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Why is nitrogen detected in the exhaust gases from sulfur-based acid production?

2016-09-05View Original

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Recently, the environmental protection authorities conducted tests on our company’s exhaust gases, and it was found that the exhaust contained 12 mg/m³ of nitrogen. I’m not sure how this came about; I hope experts can help analyze it. We use the soda ash method for exhaust gas treatment.
Reply #22016-09-05
Is it nitrogen or nitrogen oxides? There is definitely nitrogen in the sulfuric acid production exhaust gases: lol
Reply #32016-09-06
79% of the air is nitrogen; it’s only natural that there is some
Reply #42016-09-09
Most of the exhaust gas is nitrogen, right? It’s only a problem if it can’t be detected.
Reply #52017-01-14
There should be nitrogen; it’s strange if there isn’t.
Reply #62017-01-16
It must be a mistake related to environmental protection; environmental protection measures are mainly aimed at controlling sulfur dioxide, nitrogen oxides, and acid mist – there are no requirements regarding nitrogen emissions, right?
Reply #72017-01-16
It must be nitrogen oxides; nitrogen is definitely present
Reply #82017-01-20
Without nitrogen, your process can produce pure oxygen :D:D:D
Reply #92017-05-01
The environmental testing report should mention \"nitrogen oxides\"; our company has had results for this test over the past two years. The nitrogen oxides generated in the incinerator are related to the high levels of nitrates found in the acid in our finished products

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