LPG refining

2010-09-21View Original

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This post was last edited by *qingzhuo on 2010-9-23 22:09. The desulfurization and mercaptan extraction towers used in LPG refining are all jumbo columns; what is the purpose of the diameter change at the upper part of the tower?

Reply #22010-09-21

Since the required gas velocity for the separation component is lower than that in the lower section, increasing the tower diameter reduces the gas velocity； Or like an extraction tower, it requires a large phase separation zone at the top.

Reply #32010-09-21

Increase the area for heat transfer by conduction and reduce the flow velocity

Reply #42013-07-17

They’re all experts; I’ve learned from them. Is the desulfurization unit of the poster operating smoothly?

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LPG refining

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