Method and device for detecting fume denitration catalyst activity
A denitration catalyst and activity detection technology, which is used in measurement devices, preparation of test samples, and air quality improvement, etc., can solve problems such as the reduction of catalyst activity, and achieve the effects of reducing destructive influence, simple detection system, and reliable operation.
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Embodiment 1
[0023] Take 250cm each of fresh and 8000h regular block denitrification catalysts 3 Place them in the simulated reactor in batches to ensure a good seal between the catalyst and the inner wall of the reactor. Adjust the reaction temperature of the simulated flue gas at 280-380°C, and the space velocity at SV=5000-60000h -1 , NO in flue gas components is 300-700mg / m 3 , SO 2 1200~1800mg / m 3 , O 2 2~6%, NH 3 / NOx is 0.5~1.1, the obtained catalyst activity index (K / K 0 ) is 0.90.
Embodiment 2
[0025] Take 250cm each of fresh and 14400h regular block denitrification catalysts 3 Place them in the simulated reactor in batches to ensure a good seal between the catalyst and the inner wall of the reactor. Adjust the reaction temperature of the simulated flue gas at 280-380°C, and the space velocity at SV=5000-60000h -1 , NO in flue gas components is 300-700mg / m 3 , SO 2 1200~1800mg / m 3 , O 2 2~6%, NH 3 / NOx is 0.5~1.1, the obtained catalyst activity index (K / K 0 ) is 0.81.
Embodiment 3
[0027] Take 250cm each of fresh and 25400h regular block denitrification catalysts 3 Place them in the simulated reactor in batches to ensure a good seal between the catalyst and the inner wall of the reactor. Adjust the reaction temperature of the simulated flue gas at 280-380°C, and the space velocity at SV=5000-60000h -1 , NO in flue gas components is 300-700mg / m 3 , SO 2 1200~1800mg / m 3 , O 2 2~6%, NH 3 / NOx is 0.5~1.1, the obtained catalyst activity index (K / K 0 ) is 0.71.
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