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1,197 Current news about the topic catalysts
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Active Platinum Species
Catalytic high-temperature oxidations: Individual atom or metal cluster?
15-Jun-2021
Highly dispersed platinum catalysts provide new possibilities for industrial processes, such as the flameless combustion of methane, propane, or carbon monoxide, which has fewer emissions and is more resource efficient and consistent than conventional combustion. In the journal Angewandte Chemie, ...
How catalysts age
"Our new, detailed results could help industrial companies optimise their catalysts and make them more durable"
11-Jun-2021
PSI researchers have developed a new tomography method with which they can measure chemical properties inside catalyst materials in 3D extremely precisely and faster than before. The application is equally important for science and industry. The material group of vanadium phosphorus oxides (VPOs) ...
Chemists created cheap catalysts for ethanol conversion
Important stage in the development of an alternative technology for obtaining valuable chemical synthesis products based on plant raw materials
08-Jun-2021
RUDN University chemists proposed a new way to synthesize catalysts for the conversion of ethyl alcohol. The obtained materials are promising catalysts for the selective conversion of ethanol, which is an important stage in the development of an alternative technology for obtaining valuable ...
Recruiting bacteria to build catalysts atom by atom
An enigmatic bacterium proves a useful ally for the synthesis of single-atom catalysts to split hydrogen from water
02-Jun-2021
Exploiting the unusual metal-reducing ability of the iron-breathing bacterium Geobacter sulfurreducens, KAUST researchers have demonstrated a cheap and reliable way to synthesize highly active single-atom catalysts. The innovation, which could dramatically improve the efficiency and cost of ...
Nanoparticles: The Complex Rhythm of Chemistry
Nanoparticles are often used as catalysts. The chemical reactions on their surface are more complex than previously thought
26-May-2021
Most of commercial chemicals are produced using catalysts. Usually, these catalysts consist of tiny metal nanoparticles that are placed on an oxidic support. Similar to a cut diamond, whose surface consists of different facets oriented in different directions, a catalytic nanoparticle also ...
AI-aided search for single-atom-alloy catalysts yields more than 200 promising candidates
"The developed methodology can be easily adapted to designing new functional materials for various applications"
25-May-2021
Skoltech researchers and their colleagues from China and Germany have presented a new search algorithm for single-atom-alloy catalysts (SAACs) that found more than 200 yet unreported candidates. Their work provides a recipe for finding best SAACs for various applications. Single-atom-alloy ...
BASF expands global PGM refining capacity, further driving circular economy business
17-May-2021
BASF announced the expansion of its Seneca, South Carolina, USA, Platinum Group Metals (PGM) refining facility. The company will invest double-digit millions in capital improvements to increase refining capacity to recycle precious metals from spent catalysts such as automotive catalytic ...
Enzyme system for the hydrogen industry
Platinum-free biocatalyst for fuel cells and water electrolysis
14-May-2021
An enzyme could make a dream come true for the energy industry: It can efficiently produce hydrogen using electricity and can also generate electricity from hydrogen. The enzyme is protected by embedding it in a polymer. An international research team with significant participation of scientists ...
Understanding aromaticity in catalysis to unlock new opportunities
"Our discovery is not about identifying a new or better catalyst for a known reaction, but about opening a new field for unlimited new opportunities in the future"
05-May-2021
Aromaticity, a concept usually used to explain the striking stability and unusual reactivity of certain carbon-based molecules, could inspire the design of new catalysts with novel uses, KAUST researchers have shown. Chemists first came upon the anomalous behavior of aromatic molecules in the ...
How acidic are atoms?
Precisely understand and improve chemical properties of surfaces
30-Apr-2021
The acidity of molecules can be easily determined, but until now it was not possible to measure this important property for atoms on a surface. With a new microscopy technique from the Vienna University of Technology (TU Wien), this has now been achieved. The degree of acidity or alkalinity of a ...
