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ExxonMobil Chemical Plant (286), Baton Rouge

LDEQ Accident Report

Accident #129163
State Police #11-00717
Accident Date2011-02-09
Report Date 2011-02-16
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
1,3-Butadiene23h 43mBELA-5 1,3-Butadiene UnitNONOYES121.0 pounds

Accident Classified As: Reportable Quantity

Cause of Problem: Equipment Failure

Approximately 121 pounds of 1,3-Butadiene was released from the BELA-5 unit after a compressor tripped, causing an unplanned shutdown. The compressor trip was caused by a significant fouling incident on both parallel feed filters. The unit's solvent balance was disrupted when the filters fouled, and the compressor tripped due to a high suction drum level.

Discharge Preventable - No Information Given

Notes/Remedial Actions

Material was routed to the flare per design. The unit was shutdown and multiple filters were cleaned.