June 2002

Environment/Loss Prevention

Minimize flaring with flare gas recovery

To reduce facility-wide air emission, a refinery retrofitted the flare system and reuses waste gas as fuel gas

Brendel, R., Jacobs Consultancy; Fisher, K., Trimeric Corp.; Brennan, D., John Zink Co. LLC; Fisher, P. W., Lion Oil Co.

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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