Nader Nabhani - The Professor of Petroleum University of Technology (PUT)
Nazanin Gholami - The Student of Master of Chemistry Engineering-HSE, PUT, Abadan

To avoid the risk of industrial, it is essential that industrial facilities were examined in terms of consequences ofaccident scenarios based on risk assessment.Release of toxic, flammable and dangerous materials in chemical process industries is one of the hazards for workingpeople and residents around these industries and has been harmful to the environment. Propane and butane are one ofthe most hazardous substances in these industries.In this study we are resolution to Modeling and evaluation of Gas dispersion, Jet fire and Explosion of Propane andButane Storage tank from Refrigeration unit from the Gas Refinery Phase 15 & 16 south pars gas field developmentproject using PHAST software in worst case.The results show with increasing the wind speed, thermal radiation due to the ignition of mixture gas will be reduced.They also show that when the mixture is in liquid phase, the consequence of jet fire will be more intense than the gasphase of mixture but explosion senario for both the gas and liquid parts will be almost identical.

Consequence Modeling, PHAST, jet fire, Explosion, Gas dispersion