Articles tagged with Catalytic Reactors
A University of Virginia researcher is developing an alternative method to remove nitrate from wastewater by converting it into valuable chemical products. The project uses electrocatalysis and modulation excitation spectroscopy to optimize the conversion process, aiming to reduce energy consumption and environmental impact.
A new mechanochemical approach uses water as a catalyst to transform renewable resources into high-performance porous materials capable of capturing CO2 while removing pollutants. The method produces carbon-negative materials with exceptional hydrophobic characteristics and scalable production.
Researchers at the University of Rochester have developed a new way to harness the properties of tungsten carbide as a catalyst for producing valuable chemicals and fuels. The method, which involves carefully manipulating tungsten carbide particles at the nanoscale level, has shown promising results in reducing costs and increasing eff...
Researchers at Rice University developed a mechanistic model to simulate how oxidants and pollutants move through and react inside catalytic membranes. The framework identifies the ideal range for catalyst loading and introduces new performance metrics to improve membrane design.
Researchers developed a technology that precisely analyzes 21 types of reactants simultaneously using high-resolution fluorine nuclear magnetic resonance spectroscopy. This breakthrough contributes to new drug development and catalyst optimization in AI-driven autonomous synthesis.
Researchers are developing atomically dispersed catalysts to make industrial processes cleaner and more efficient. However, the field is plagued by common pitfalls, including inadequate testing and characterization. Experts like Jason Bates and E. Charles Sykes emphasize the need for repeatable, rigorous science.
Researchers found that hot car exhaust can improve the efficiency of catalysts by forming nano-sized clusters on their surface, increasing reaction sites and oxygen activation. This serendipitous discovery could lead to more efficient catalysts with significant cost savings.
University of Virginia School of Engineering and Applied Science professors William Epling and Roseanne Ford were elected as fellows to the American Institute of Chemical Engineers. They are recognized for their expertise in environmental catalysis and bacterial chemotaxis, respectively.
A research team identified manganese oxide and cobalt oxide as effective catalysts for accelerating ortho-to-para conversion of molecular hydrogen. The study provides guidelines for designing anti-evaporation catalysts, which are crucial for long-distance hydrogen transportation.
Nickel-based catalysts have shown high efficiency in CO2 reduction, producing valuable materials through various methods. Recent advancements focus on improving catalyst design and systems, with gas diffusion electrodes enhancing current density.
Scientists have developed a new catalyst that can convert toxic carbon monoxide into carbon dioxide even at room temperature. By varying the size of the ceria particles, they improved the performance of palladium-based catalysts, increasing reactivity and efficiency.
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 at KAUST have developed a sustainable method for producing butadiene, a key component of synthetic rubber, using the Lebedev process and modernized catalysts. The new approach eliminates the need for fossil reserves and reduces environmental impact.
Researchers at UCF have developed single-atom platinum catalysts that reduce the amount of precious metals needed in catalytic converters. These improvements can enhance catalytic performance while minimizing environmental harm.
A new ceramic material with excellent oxygen storage capacity has been developed by Tohoku University researchers. The material can remove toxic gases from exhaust emissions at lower temperatures than current materials, making it a promising solution for improving air quality in petrol and diesel vehicles.
Scientists at the University of Pittsburgh create microcapsules that exhibit life-like autonomy through self-generated motion and chemical signals. The system mimics protocell behavior, showcasing the potential for simple mechanisms to produce complex biological functions.
Researchers at North Carolina State University have developed a new catalyst to improve butane conversion into butadiene, increasing efficiency and reducing byproducts. The breakthrough could make butadiene production more commercially viable and address the growing demand-supply imbalance.
A new study suggests that future catalytic converters could have longer lifetimes and need fewer rare materials to operate. Researchers investigated how the performance of rhodium-based catalysts changes over time in the presence of high heat.
Engineer Thomas Senftle at Rice University has won a prestigious NSF CAREER Award to improve catalysts through machine learning. He will develop open-source models to speed up the development of catalysts with optimized particle/support combinations, aiming to reduce unwanted molecules in water.
Researchers developed a nano-scale copper-silver-gold structure that enhances electrochemical CO2 reduction reaction selectivity. The trimetallic design allows for precise tuning of product outcomes, optimizing the production of ethanol and other desired compounds.
A research team discovered a quantum confinement effect in a 3D-ordered macroporous structure of BiVO4, enabling hydrogen production under visible light. The study found that the 3DOM structure had higher photocatalysis efficiency and produced more oxygen than its plate-like counterpart.
