Investigating The Potential Of Recycling Flared Hydrocarbon Gas In An Industrial Burner

Abstract

Flare gas is considered a global environmental concern. Flaring contributes to wasting limited material and energy resources, economic loss and greenhouse gas emissions. Utilizing flared gas as fuel feed to industrial cracking furnaces grants advantages in terms of fuel economy and emissions reduction. This work presents the results obtained by ANSYS fluent simulation of a flared hydrocarbon gas utilized in a steam cracking furnace of ethylene process. The work focused on simulating the flue gas side in a steam cracking furnace of the ethylene process when combusting hydrocarbons flare gas. The flared stream assumed to be inlet from both primary and secondary staged fuel nozzles. The simulation results illustrate the detailed temperature profiles along the furnace flue gas side. It also investigates the influence of flare stream composition and Wobbe Index (WI) influence on temperature profile