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Chalmette Refining (1376), Chalmette
LDEQ Accident Report
| Accident # | 91273 |
| State Police # | 06-06346 |
| Accident Date | 2006-10-10 |
| Report Date | 2006-10-17 |
| 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 |
| Nitrogen Dioxide | 78 h 20 m | Thermal Oxidizer and Flare 1 - AE-AOA-05-0109 EPN 46 | NO | YES | YES | 352.0 pounds |
| Hydrogen Sulfide | 78 h 20 m | Thermal Oxidizer and Flare 1 - AE-AOA-05-0109 EPN 46 | NO | NO | NO | 2,917.0 pounds |
| Nitrogen Oxide | 78 h 20 m | Thermal Oxidizer and Flare 1 - AE-AOA-05-0109 EPN 46 | NO | YES | YES | 3,198.0 pounds |
| Sulfur Dioxide | 78 h 20 m | Thermal Oxidizer and Flare 1 - AE-AOA-05-0109 EPN 46 | NO | YES | NO | 1,068,405.0 pounds |
Accident Classified As:
Cause of Problem: Process Upset
Discharges came from THOX and Flare 1. The Amine and Sulfur Recovery Units were upset. It was determined that hydrocarbons contaminated the Diglycolamine (DGA¨) and required both units to be taken offline. The upset caused excess emissions from the SRU 1 Thermal Oxidizer (THOX). Sulfer Plant feed was diverted to the refinery safety flare system while the conditions which cause the upset were isloated and remedied. CRLLC reduced the rates of acid gas productin units to minimum and lowered total sufer content of remaining feed, within refinery capability.
Discharge Preventable -
Notes/Remedial Actions
CITIZEN COMPLAINT COINCIDES WITH INCIDENT - all acid gas producing units were cut back to minimum rates. The source of hydrocarbon in the DGA system was isolated and then purged. The refinery has initiated an investigation into the cause of this incident. Based on the result of that investigation, appropriate measures will be take in order to prevent a recurrence dut ot the same cause.
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