To reduce facility-wide air emission, a refinery retrofitted the flare system and reuses waste gas as fuel gas
An Arkansas refinery operates two elevated flares -
one for low-pressure service and another for high-pressure
service. Through combustion, the flares safely dispose of
waste gas (flare gas). In refinery operations, flammable
waste gases are vented from processing units during process
upsets and normal operation. These waste gases are collected
in piping headers and delivered to a flare system for safe
disposal. While the primary function of flares is to protect
the facility, employees and the surrounding environment,
flaring gases creates trade-off emissions, such as nitrogen
oxides (NOx), sulfur oxides (SOx) and
g
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