How to treat nitrogen oxides in sulfur exhaust gases
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The nitrogen oxide content in exhaust gases is high; how to deal with it? How should operations be controlled? I earnestly request the expertise of experts. Thank you
What are the metrics there? What’s the time now? Logically, the nitrogen oxides in sulfur exhaust gases shouldn’t be high; here they are generally around 20, and occasionally exceed 40, but they remain under control. The temperature of the incinerators there must be quite high!
Can a furnace temperature of 1200 degrees effectively reduce nitrogen oxides in the exhaust gases? Please give me detailed guidance; thank you
I haven’t come across any knowledge on this topic, but I’ve heard about a proposal put forward by a technician: installing a filtering device at the inlet of the exhaust fan to reduce substances containing silicon such as dust and sand in the air. I’m not sure if this will help reduce nitrogen oxides, but it probably can’t do any harm. Also, someone mentioned heating things to 1200°C, perhaps with the aim of converting them into nitrogen – but that’s not realistic. With that much effort, it would be better to simply equip the sulfur production furnace with burners for burning nitrogen:lol:lol
Too low a temperature control in the incinerator, as well as poor performance of the burners, can lead to excessive levels of nitrogen oxides.
The main method to reduce NOX formation during combustion is to employ staged combustion, thereby reducing the oxygen concentration in the combustion zone and lowering the flame temperature. In addition, flue gas treatment technologies can also be used to reduce the NOx content in flue gas after combustion.
Some people say the temperature of the incinerator is too low, while others claim that an excessively high temperature in the incinerator leads to excessive levels of nitrogen oxides. Could someone give a correct explanation?
Are the nitrogen oxides really that low? Are you referring to the exhaust gases at the outlet of the incinerator, or the process gases at the outlet of the sulfur production plant? Do you have any specific figures for oxygen content and nitrogen oxides?