Process for preparing organic gas purification catalyst
A technology for purifying catalysts and organic gases, applied in catalyst activation/preparation, physical/chemical process catalysts, chemical instruments and methods, etc., can solve the problems of high price of precious metals, high processing temperature, unsatisfactory effect, etc., and achieve good results Purification effect, process safety, low price effect
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Embodiment 1
[0016] Take Al 2 o 3 Pour 600 grams and 320 grams of Na(OH) (Na / Al ratio 1.20) into 1000 grams of distilled water at the same time, stir well and maintain the reaction temperature at 65°C for 1 hour, and place it at an ambient temperature of 25°C for 24 hours; Wash the material with 0.1% ammonia water after vacuum filtration, and then fully dissolve in 0.7% nitric acid; add NaOH to adjust the pH value of the solution to 10.0 to obtain a suspension solution; 2 and CuO powder (MnO 2 : CuO=3:2) mixed thoroughly and then added to the suspension; the mixed solution was filtered and granulated; dried at 105°C for 12 hours, heated to 360°C for 1.5 hours, dried at 650°C for 2.5 hours and naturally cooled to room temperature to obtain required catalyst.
[0017] Using the prepared catalyst, the cooking fume exhaust gas from the catering industry is treated at a treatment temperature of 200 ° C. The total concentration is about 100 mg / L, and the contact time of the gas catalyst is 3 ...
Embodiment 2
[0019] Take Al 2 o 3 Pour 600 grams and 320 grams of Na(OH) (Na / Al ratio 1.20) into 1000 grams of distilled water at the same time, stir well and maintain the reaction temperature at 65°C for 1 hour, and place it at an ambient temperature of 25°C for 24 hours; Wash the material with 0.1% ammonia water after vacuum filtration, and then fully dissolve in 0.7% nitric acid; add NaOH to adjust the pH value of the solution to 10.0 to obtain a suspension solution; 2 and CuO powder (MnO 2 : CuO=3:2) mixed thoroughly and then added to the suspension; the mixed solution was filtered and granulated; dried at 105°C for 12 hours, heated to 360°C for 1.5 hours, dried at 650°C for 2.5 hours and naturally cooled to room temperature to obtain required catalyst.
[0020] Using the prepared catalyst, the cooking fume exhaust gas from the catering industry is treated at a treatment temperature of 200°C. The total concentration is about 220 mg / L, and the contact time of the gas catalyst is 3 se...
Embodiment 3
[0022] Take Al 2 o 3 Pour 600 grams and 320 grams of Na(OH) (Na / Al ratio 1.20) into 1000 grams of distilled water at the same time, stir well and maintain the reaction temperature at 65°C for 1 hour, and place it at an ambient temperature of 25°C for 24 hours; Wash the material with 0.1% ammonia water after vacuum filtration, and then fully dissolve in 0.7% nitric acid; add NaOH to adjust the pH value of the solution to 10.0 to obtain a suspension solution; 2 and CuO powder (MnO 2 : CuO=3:2) mixed thoroughly and then added to the suspension; the mixed solution was filtered and granulated; dried at 105°C for 12 hours, heated to 360°C for 1.5 hours, dried at 650°C for 2.5 hours and naturally cooled to room temperature to obtain required catalyst.
[0023] Using the prepared catalyst, the cooking fume exhaust gas from the catering industry is treated at a treatment temperature of 200°C. The total concentration is about 100 mg / L, and the contact time of the gas catalyst is 3 se...
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