Using field pressure data, a refiner made a low-capital modification on a crude distillation column to increase throughput without a shutdown
Flooding of the crude distillation unit (CDU)
adversely impacts a refinery's profits. Such conditions force
crude charge reductions, downgrading of product draws, etc.
Consequently, the CDU operates under stress. Determining the
root cause for the flooding is another obstacle that a
refiner must overcome. Incorrect diagnosis of the flooding
source can be equally as damaging as the root cause.
Gathering valid field data is vital when understanding the
dynamics occurring within the crude column. Proper
interpretation of the data is also required to determine the
best recourse to correct the problem.
In this case history, a
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