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Alon Refining (3116), Krotz Springs
Causal Factor: Process Upset
| LDEQ Accident Number Accident Date |
Point Source(s) | Notes | Amount of Release |
| 111872 2009-01-07 | FCC Flare 5-85 | Cause: Incident occurred when a line plugged causing the pressure relief system to divert ATS acid gas to the FCC Flare. Followup: Notes: Full RCA to be completed by 3/7/09 | Sulfur Dioxide: 11,067.0 pounds |
| 131573 2011-06-02 | None Reported | Cause: Alon Refinery notified SPOC of a planned start up the facility scheduled for 6/2/11 as a precautionary measure due to the potential to exceed reportable quantities into the air during start up. Followup: No Notes: The letter confirms that no reportable quantity air releases associated with the start up occurred, and notification was for courtesy purposes only. No information as to what was released, if anything, or quantities of anything that may have been released. | |
| 138331 2012-03-25 | FLARE: FCCU flare FCCU regenerator stack | Cause: A leak in a slurry pump caused a flash fire and triggered the shutdown of the FCCU and associated units. Safety reliefs vented to the FCC Unit flare. Followup: No Notes: The flash fire was extinguished. Safety devices functioned until units were fully down. | Sulfur Dioxide: 797.0 pounds Hexane: 319.5 pounds Carbon Monoxide: 2,463.6 pounds Nitrogen Oxide: 452.8 pounds Volatile Organic Compounds (VOCs): 5,144.0 pounds Hydrogen Sulfide: 31.6 pounds Particulate Matter: 30.1 pounds Ethylene: 277.3 pounds Propylene: 1,178.6 pounds |
| 151752 2013-10-21 | FCCU Flare | Cause: 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. Followup: No Notes: Once the ATS unit was stable, the Amine Reflux drum drain was closed to the flare. | Sulfur Dioxide: 1,012.0 pounds |
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