Catalytic mid-stage circulation volume
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There are four mid-stage extraction ports in total on the catalytic fractionation tower; two of them need to be opened. Which two extraction ports would be suitable to use?
Asked like this, I guess it’s hard to answer – there’s no data at all
Is there any difference between the open exhaust port and the closed exhaust port?
Specifically, which tray level do the four extraction ports located on, what are the temperatures of each tray level, to which tray level is the fluid returned, and what is the heat exchange process? It's best to attach a picture.
That’s a bit too general, brother! The upper and lower extraction ports are generally adjusted according to the quality control requirements for diesel, as the specifications of diesel vary significantly across different seasons. I don’t know if you understand a little bit.