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Phillips 66 (2418), Belle Chasse

LDEQ Accident Report

Accident #114066
State Police #09-01734
Accident Date2009-04-08
Report Date 2009-06-25
Follow-up Date 0000-00-00
Follow-up: No

Pollutants Released

Pollutant Duration Point Source Greenhouse Gas Criteria Pollutant Ozone forming chemical Amount of Release
Sulfur Dioxide20 minutes308F-D-1 (Low Pressure Flare)NOYESNO1,254.0 pounds
Nitrogen Oxide20 minutes308F-D-1 (Low Pressure Flare)NOYESYES5.0 pounds
Hydrogen Sulfide20 minutes308F-D-1 (Low Pressure Flare); 191-PSV-009NONONO13.0 pounds
Hydrocarbon20 minutes308F-D-1 (Low Pressure Flare)NONOYES49.0 pounds

Accident Classified As:

Cause of Problem: Equipment Failure

The 891-K-1 Compressor tripped off-line due to a high liquid level inside the first stage suction drum (891-V-15). This was caused by high liquid levels in the fractionator tower's reflux drum (891-V-12) due to coke fines plugging the filters of the L-11 reflux pumps and L-13 Sour Water pumps at an unexpectedly rapid rate. The compressor's suction steam is automatically diverted to the Low Pressure Flare (308F-D-1) during an emergency shutdown of the compressor. Monitoring at the refinery permitter was performed and "there was no offsite impact."

Discharge Preventable - No

Unexpected trip of the Coker Compressor due to high level in the first stage suction drum of the compressor.

Notes/Remedial Actions

The compressor was started and brought online as soon as proper levels could be established in the first stage suction drum. An investigation is in process to determine the cause of the high levels in the first stage suction drum (which caused the compressor to trip).