Issues with online exhaust gas monitoring
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Everyone, has anyone paid attention to what the value of the standard air excess factor set on the CEMS computer for the online monitoring of sulfuric acid exhaust gases is?
In the end, the grade 2 sodium hydroxide shock bottle was replaced with a grade 3 isopropyl version, which reduced the impact of SO2 on acid mist. However, the downside is that it delays the advancement of ultra-low emissions for sulfuric acid exhaust; the current standards set too high limits for SO2 emissions.
The sulfuric acid exhaust emission standard requires a 3% oxygen reduction