Today I colored a PFD!! It was just Petron's BASIC Process Flow Diagram but it was complex as a flagella. Each unit works harmoniously with the others; each important but none indispensable. There is always a back-up, except for the CCRU (Continuous Catalytic Regeneration Platforming Unit), that is, since its old partner the PWF (Powerformer) is rather old.
Anyway, I color-coded the PFD to 6 classification of equipment: blue for hydrotreaters, violet fo separators, red for reformers, yellow for crackers, orange for the isom unit, and green for the merox (mercaptan oxidation) units.
Why was it fun?? I'd say our work is beautiful. But the act of coloring has somehow pulled me in the wonderful imaginative world of kindergartens.
I'd like to do it again some other day.
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