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07575 Determination of Corrosion Mechanism for Water Wash Injection Point Failure in Saturate Gas Plant

Picture for 07575 Determination of Corrosion Mechanism for Water Wash Injection Point Failure in Saturate Gas Pl
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Product Number: 51300-07575-SG
ISBN: 07575 2007 CP
Author: Robert J. Scanlan, Ricardo R. Valbuena, and Dave G. Hughes, and Dannie R. Clarida
Publication Date: 2007
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An explosion and fire occurred at the Humber Refinery on April 16th 2001, following the failure of a 6-inch overhead pipe from a De-ethanizer column in the Saturate Gas Plant. Investigation revealed that the failure of the pipe was due to internal corrosion associated with a water wash injection location that had not been identified by the refinery pipework inspection regime. This paper describes the chain of events that led to the failure, as well as determining the corrosion mechanism of the failure, which was not known at the time. The corrosion mechanism was determined to be acidic sour water corrosion due to the significant presence of hydrogen sulfide. The paper also describes the mitigation procedures put in place and details the current status of the system.
An explosion and fire occurred at the Humber Refinery on April 16th 2001, following the failure of a 6-inch overhead pipe from a De-ethanizer column in the Saturate Gas Plant. Investigation revealed that the failure of the pipe was due to internal corrosion associated with a water wash injection location that had not been identified by the refinery pipework inspection regime. This paper describes the chain of events that led to the failure, as well as determining the corrosion mechanism of the failure, which was not known at the time. The corrosion mechanism was determined to be acidic sour water corrosion due to the significant presence of hydrogen sulfide. The paper also describes the mitigation procedures put in place and details the current status of the system.
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