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How to configure a large amine regenerator reboiler heated by hot oil?

Heat Transfer & Exchangers · 1 reply · 4 views

PlantCalcKit Staff Thread starter

Designing a natural gas CO2 removal unit using aMDEA solvent. The regenerator reboiler duty is 26 MW, heated by a hot oil loop (supply 180 C, return 150 C). A single kettle reboiler comes out very large. What configuration options are there, and how do you estimate the required area?

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PlantCalcKit Staff 29 posts · joined 1 Oct 2026

The key constraint is the LMTD between your hot oil circuit and the reboiler sump temperature.

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