. The glue's reversible nature enables efficient detachment of labels from bottles, reducing waste sent to landfill.
Researchers at Chalmers University of Technology have developed a new method for recycling metals from spent electric car batteries using oxalic acid. The method allows for the recovery of 100% of aluminum and 98% of lithium, minimizing waste and utilizing an environmentally friendly ingredient.
Researchers at Georgia Tech have developed new polymer membranes that can improve distillation processes, reducing the global energy and water use. The DUCKY polymers use a novel combination of characteristics to selectively bind desirable molecules, making them a promising solution for industries.
Researchers have created biobased polyesters with superior mechanical properties, exceeding those of polyethylene and polypropylene. The new material can be easily recycled and exhibits increased tensile strength and elongation at break with molecular weight.
Researchers have developed a metal nanocluster-based separator for lithium-sulfur batteries, accelerating electrochemical kinetics and improving capacity and cycling stability. The technology has the potential to increase the adoption of sustainable energy storage systems, including electric vehicles and renewable energy.
A University at Buffalo-led research team has created a new, sturdier membrane that can withstand harsh environments associated with industrial separation processes. The membrane, made from an inorganic material called carbon-doped metal oxide, is a potential alternative to energy-intensive processes like distillation and crystallization.
New hybrid membrane technology uses thermosalient organic crystals to effectively remove contaminants from surfaces, increasing water flow by over 43% and extending operational lifetime. This innovation has the potential to make desalination technologies more efficient and environmentally sustainable.
A new technique converts kale waste into phytochemicals for use in health and personal care products, preserving potency and using non-toxic solvents. The method reduces energy consumption and emissions, making it attractive for industry adoption and supporting a circular economy.
A £1.75m project led by Professor Chenyu Du aims to develop new processes for recovering polyester and cellulose from mixed cotton and polyester fibres. The goal is to create a roadmap towards net-zero for the textiles industry, reducing plastic waste and increasing recycling rates.
Engineers have developed a new membrane that separates chemicals from wastewater, allowing for reuse and extraction of valuable by-products. The membrane's unique properties, inspired by mussels, can separate salts and other chemical components with unprecedented efficiency.
Forensic scientists at West Virginia University have developed a systematic approach to compare pieces of trace evidence, including duct tape, using a novel method. The technique evaluates fracture edges and demonstrates physical fit, providing a foundation for evaluating error rates and improving accuracy in crime scene investigations.
Researchers at Washington State University have developed a novel method to extract lignin from wheat straw, producing a color-neutral, odorless, and homogenous material. This breakthrough could make lignin a more viable candidate for developing high-value products and biobased materials.
Researchers have demonstrated a method to power water remediation using renewable energy sources, including solar power. Through electrochemical separation and redox reactions, they successfully removed arsenate from wastewater.
Researchers at Washington University in St. Louis have developed an electrochemical device that can recover phosphorus fertilizer from municipal waste with high efficiency. The device achieved over 93% efficiency in recovering phosphorus and precipitating approximately 99% of it into solid form.
Penn State researchers have successfully controlled the movement and separation of nanorods using ultrasound technology, opening up new possibilities for drug delivery and bioprinting. The demonstration has potential applications in additive manufacturing and targeted drug delivery.
Researchers at the Beckman Institute developed a new purification system that uses an electrified version of dialysis to separate salt and other unnecessary particles from wastewater. The method saves money and saps 90% less energy than its counterparts, making it a promising solution for global water scarcity.
A team of researchers from China and the UK has developed new ways to optimise the production of solar fuels by creating novel photocatalysts. These photocatalysts, such as titanium dioxide with boron nitride, can absorb more wavelengths of light and produce more hydrogen compared to traditional methods.
Researchers have developed radiation-resistant inorganic resin scaffolds to separate radium, actinium, and lead from each other. The zirconium-based materials demonstrate good separation capabilities and remarkable radiopurities using relatively simple chemicals.
A new, energy-efficient approach to removing CO2 directly from air has been developed at Oak Ridge National Laboratory and licensed to Holocene. The technology uses an aqueous solution containing receptors called Bis-iminoguanidine to absorb carbon dioxide, which can then be stored deep underground.
A recent study identified orthophosphate as a contaminant in some antiscalants that promotes bacterial growth, while HEDP-based antiscalants showed no biofouling effect. The research aims to develop simple low-tech tests for desalination plants to reduce energy consumption and extend membrane lifespan.
Research reveals that certain bacteria can replace essential lanthanides with actinides to sustain their metabolism. The findings suggest a possible role for these bacteria in decontaminating areas contaminated with radioactive elements or separating lanthanides and actinides for analytical purposes.
Researchers have developed a modular system to recognize chiral molecules, which could lead to more effective methods of separating enantiomers in drugs. The system uses metallopolymers with chirality to sense two enantiomeric molecules through electrochemical interactions.
Researchers from TIFR Hyderabad create molecular strainers that can filter particles as small as hydrogen molecules, offering a new basis for designing more efficient filtration processes. The study's findings provide insights into the movement of molecules through sieves and open up avenues for further exploration in industries.
Researchers at Aarhus University have developed a chemical process to disassemble epoxy composite materials from wind turbine blades, extracting intact glass fibres and high-quality epoxy resin building blocks. The process has potential applications for circular economies in the aerospace, automotive, and space industries.
