Why does the catalytic cracking dry gas desulfurization tower contain coke?
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Why does coke accumulate on the trays of the catalytic cracking dry gas desulfurization tower? What are the formation conditions?
How to confirm that it is coke? There are several possibilities: one is to share the amine solution regeneration with the desulfurization of coker dry gas ； Second, the coking liquefied gas is sent to the catalytic liquefied gas desulfurization tower for desulfurization ； Third, the low-pressure gas is compressed and then sent to the catalytic unit; if there is a coking unit, the low-pressure gas will contain coke dust.
Has it entered the coking dry gas? Alternatively, the lean liquid used is that resulting from the desulfurization and regeneration of coking gas.
The analysis on the 2nd floor is quite thorough. Let’s use our own solvent regeneration system for the catalytic dry gas – this way, no coke will be formed, although there might be some corrosion products