Pasquali proposes splitting hydrocarbons to produce clean hydrogen energy and solid carbon materials, which could replace materials with large carbon footprints. This transition would generate robust growth in manufacturing jobs and improve production efficiency.
Researchers at the University of Houston have developed a small, flexible, and cost-effective acrylonitrile modular reactor that can produce feedstock near geographically distributed carbon fiber plants. This technology aims to improve access to affordable feedstock for carbon fiber producers by reducing energy costs.
The Spinning Disc Mesh Reactor (SMDR) creates chemicals by reacting enzymes on a spinning cloth-covered plate, like a vinyl record. It offers flexibility and scope for batch production, making pharmaceutical companies more responsive to emerging health issues.
Researchers at DESY NanoLab discovered that platinum oxidizes more readily than expected when exposed to high pressures of oxygen, forming nano-bubbles. This phenomenon has significant implications for applications such as catalytic converters in cars and electrochemical sensors.
Researchers at DESY's NanoLab found that nanoparticles with a large number of edges are more efficient in catalytic reactions. The study revealed that the different facets of the nanoparticles become inactive due to growing oxide islands, leaving active sites for the reaction.
Scientists at Washington State University and Tufts University have demonstrated that a single metal atom can act as a catalyst in converting carbon monoxide into carbon dioxide. This breakthrough could lead to more efficient and cost-effective catalytic converters, essential for reducing harmful emissions from car exhaust.
Researchers developed a dynamic catalytic converter concept that optimizes exhaust gas treatment by adjusting platinum particle size and oxidation state in response to engine operation. This improves catalytic performance and reduces noble metal consumption, increasing economic efficiency.
Researchers at the University of Houston are developing next-generation catalytic converters to reduce harmful emissions and improve fuel efficiency. The project aims to find new materials that can operate effectively at low exhaust temperatures.
Researchers discovered that stretching and compressing ceria increases its oxygen storage capacity, overturning conventional wisdom on oxide materials. This finding has significant implications for developing solid oxide fuel cells and green-energy technologies.
A team of scientists used X-ray spectroscopy to analyze the interactions between active metals and gas molecules in catalytic converters. They found that different materials exhibit unique reaction paths, which can help improve their efficiency and reduce pollutant emissions.
Researchers mapped catalytic reactivity inside a microreactor in high resolution from start-to-finish using infrared and x-ray light. The study revealed opportunities for optimization, resulting in better catalytic performances.
Researchers at UCLA's College of Letters and Science have employed magnetic resonance imaging (MRI) to better measure the temperature of gases inside a catalytic reactor. This non-invasive method maps gas temperatures in real-time, enabling engineers and chemists to design better lab-on-a-chip devices and optimize reactor conditions.
Researchers will explore ways to use existing catalysts like platinum and palladium, altering ratios and thickness to optimize performance. The goal is to develop catalytic converters that can treat lower-temperature exhaust gas and meet environmental regulations.
Scientists have isolated and characterized a stable intermediate in a dirhodium metal complex reaction, allowing them to study its mechanism for the first time. The discovery opens new avenues for the field of catalysis and could lead to more efficient chemical reactions.
Researchers have discovered that the critical temperature for catalytic ignition depends on the material used and crystallographic orientation of metal granules. The findings suggest that a more efficient catalytic converter can be built by optimizing these factors, potentially reducing emissions and costs.
Researchers at Berkeley Lab and UC Berkeley develop a technique using parahydrogen-polarized gas to visualize active catalysts in microfluidic devices. The method enables direct visualization of gas-phase flow in microscale catalysis, broadening the impact of MRI technology.
Researchers have developed a new type of NOx Storage Reduction (NSR) catalytic converter that alternates between lean-burn conditions to reduce emissions and fuel-rich periods for regeneration. This technology has yielded important insights into the function of various components in the catalytic converter.
Catalytic converters in US vehicles emit toxic pollutants when they fail, putting public health at risk. Researchers detected these pollutants using advanced analytical techniques.
The project aims to design microchannel reactors for on-site production of hydrogen peroxide, addressing transportation, storage, and dilution costs. The grant also supports the development of microchannel reactors for catalytic hydrogenation reactions in the pharmaceutical industry.
The MIT team has developed a promising catalytic converter that controls emissions and can withstand excess oxygen. By understanding the atomic-level reaction process of sulfur trioxide formation, they aim to improve fuel efficiency and reduce pollution.
Researchers found high levels of ammonia in vehicle exhaust due to catalytic converter usage. Ammonia contributes to the formation of small airborne particles, a concern for human health.