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Accident # | 126826 |
State Police # | 10-3590 |
Accident Date | 2010-10-02 |
Report Date | 2010-10-08 |
Follow-up Date | 0000-00-00 |
Follow-up: | No |
Pollutant | Duration | Point Source | Greenhouse Gas | Criteria Pollutant | Ozone forming chemical | Amount of Release |
Sulfur Dioxide | 45 m | West flare EQT330 | NO | YES | NO | 949.0 pounds |
Accident Classified As:
"During start-up of the HDC [hydrocracker] unit, the amine contactor foamed leading to amine carryover and a high liquid level in the knockout drum which shutdown the recycle hydrogen compressor and triggered depressurizing of the unit to the flare." SO2 release above permitted amounts of 500lbs/hr but below RQs Flame carryover from flaring resulted in a "small" grass fire along the right-of-way of PPG Drive which was extinguished by the Westlake Fire Dept.
"It was not known that the amine contactor had such a severe hydraulic restriction which would result in amine carryover at typical amine circulation rates."
"Amine flow to the contactor has been reduced from typical to prevent recurrence."
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