Catalysis - 34 News by RUB

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Catalysis - 34 News by RUB

Tip: You can further refine your news selection by industries.

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Mechanism of Cobalt-Manganese Catalysts Deciphered

Combination of different methods was the key to success

22-Oct-2024 - The energy carrier hydrogen can be obtained from water by electrolysis. This works particularly well with Cobalt spinel electrocatalysts containing manganese. However, it was unclear why. Conventional catalysts for hydrogen production via water electrolysis usually contain precious metals and are ...

catalysis electrocatalysts atom probe tomography
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Golden Ball Mills as Green Catalysts

A gold-coated grinding bowl proves to be a real marvel

18-Jun-2024 - Less waste, mild reaction conditions, and no harmful solvents – only a very thin layer of gold is necessary to sustainably convert alcohols into aldehydes through mechanochemistry. A gold-coated milling vessel for ball mills proved to be a real marvel in the research work by Inorganic Chemistry ...

catalysis aldehydes ball milling
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Novel Catalyst System for CO2 Conversion

Efficiency and long-lasting stability

03-Jan-2024 - Researchers are constantly pushing the limits of technology by breaking new ground in CO2 conversion. Their goal is to turn the harmful greenhouse gas into a valuable resource. Research groups around the world are developing technologies to convert carbon dioxide (CO2) into raw materials for ...

catalysis electrocatalysis electrocatalysts
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Releasing Brakes on Biocatalysis

The new findings could play a role in H2 technologies

01-Dec-2023 - Formaldehyde can inhibit enzymes that produce hydrogen particularly efficiently. Researchers from Bochum have discovered how this can be prevented. Enzymes from microorganisms can produce hydrogen (H2) under certain conditions, which makes them potential biocatalysts for biobased H2 technologies. ...

catalysis biocatalysis biocatalysts
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Chemical reactions completely without waste

Mechanically driven reactions run completely without solvents: this sustainable process is now to be ready for the market

09-May-2023 - If reactions for the chemical industry were to take place without solvents, an enormous amount of environmentally harmful or even toxic waste could be saved. Prof. Dr. Lars Borchardt has shown how this can be done: Together with his team, he realizes mechanically driven reactions in catalytically ...

catalysis ball mills mechano-catalytic reactions
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Protecting biocatalysts from oxygen

A genetic modification can make hydrogen-producing enzymes more stable

13-Jan-2023 - Certain enzymes from bacteria and algae can produce molecular hydrogen from protons and electrons – an energy carrier on which many hopes are riding. All they need for this purpose is light energy. The major obstacle to their use is that they are destroyed by contact with oxygen. An ...

catalysis biocatalysts electrochemistry
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A poison helps to understand H2-producing biocatalysts

The toxic cyanide molecule attacks H2-generating enzymes, but at the same time provides new insights into catalysis

20-Dec-2022 - In nature, enzymes termed hydrogenases are capable of producing molecular hydrogen (H2). Special types of these biocatalysts, so-called [FeFe]-hydrogenases, are extremely efficient and therefore of interest for biobased hydrogen production. Although scientists have learned a lot about how these ...

catalysis biocatalysts cyanide
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A treasure map for the realm of electrocatalysts

Research into promising materials is hampered by the sheer number of possible candidates: An efficient method to solve this problem now developed

17-Jan-2022 - Efficient electrocatalysts, which are needed for the production of green hydrogen, for example, are hidden in materials composed of five or more elements. A team from Ruhr-Universität Bochum (RUB) and the University of Copenhagen has developed an efficient method for identifying promising ...

catalysis electrocatalysis electrocatalysts
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Catalyst surface analysed at atomic resolution

Particles observed during the catalysis process

12-Jan-2022 - Catalyst surfaces have rarely been imaged in such detail before. And yet, every single atom can play a decisive role in catalytic activity. A German-Chinese research team has visualised the three-dimensional structure of the surface of catalyst nanoparticles at atomic resolution. This structure ...

catalysis atom probe tomography catalysts
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Step by step to the end product through enzyme catalysis

Enzymes from microorganisms can produce valuable chemical substances. In a cascade, they can do that even if they need different environmental conditions

02-Sep-2021 - The production of the sugar trehalose, which is used as a functional food and an additive in pharmaceutical products or in cosmetics, is a team effort for enzymes: One takes care of the construction of an energy-rich intermediate product (UDP-glucose), from which the second then makes trehalose. ...

catalysis enzymatic catalysis chemicals
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