What is the actual decomposition temperature of aniline?
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The catalytic cracking process starts; aniline is injected as a passivating agent. According to the data on aniline, its decomposition temperature is 370°C – so how can it decompose if the temperature during sulfidation does not reach this level?
If I remember correctly, aniline belongs to the category of non-basic nitrogens; it does not cause catalyst deactivation like basic nitrogens do. Passivation merely temporarily neutralizes the acidic centers of the catalyst, reducing its activity. Therefore, this decomposition temperature should have little effect on passivation, and the catalyst will gradually decompose after 370 degrees, allowing its activity to be restored.
It causes catalyst poisoning; I made a mistake