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Phillips 66 (2418), Belle Chasse

LDEQ Accident Report

Accident #99785
State Police #07-3336
Accident Date2007-09-27
Report Date 2007-10-04
Follow-up Date 2007-10-08
Follow-up: Yes

Pollutants Released

Pollutant Duration Point Source Greenhouse Gas Criteria Pollutant Ozone forming chemical Amount of Release
Sulfur Dioxide6 h 13 m308F-D1 Low Pressure FlareNOYESNO683.8 pounds
Hydrocarbon6 h 13 m308F-D1 Low Pressure FlareNONOYES42.9 pounds
Hydrogen Sulfide6 h 13 m308F-D1 Low Pressure FlareNONONO6.9 pounds
Nitrogen Oxide6 h 13 m308F-D1 Low Pressure FlareNOYESYES4.5 pounds

Accident Classified As:

Cause of Problem: Equipment Failure

The Delayed Coking Unit was in hot circulation and preparing for startup after unexpectedly losing its coke cutting water pumps and its compressor (891 K-1) tripped off line due to high liquid level in the compressor suction drum 891-V-12, unexpectedly carried over to V-15. The compressor's suction stream is automatically diverted to the Low Pressure Flare during an emergency shutdown.

Discharge Preventable - No

Refinery claims that the high level in the compressor suction drum was not anticipated.

Notes/Remedial Actions

Investigation to determine the cause of liquid carryover from the Delayed Coking Unit combination tower overhead drum. The refinery claims that there was no offsite impact.