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Sinochem News Network News on December 28, from the Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, reported that Zhang Jian, a researcher of the non-metal catalysis team of the institute, has made significant progress in the field of coupled field catalysis, and innovatively proposed soot combustion.
In this research, researchers tried to introduce non-traditional electric heating methods into the catalytic combustion process, and developed an electrified catalytic method for soot combustion
Catalytic combustion is a common method to effectively degrade carbon-based pollutants
The non-metal catalysis team of Ningbo Institute of Materials has devoted itself to the research of heterogeneous catalysis for many years, developing high-efficiency heterogeneous catalysis materials for biomass conversion and typical chemical reactions, and making continuous progress in active site design synthesis and reaction mechanism research
The experimental results show that more than 50% of the soot conversion can be completed within the first 5 minutes of power-on, and the combustion temperature is below 75°C, which reduces the dependence of the combustion temperature on the catalyst-soot contact mode, and the performance is far better than the traditional thermal catalytic reaction ( 50% soot conversion rate, temperature over 300℃)
At the same time, researchers have revealed through mechanism studies that electric current can drive the movement of catalyst lattice oxygen, promote the reaction of lattice oxygen and soot, thereby enhancing the activity of the active structure to catalyze soot combustion
The achievement was completed by Zhang Jian, Professor Zhang Zhaoliang of Jinan University, and Zhong Zhicheng, a researcher at the Key Laboratory of Magnetic Materials and Devices of the Chinese Academy of Sciences.