Coke oven flue gas denitration process and system
A coke oven and flue gas technology, applied in the field of flue gas purification, can solve problems such as high energy consumption, low flue gas temperature, and failure to meet the temperature requirements of alum-based catalysts, and achieve low energy consumption, high denitrification efficiency, and land occupation small area effect
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[0036] Such as figure 1 and figure 2 As shown, the coke oven flue gas denitrification system of this embodiment includes a NO catalytic oxidation tower 1, a gas mixing system, and a denitrification and ammonia removal tower 2, and the NO catalytic oxidation tower 1, a gas mixing system, and a denitrification and ammonia removal tower 2 are connected in sequence through pipelines , the coke oven flue gas enters the NO catalytic oxidation tower 1, and part of the NO is oxidized into NO 2 The gas mixing system first mixes ammonia vapor and air to form a mixed gas, and then mixes the mixed gas with the catalytically oxidized coke oven flue gas discharged from the NO catalytic oxidation tower 1; the resulting mixed coke oven flue gas is sent to the denitrification and ammonia removal tower 2 The denitrification and ammonia removal treatment is carried out in the middle, and it is discharged after the treatment is completed.
[0037] Further, the gas mixing system includes a booste...
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