Rich liquid regeneration

2015-11-20 View Original

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For LPG desulfurization, after the rich liquid is flashed and then heat-exchanged, at what temperature does it enter the regeneration tower?

Reply #2 2015-11-20

Our initial design was 81 degrees (almost 30 years ago), and from what we know, the actual operating temperatures over the past two decades have been around 100 degrees, 99 degrees, or 98 degrees.

Reply #3 2015-11-23

So what temperature do you keep for the inlet to the flash tank?

Reply #4 2015-11-29

It seems that there’s no need to deliberately control this temperature; the temperature here is above 100 degrees, and the process involves two heat exchangers for the rich and lean fluids

Reply #5 2015-11-30

100 degrees, reduce the heat source at the bottom of the tower

Reply #6 2018-01-01

Around 100 degrees, but it will gradually decrease as the efficiency of the heat exchanger declines.

Reply #7 2018-01-04

Flash in at 65°, enter tower at 95°

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Rich liquid regeneration

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