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Phillips 66 (2418), Belle Chasse

Releases of Nitrogen Dioxide

LDEQ Accident Number
Accident Date
Point Source(s) Notes Amount of Release
No LDEQ Reported

FCC Unit #1291
Cause: The FCC Unit #1291 system tripped off-line due to a false airflow alarm.

Followup: No information given

Notes: They claimed they restarted it and it is now safe and secure.
3.2 pounds
No LDEQ Reported

Low Pressure Flare
Cause: The inlet temperature signal increased unexpectedly at the suction drum and the recycle flow rate increased causing the compressor to trip off line due to a high amperage reading fromt eh compressor's motor.

Followup: No

Notes: Operational changes were made immediately to correct the temperature signal at the suction drum and the compressor was restarted.
8.6 pounds

308-F-D-1 Low Pressure Flare
Cause: A 34.5KV lightning arrestor failed at Entergy substation. An insulator also failed on the disconnect switch. The opening of these breakers caused the Coker Compressor to trip off line. The compressor's suction stems is automatically diverted tot he Low Pressure Flare.

Followup: No

Notes: Three arrestors and a failed insulator are being replaced.

FLARE - 308F-D-1 Low Pressure Flare
Cause: A 34.5KV lightning arrestor failed near breaker W5305 (Carlisle #1 Line Bus, and an insulator failed on the disconnect switch on the other side of breaker W5305 (ConocoPhillips # 2 Line Bus). ConocoPhillips Alliance breakers W5305, W5301, W5304 tripped along with Carlisle W6922 breaker. All of these de-energized ConocoPhillips #2 Line to the plant leading to the Coker Compressor to trip off the line. The compressors suction stream was automatically diverted to the Low Pressure Flare (308F-D-1) during the emergency shutdown of the compressor.

Followup: No

Notes: Three arrestors on breaker W3505 were replaced, as well as a failed insulator. Preventive measures are in place, but incidents of this type could not be anticipated by the prevention measures. A further investigation to discover the root cause of the malfunctions is ongoing.
8.3 pounds