Preparation method for improving low-temperature activity of carbon-based SCR catalyst
A catalyst and activity technology, which is applied in the preparation field of improving the activity of low-temperature SCR catalysts, can solve the problems of water resistance and sulfur resistance performance to be improved, and achieve the effects of easy control of preparation conditions, high energy utilization rate, and cheap and easy-to-obtain raw materials
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Embodiment 1
[0028] Accurately weigh 1.66g C 2 h 2 o 4 Add it into a 100ml beaker, add 30ml of deionized water therein, and stir it on a magnetic stirrer to make it dissolve completely. Weigh 0.7718g NH 4 VO 3 Add it to the above solution, stir well to make it dissolve completely. Continue to stir until the color of the solution turns blue, and add 19.4 g of treated activated carbon to the above blue solution. Place the above beaker in the cavity of a microwave oven, adjust the microwave power to 100W, stir in a water bath at 60°C for 1h, dry in an oven at 120°C for 6h, and finally bake in a nitrogen atmosphere at 500°C for 3h, and in an air atmosphere at 250°C for 3h , to get V 2 o 5 / AC catalyst, denoted as 1#.
Embodiment 2
[0030] Accurately weigh 1.66g C 2 h 2 o 4 Add it into a 100ml beaker, add 30ml of deionized water therein, and stir it on a magnetic stirrer to make it dissolve completely. Weigh 0.7718g NH 4 VO 3Add it to the above solution, stir well to make it dissolve completely. Continue to stir until the color of the solution turns blue, and add 19.4 g of treated activated carbon to the above blue solution. Place the above beaker in the cavity of a microwave oven, adjust the microwave power to 200W, stir in a water bath at 60°C for 1h, dry in an oven at 120°C for 6h, and finally bake at 500°C for 3h in a nitrogen atmosphere, and bake at 250°C for 3h in an air atmosphere , to get V 2 o 5 / AC catalyst, denoted as 2#.
Embodiment 3
[0032] Accurately weigh 1.66g C 2 h 2 o 4 Add it into a 100ml beaker, add 30ml of deionized water therein, and stir it on a magnetic stirrer to make it dissolve completely. Weigh 0.7718g NH 4 VO 3 Add it to the above solution, stir well to make it dissolve completely. Continue to stir until the color of the solution turns blue, and add 19.4 g of treated activated carbon to the above blue solution. Place the above beaker in the cavity of a microwave oven, adjust the microwave power to 300W, stir in a 60°C water bath for 1h, dry in an oven at 120°C for 6h, and finally bake in a nitrogen atmosphere at 500°C for 3h, and in an air atmosphere at 250°C for 3h , to get V 2 o 5 / AC catalyst, denoted as 3#.
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