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Valero (1238), Meraux

LDEQ Accident Report

Accident #118251
State Police #09-05357
Accident Date2009-09-27
Report Date 2009-10-05
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 Dioxide4.2 hr#2 SRU incineratorNOYESNO159.0 pounds

Accident Classified As:

Cause of Problem: Start Up, Shut Down

Automatic safety shutdown of #2 Sulfur Recovery Unit due to hydrocarbon breakthrough into the unit. Attempted to re-start the unit because had to bypass acid gas around #2 Tail Gas Treater which resulted in emissions. A second attempt to start up was successful but also required a bypass which results in further emissions.

Discharge Preventable - Not Applicable

Notes/Remedial Actions

RQ not exceeded. Gas bypasses were secured in both cases. Refinery followed propr procedures and appropriate repairs will be done on the unit.