Please tell me the advantages and disadvantages of distillation with pressurized preheater and without pressurized tower preheater?

2010-07-11View Original

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Please tell me the advantages and disadvantages of distillation with pressurized preheater and without pressurized tower preheater?

Reply #22010-07-11

Personally, I think the function of the preheater is mainly to determine the feed thermal status of the material, and thereby determine the feed point of the tower based on the component content. There are no advantages or disadvantages. It is mainly selected and used according to needs.

Reply #32010-07-11

This will increase the load on the reboiler at the bottom of the tower and require more trays for mass transfer and heat transfer.

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