Passivation plan after the shutdown of the catalytic unit stabilization system
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May I ask: after the catalytic absorption and stabilization system was shut down, who has carried out passivation treatment? How to handle it?
Rinse it with water mixed with potassium permanganate.
Could you explain it in more detail? Regarding why passivation occurs, the process, and how to assess the effects after passivation
Passivation by ammonia solution leaching and steam purging
By passivation, I mean the passivation of ferrous sulfide, to prevent spontaneous combustion after the tower is started up. The process involves filling a reflux tank with water and adding potassium permanganate, then pumping it back into the tower for leaching. It’s impossible to determine the effect after passivation without starting the tower.