Consequence Analysis of Flammable Chemical Releases from a Pipeline

Consequence analyses of hazardous chemical releases, as a part of risk assessment process, are very important for emergency response planning. The outcomes of the release of chemicals are influenced by the degree of turbulence in the atmosphere. In this study, consequence of 1,3-butadiene releases of pipeline in a petrochemical zone due attention of high flammability effects selected for modeling using ALOHA software. Furthermore, the threshold levels of heat radiation and the probability of death were calculated using probit equation. Finally, the flammable area of vapor cloud, and the threat zone of jet fire and pool fire in different stability classes were estimated. The results showed that the threat zones in the different fire models were severely influenced by the atmospheric stability classes. Thus, considering the possible consequences of chemical substance release and air stability class are necessary in emergency response planning.