The SCR+EDV5000 combination technology is used for the purification of flue gases from catalytic cracking; could this lead to excessive ammonia nitrogen levels in the desulfurization wastewater?...
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The SCR+EDV5000 combination technology is used for the purification of flue gases from catalytic cracking; could this lead to excessive ammonia nitrogen levels in the desulfurization wastewater?...
As long as the ammonia injection amount is properly controlled, there are no problems; compared to the ozone-based denitration method, the ammonia nitrogen content in the saline wastewater is very low.
Theoretically, there are no issues; but were there any abnormalities in actual operation, and are there any enterprises with excessive ammonia nitrogen levels? Additionally, what is the appropriate amount of ammonia to be injected?
In practice, there have been cases of high ammonia leakage that caused corrosion of the furnace tubes; however, no instances of excessive ammonia nitrogen levels have been observed during actual operation. As for the amount of ammonia injected, it depends on the inlet NOx and outlet NOx concentrations as well as the flue gas flow rate. That is, the amount of NOx converted
Ammonia nitrogen levels are above the standard; the amount of urea used for removal is higher than usual but lower than that in other companies in the same industry. We are investigating the cause