Preparation method of supported manganese-cerium composite oxide nanowire catalyst
A composite oxide and manganese oxide nanotechnology, applied in metal/metal oxide/metal hydroxide catalysts, physical/chemical process catalysts, chemical instruments and methods, etc. Denitrification catalyst research reports and practical applications and other issues, to achieve good catalytic activity, good water resistance, good resistance to sulfur poisoning effects
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Embodiment 1
[0021] First, ammonium sulfate, ammonium persulfate, and manganese sulfate are dissolved in desalinated water at a molar ratio of 10:3:3, and the concentration of manganese sulfate is 0.22mol / L; take 66ml of the solution and transfer it to a 100ml reaction kettle and place it in a microwave reactor , heated at 200°C for 96 hours to make manganese oxide nanowires; then acidify the manganese oxide nanowires, take 1g of manganese oxide and place it in 50ml of 1mol / L hydrochloric acid solution, stirring constantly, after 1 hour, wash with desalted water and ethanol respectively After washing three times, the treated manganese oxide nanowires were transferred to a beaker, dried and weighed to take 0.8g, and placed in 50ml Ce(NO 3 ) 3 solution (0.04mol / L), sealed with plastic wrap and placed in an oven at a temperature of 50°C for 24 hours, the manganese oxide nanowires adsorbed Ce 3+ , and finally the product was washed and dried and calcined in a muffle furnace at a temperature o...
Embodiment 2
[0023] First, ammonium sulfate, ammonium persulfate, and manganese sulfate are dissolved in desalinated water at a molar ratio of 10:3:3, and the concentration of manganese sulfate is 0.22mol / L; take 66ml of the solution and transfer it to a 100ml reaction kettle and place it in a microwave reactor , heated at 200°C for 96 hours to make manganese oxide nanowires; then acidify the manganese oxide nanowires, take 1g of manganese oxide and place it in 50ml of 1mol / L hydrochloric acid solution, stirring constantly, after 1 hour, wash with desalted water and ethanol respectively After washing three times, the treated manganese oxide nanowires were transferred to a beaker, dried and weighed to take 0.8g, and placed in 50ml Ce(NO 3 ) 3 Solution (0.08mol / L), sealed with plastic wrap and placed in an oven at a temperature of 50°C, immersed for 24 hours, manganese oxide nanowires adsorbed Ce 3+ , and finally the product was washed and dried and calcined in a muffle furnace at a tempera...
Embodiment 3
[0025] First, ammonium sulfate, ammonium persulfate, and manganese sulfate are dissolved in desalinated water at a molar ratio of 10:3:3, and the concentration of manganese sulfate is 0.22mol / L; take 66ml of the solution and transfer it to a 100ml reaction kettle and place it in a microwave reactor , heated at 200°C for 96 hours to make manganese oxide nanowires; then acidify the manganese oxide nanowires, take 1g of manganese oxide and place it in 50ml of 1mol / L hydrochloric acid solution, stirring constantly, after 1 hour, wash with desalted water and ethanol respectively After washing three times, the treated manganese oxide nanowires were transferred to a beaker, dried and weighed to take 0.8g, and placed in 50ml Ce(NO 3 ) 3 solution (0.12mol / L), sealed with plastic wrap, placed in an oven at a temperature of 50°C, and immersed for 24 hours, the manganese oxide nanowires adsorbed Ce 3+ , and finally the product was washed and dried and calcined in a muffle furnace at a te...
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