According to the physicist organization network reported on the 28th, American researchers have discovered a new technology that can increase the catalytic rate of chemical reactions to 10,000 times the limit of the existing catalytic rate, and is expected to greatly increase the speed of thousands of chemical processes, and Significantly reduce costs and benefit industries such as fertilizer, food, fuel, and plastics.
Scientists use catalysts (such as metals) to accelerate chemical reactions, but the rate of catalysis can only reach the limit allowed by the Sabattier principle. Since this criterion was established quantitatively in 1960, the maximum value of Sabatier has been the limit of catalytic speed.
Researchers at the Center for Catalytic Energy Innovation, funded by the US Department of Energy, discovered that they can break this speed limit by applying waves to the catalyst to create an oscillatory catalyst. Waves have peaks and troughs. When a wave is applied, the wave allows the two parts of the chemical reaction to proceed independently at different speeds. When the wave applied to the surface of the catalyst matches the natural frequency of the chemical reaction, the so-called "resonance" mechanism causes the catalytic rate to rise significantly.
Paul Dornhall, one of the authors and a professor of chemical engineering and materials science at the University of Minnesota, said: "We have long realized that catalysts need to change over time, and it turns out that frequencies from kilohertz to megahertz will significantly accelerate catalysis speed."
Researchers say that increasing the speed of chemical reactions will greatly benefit the development of thousands of chemical and material technologies for fertilizers, food, fuel, plastics, etc., which can significantly reduce the number of equipment required to manufacture these materials and reduce the overall cost of many daily materials. .
Professor Donis Vilacos, Director of the Center for Catalytic Energy Innovation, said: "This has the potential to completely change the way we manufacture almost all of the most basic chemicals, materials and fuels. The transition from conventional catalysts to dynamic catalysts will be The change to AC is just as big. "(Reporter Liu Xia)
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