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Reboiler sizing - Petrol Diesel split - help required

Reboiler sizing - Petrol Diesel split - help required

Reboiler sizing - Petrol Diesel split - help required

(OP)
Hi

I am looking for help sizing a reboiler for a new project.

70 million L per year of pertol  /diesel mix.

Petrol over top, diesel as bottoms product. Not using a kettel.

I have column reseved on the used market, 52 trays bubble cap 1 m diam x 15.540 m tall.

I am thinking about introducing feed at a mid point, with pre heating via steam??? Size of pre heater???

Main reboiler will be via hot oil. We have 2 hot oil heaters 1 at 1.76 MW other at 0.76 MW

I would be looking for about 7 - 8 T per hour boil up

Thanks

RE: Reboiler sizing - Petrol Diesel split - help required

v8landy:

What you need is someone to perform a distillation process design for you. I would suggest you locate a chemical engineer experienced in the use of one of the many available simulation programs and ask him/her to do it for you ... or pay to have him/her do it for you.

I might also add that he/she will want to have a detailed fractional distillation assay of your petrol-diesel mixture. Both petrol and diesel are generic terms and their physical properties (boiling range, etc.) may vary significantly from one source refinery to another.

Milton Beychok
(Visit me at www.air-dispersion.com)
.

 

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