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Plasma plasma and lanthanide catalytic supported transition metal oxide catalyst activity
- Categories:Company Dynamics
- Author:Plasma cleaning machine-CRF plasma plasma equipment-plasma surface treatment machine manufacturer-chengfeng intelligent manufacturing
- Origin:
- Time of issue:2022-03-04
- Views:
(Summary description)Plasma plasma and lanthanide catalytic supported transition metal oxide catalyst activity: Under the combined action of plasma plasma and lanthanide catalyst, the yield of C2 hydrocarbon and CO has a certain relationship with the atomic number of lanthanide catalyst, that is, with the increase of element atomic number, the yield of C hydrocarbon gradually decreases, and the yield of CO gradually increases. This shows that under the plasma atmosphere, the lanthanide catalysts have differences in adsorption selectivity and adsorption capacity for various free radicals in the system. The La2O3/Y-Al2O3 catalyst adsorbs methyl radicals and promotes the generation of C2 hydrocarbons; different from the La203/Y-Al2O3 catalyst, the Nd2O3/Y-Al2O3 catalyst tends to adsorb oxygen-containing radicals, and the methyl radicals on the catalyst surface Easily oxidized by oxygen-containing free radicals to form CO. It is worth noting that in the reaction of CO2 oxidation of CH4 to C2 hydrocarbons, CeO2/Y-Al203 combined with plasma showed better catalytic activity, which was similar to CeO2/Y-Al203 in the catalytic methane oxidation coupling reaction. The roles of sm2O2/Y-Al2O3 are obviously different. It is generally believed that CeO2/Y-Al2O3 is an excellent catalyst for the complete oxidation of methane to CO, which is not conducive to the formation of C2 hydrocarbons. Similarly, although Sm2O3/Y-Al2O3 is an excellent catalyst for the oxidative coupling reaction of methane, but in plasma plasma Its catalytic activity is not obvious in bulk atmosphere. This shows that the co-action mechanism of plasma and catalyst is not the same as that of pure catalysis, so it is necessary to further study the co-action mechanism of plasma plasma and catalyst.
Plasma plasma and lanthanide catalytic supported transition metal oxide catalyst activity
(Summary description)Plasma plasma and lanthanide catalytic supported transition metal oxide catalyst activity:
Under the combined action of plasma plasma and lanthanide catalyst, the yield of C2 hydrocarbon and CO has a certain relationship with the atomic number of lanthanide catalyst, that is, with the increase of element atomic number, the yield of C hydrocarbon gradually decreases, and the yield of CO gradually increases. This shows that under the plasma atmosphere, the lanthanide catalysts have differences in adsorption selectivity and adsorption capacity for various free radicals in the system. The La2O3/Y-Al2O3 catalyst adsorbs methyl radicals and promotes the generation of C2 hydrocarbons; different from the La203/Y-Al2O3 catalyst, the Nd2O3/Y-Al2O3 catalyst tends to adsorb oxygen-containing radicals, and the methyl radicals on the catalyst surface Easily oxidized by oxygen-containing free radicals to form CO.
It is worth noting that in the reaction of CO2 oxidation of CH4 to C2 hydrocarbons, CeO2/Y-Al203 combined with plasma showed better catalytic activity, which was similar to CeO2/Y-Al203 in the catalytic methane oxidation coupling reaction. The roles of sm2O2/Y-Al2O3 are obviously different. It is generally believed that CeO2/Y-Al2O3 is an excellent catalyst for the complete oxidation of methane to CO, which is not conducive to the formation of C2 hydrocarbons. Similarly, although Sm2O3/Y-Al2O3 is an excellent catalyst for the oxidative coupling reaction of methane, but in plasma plasma Its catalytic activity is not obvious in bulk atmosphere. This shows that the co-action mechanism of plasma and catalyst is not the same as that of pure catalysis, so it is necessary to further study the co-action mechanism of plasma plasma and catalyst.
- Categories:Company Dynamics
- Author:Plasma cleaning machine-CRF plasma plasma equipment-plasma surface treatment machine manufacturer-chengfeng intelligent manufacturing
- Origin:
- Time of issue:2022-03-04 16:47
- Views:
Information
Plasma plasma and lanthanide catalytic supported transition metal oxide catalyst activity:
Under the combined action of plasma plasma and lanthanide catalyst, the yield of C2 hydrocarbon and CO has a certain relationship with the atomic number of lanthanide catalyst, that is, with the increase of element atomic number, the yield of C hydrocarbon gradually decreases, and the yield of CO gradually increases. This shows that under the plasma atmosphere, the lanthanide catalysts have differences in adsorption selectivity and adsorption capacity for various free radicals in the system. The La2O3/Y-Al2O3 catalyst adsorbs methyl radicals and promotes the generation of C2 hydrocarbons; different from the La203/Y-Al2O3 catalyst, the Nd2O3/Y-Al2O3 catalyst tends to adsorb oxygen-containing radicals, and the methyl radicals on the catalyst surface Easily oxidized by oxygen-containing free radicals to form CO.
It is worth noting that in the reaction of CO2 oxidation of CH4 to C2 hydrocarbons, CeO2/Y-Al203 combined with plasma showed better catalytic activity, which was similar to CeO2/Y-Al203 in the catalytic methane oxidation coupling reaction. The roles of sm2O2/Y-Al2O3 are obviously different. It is generally believed that CeO2/Y-Al2O3 is an excellent catalyst for the complete oxidation of methane to CO, which is not conducive to the formation of C2 hydrocarbons. Similarly, although Sm2O3/Y-Al2O3 is an excellent catalyst for the oxidative coupling reaction of methane, but in plasma plasma Its catalytic activity is not obvious in bulk atmosphere. This shows that the co-action mechanism of plasma and catalyst is not the same as that of pure catalysis, so it is necessary to further study the co-action mechanism of plasma plasma and catalyst.
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