CHAPTER TWOCRUDE DISTILLATION

PROFESSOR POT & KUMAR

I am Professor R.D. Pot! Head of the Chemical Engineering Department at M.I.T. (Mumbai Institute of Technology). I am also a famous consultant for Axxoco Oil.

Good afternoon; I’m Kumar!

Everything I know, I have learned at university from Professor Pot! I’m a Process Engineer at the Crude Unit at the Axxoco Refinery in Bridge City, Texas.

HOW TO ADJUST PUMPAROUND FLOWS

Listen Kumar, my dear friend! Always keep the heavy straight run pumparound (P/A) at its maximum flow so as to maximize crude preheat!

Is that always true, Professor Pot? How will that affect fractionation between LSR & HSR?

Well, I hadn’t thought about that. It seems like taking more heat out in the P/A, will reduce the top reflux rate and make fractionation worse between the HSR & LSR!

But Professor, if the top trays are dirty, and are running too close ...

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