What are the blue impurities in low-temperature methanol washing?
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When our unit was servicing the purification filter, we found a large amount of blue solid impurities in the filter mesh; we’re not sure what substance it is
Analyze the composition of this substance to identify the cause as soon as possible
It should be a catalyst. . . . . . . . . . . . . . .
What kind of filter at what process position? It is likely caused by impurities in the form of ferrous ions, as well as system corrosion
Looking forward to the original poster revealing the answer; in “reaping the benefits without any effort”: lol
Blue-black, right! What catalysts do you use in turn?
I have a feeling it must be a catalyst
If a Co-Mo-based catalyst is used for the transformation, it may be the precipitates of the catalyst.
May I ask the original poster, which location is the filter?
If it is the filter at the bottom of the hydrogen sulfide concentration tower, it is caused by acidic corrosion. If it is the filter at the bottom of the thermal regeneration tower. It’s likely a catalyst:lol:lol:lol