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Largest Crude Distillation Units

Largest Crude Distillation Units

(OP)
Dear Refinery Experts,
What is the maximum capacity of a single-train CDU operating in a refinery?
And what is the relevant diameter of the topping tower?
I've read of a 325 kbd unit in Jamnagar but not sure it is a true figure and if it is the absolute maximum.
I'm generally interested in this topic, so if someone would like to share any capacity/diameter data of big units I'll be grateful.
In my humble experience the max is a 160 kbd CDU, 7.8 m main fractionator diameter (revamped, with a preflash upstream).
Thanks in advance for any help,
poli

RE: Largest Crude Distillation Units

(OP)
I've found other topping tower data:
- 285 kbd, 11 m
- 125 kbd, 6.5 m
- 90 kbd, 5.5 m
- 90 kbd, 6 m

RE: Largest Crude Distillation Units

hi,
it all depends on your CDU design and the type of oil that you are trying to process at that time.
I'd need to set up a material balance first fitted to your equipment constrains.

Regards

Gabriel Castaneda, P.E.
http://www.gabcheminc.com

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