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07385 Direct Assessment of Corrosion Using Fiber Optic Sensors

Picture for 07385 Direct Assessment of Corrosion Using Fiber Optic Sensors
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Product Number: 51300-07385-SG
ISBN: 07385 2007 CP
Author: W. Don Morison and Rod C. Tennyson
Publication Date: 2007
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$20.00
$20.00
Crude unit overhead line corrosion is one of the most serious problems in oil refineries. Changes in process, environmental conditions, or feedstock that lead to HCl condensation are the main causes of overhead line corrosion. Although the sites where corrosion occurs are frequently known, they are generally not accessible for routine wall thickness inspections without the use of scaffolding. Furthermore, the high surface temperature often leads to high variability in the measurements with traditional methods. Operators are able to adjust process parameters to minimize condensation or to inject optimum amounts of neutralizers or filming amines if accurate wall loss measurements and temperature profile data are available. Permanently installed, non-intrusive corrosion and process monitoring tools, based on a fiber-optic sensor system, make such data available from a convenient, remote location. Refinery operators benefit by having fiber optic sensors installed during operation and by having ready access to information that increases safety and allows more efficient planning of turnarounds.
Crude unit overhead line corrosion is one of the most serious problems in oil refineries. Changes in process, environmental conditions, or feedstock that lead to HCl condensation are the main causes of overhead line corrosion. Although the sites where corrosion occurs are frequently known, they are generally not accessible for routine wall thickness inspections without the use of scaffolding. Furthermore, the high surface temperature often leads to high variability in the measurements with traditional methods. Operators are able to adjust process parameters to minimize condensation or to inject optimum amounts of neutralizers or filming amines if accurate wall loss measurements and temperature profile data are available. Permanently installed, non-intrusive corrosion and process monitoring tools, based on a fiber-optic sensor system, make such data available from a convenient, remote location. Refinery operators benefit by having fiber optic sensors installed during operation and by having ready access to information that increases safety and allows more efficient planning of turnarounds.
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