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|LDEQ Accident Number
|Point Source(s)||Notes||Amount of Release|
|Exchanger e-108: Fire||Cause: A leak at the gasket between the shell and the tube face plate on the exchanger caused super heated hydrogen to be released. The leak was due to loose bolts on the face plate. This caused a fire in the hydrogen ignited in the atmosphere and started a fire. E-108 on fire|
Notes: Princeton personnel responded by dumping unit pressure to the unit flare and unloading the compressors. Nitrogen was introduced into the system. Princeton fire brigade responded and directed fixed monitor streams to protect surround equipment. Bossier Parish Fire District No. 1 responded to the incident to assist with hose operations. Fire lasted 57 minutes. Bolts were torqued to 80% bolt strength. It is recommended to modify the maintenance procedure to prevent future incidents. Material Safety Data Sheet for hydrogen included within the report. Atmospheric Venting Caused a fire.
|hydrotreater hydrogen valve||Cause: The packing on the hydrogen valve blew out. According to the refinery letter, "the valve had been closed... and was opened for startup of the unit. The valve packing was not checked or replaced during turnaround activities."|
Notes: BRQ. Princeton personnel dumped unit pressure to the unit flare and nitrogen was introduced into the system. The Princeton fire brigade "responded and directed fixed monitor streams and advanced hose teams to protect the surrounding equipment." It was recommended to replace valve packing for every future planned shutdown.
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