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Calumet Lubricants 1 (1224), Princeton

Causal Factor: Process Upset

LDEQ Accident Number
Accident Date
Point Source(s) Notes Amount of Release

Hydrocal Unit No. 1 Flare (PH-25)
Hydrocal Unit No. 1 Flare (PH-25
Cause: Fire at the molten sulfur storage pit caused a by-pass of acid gas from the Sulphur Recovery Unit to the flare during an emergency shutdown of the SRU and hydrotreater. Steam and nitrogen lines into the pit to snuff the fire and water for cooling surrounding structures.


Notes: Fire extinguished and SRU brought back online.
Sulfur Dioxide: 465.0 pounds
Hydrogen Sulfide: 10.0 pounds

Asphalt Heating Chamber
Cause: LDEQ reports states that inspector "arrived at Calumet Refinery in Princeton, La. at 15:05 on 2/12/2012. Talked to Mr. Grady Lee, Calumet Safety Supervisor, and got details. Near the end of an asphalt reduction process some of the fraction gas escaping the boiler were back-pressured into the asphalt heating chamber (1600 to 1700 degrees Centigrade) and caught fire at about 1405. FIRE.

Followup: No

Notes: Report states that "The fire was contained within the vessel and was quenched with steam jets at about 15:00. There was no damage done to the fixtures, no explosion, and no injuries. Since the process was near shutdown time anyway, the operation was stopped. Black smoke was briefly emitted during the fire but stopped when the fire was put out."