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RE: Coke Drums Headed Up

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From: Jim Blevins, Chevron Texaco
Date: 02 Aug 2004

Some good comments from the others on the question of leaving the drum headed up with the vent and drain open but no steam. Here are two other thoughts; if you leave it headed up you may find you build up some liquid in the bottom even with drain open so you may get some increased foam. Additionally you may find you leave oxygen in the drum which can cause polymers to build up in fractionator top trays and finfans. Be sure to purge the drum of all oxygen before starting the cyle.

Transferred from the Discussion on August 16, 2004 by the administrator.

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