API ICP Programs API-936 Question # 25 Topic 3 Discussion
API-936 Exam Topic 3 Question 25 Discussion:
Question #: 25
Topic #: 3
The vessel in which the cracking reaction occurs or is completed, and in which the product gases are separated from coke and/or catalyst particulate, is the:
This definition is rooted in petroleum refining terminology used in the context of fluid catalytic cracking (FCC) units:
“Reactor: The vessel in which the cracking reaction occurs or is completed and in which the product gases are separated from coke and/or catalyst particulate.”
— API Std 936, Definitions, Section 3
Option B is the correct term describing this component. A stripper removes volatiles, a regenerator burns off coke from spent catalyst, and a standpipe is used for catalyst transport—not for the cracking reaction itself.
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