Researchers at Colorado State University have created a new chemical strategy to deliver universal dynamic crosslinkers into mixed plastic streams, transforming them into viable new polymers that can be turned into higher-value materials. The method makes post-consumer plastics usable as a new kind of material with useful properties.
Researchers at Oak Ridge National Laboratory have developed a novel tug-of-war strategy that efficiently separates individual lanthanides from each other. By combining oil-loving and water-loving ligands, scientists can target specific elements simultaneously, reducing the complexity and cost of conventional separation methods.
University of Illinois researchers create an electrode that attracts and captures short-chain PFAS, a type of 'forever chemical,' using electrosorption. The design allows for selective fluorophilic interactions, enabling the capture of these persistent contaminants from environment.
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.
A new study by the University of Illinois at Urbana-Champaign demonstrates an approach for integrated capture and conversion of nitrate-contaminated waters into valuable ammonia using a single electrochemical cell. The device shows significant enhancements in energy efficiency, nitrate removal, and ammonium production rate compared to ...
Researchers at KAUST have developed a sustainable method for creating high-performance porous membranes from plastic waste, using bio-based solvents to dissolve polyolefins. This process reduces the environmental footprint of industrial separations and creates access to fresh water.
Researchers developed poly(alkyl-biphenyl pyridinium)-based anion exchange membranes with hydrophobic side chains, achieving high permoselectivity for monovalent ions like chloride and hydroxide. The new membranes show excellent alkali stability and can separate multiple multivalent anions with high selectivity.
A new solar distillation device, developed by KAUST professors and researchers, can purify brine from seawater with high efficiency. The device produces double the freshwater production rate of existing technology, meeting the drinking needs of two people daily.
The study reveals that N,N-dimethylformamide (DMF) separates carbazole and anthracene due to strong intermolecular hydrogen bonds. Researchers used advanced liquid-state NMR techniques to analyze the interaction mechanism, finding a C=O···H-N bond between DMF and carbazole.
Researchers fabricated Li-S batteries with ultra-long cycle life over 2000 cycles via multifunctional separator design. The novel hollow and hierarchically porous Fe3O4 nanospheres effectively regulate LiPSs behavior, achieving high sulfur utilization and excellent electrochemical performances.
A nationwide retrospective study showed that adjuvant chemotherapy after neo-adjuvant chemotherapy and surgery significantly improved overall survival in patients with pancreatic adenocarcinoma, regardless of lymph node status or resection margins. The study included nearly 900 patients and was published in JAMA Oncology.
The NSF is seeking proposals to utilize the ISS National Laboratory for fundamental research in fluid dynamics, thermal transport, and combustion. Researchers aim to advance knowledge that benefits life on Earth, particularly in predicting and preventing catastrophic mudslides after wildfires.
Researchers develop Janus Bi, a platform for creating highly asymmetrical nano-architectures with 2D materials, inspired by nature's efficient light transformation processes. The project aims to produce scalable nanotechnological objects with light conversion capabilities.
Researchers developed an electrochemical technique to recycle highly valuable homogeneous catalysts, extending their life cycle. The method uses an electrical field to separate catalysts from mixtures and bind them to a surface, allowing for reuse and reducing energy consumption.
Researchers have created exceptionally thin nanomembranes that can separate hydrocarbons from crude oil with 90% less energy than traditional distillation columns. The membranes' high permeance and selectivity enable rapid processing of crude oil, reducing plant footprint and energy consumption.
Researchers at Idaho National Laboratory have developed a dimethyl ether-driven process for selectively separating rare earth elements and transition metals from magnet wastes. This method significantly reduces energy and product consumption compared to traditional methods.
New polymer-based membranes developed at KAUST enable greener separation of simple to complex hydrocarbon mixtures, reducing energy consumption and CO2 emissions in crude oil refineries. The membranes' stability and selectivity can be tuned by thermal crosslinking, allowing for higher purity components and removal of byproducts.
Researchers at KAUST have developed a new type of carbon molecular sieve membrane that overcomes drawbacks of existing polymer membranes. The membrane, made from 6FDA-DMN, exhibits high rejection of small molecules and exceptional stability in various organic solvents.
A team of researchers developed a low-energy and efficient way to harvest and concentrate valuable chemicals from microalgae, which can be grown on waste materials. This membrane-based process enables continuous extraction and concentration of secreted metabolites, paving the way for large-scale bio-factories.
Researchers at Oak Ridge National Laboratory have made significant advancements in recovering rare earth metals, developing safer batteries, and enhancing material properties through tailored molecules and advanced microscopy. These discoveries could lead to more efficient clean energy technologies and reduced carbon impacts.
Researchers at KAUST have developed a new class of oriented mixed-matrix metal-organic framework (MMMOF) membrane that selectively removes detrimental gases like H2S and CO2 from natural gas. The membrane demonstrates far better separation efficiency compared to conventional methods.
A research team discovered that increasing Co-doping level in perovskite oxide thin film activates lattice oxygen, improving the performance of solid oxide fuel cell (SOFC) anodes. However, exceeding 70% Co-doping degrades stability, limiting optimal performance.
Researchers from Oak Ridge National Laboratory have developed a new extraction agent that outperforms current industry standards, enabling efficient separation of rare-earth elements. The technology uses diglycolamide ligands and can separate individual REEs in multiple stages.