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Alon Refining (3116), Krotz Springs
LDEQ Accident Report
| Accident # | 151752 |
| State Police # | 13-04698 |
| Accident Date | 2013-10-21 |
| Report Date | 2013-10-28 |
| 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 Dioxide | 5 h at above RQ limit | FCCU Flare | NO | YES | NO | 1,012.0 pounds |
Accident Classified As: Reportable Quantity
Cause of Problem: Process Upset
Hydrocarbon carryover from the Amine Unit to the Ammonium Thiosulfate Unit (ATS) cause the ATS incinerators to reach an unsafe operational temperature. Therefore, to stabilize the ATS incinerators and downstream equipment, the Amine Reflux drum was drained to the flare causing an increase in Sulfur Dioxide emissions from the flare.
Discharge Preventable - No Information Given
Notes/Remedial Actions
Once the ATS unit was stable, the Amine Reflux drum drain was closed to the flare.
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