Related to the main stripping tower and butane removal tower in hydrocracking
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I’ve been studying *hydrogenation-related processes recently. In hydrocracking, there are the main stripping tower and the butane removal tower. I have a question for those with more experience: why isn’t there a fractionation tower? Is the main stripping tower a fractional distillation tower? If not, then what is the difference between the main stripping tower and the fractionation tower? Does the stabilizer tower belong to the distillation tower?
The stripping tower also has a fractionation function, but its precision is lower than that of a fractional distillation tower; however, it is capable of stripping hydrogen sulfide. The toluene tower functions as a stabilizer tower