Pressure problems in catalytic cracking coaxial and high-low parallel configurations
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May I ask everyone: in a catalytic cracking unit with a coaxial two-reactor configuration, when both reactors are in a fluidized state, is the pressure in the settler lower than that in the regenerator? Is it the same in cases where the pressures are at different levels – i.e., is the pressure in the settler still lower than that in the regenerator when fluidization occurs? What are the hazards of high pressure in a settler, and can it be fluidized?
This relates to the relationship between the driving force and the resistance of catalysts; the premise of fluidized catalytic cracking is fluidization! I also recommend that you take a look at “Q&A on Catalytic Cracking Technology,” as it contains information on this topic!