Risk Analysis Using HAZOP -Fault Tree - Event Tree Methodology Case Study: Naphta Stabilizer-A Reflux Drum (LPG separation) in RA1K
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Date
2020-06-01
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ALGERIAN JOURNAL OF SIGNALS AND SYSTEMS (AJSS) .Vol. 5, Issue 2.pp 98-105
Abstract
the purpose of this work is the risk assessment of a stabilizer reflux drum using HAZOP - Fault
tree - Event tree approach. This risk assessment approach aims first of all to identify potential accident
scenarios using Hazard an Operability study (HAZOP), these scenarios need more detailed frequencies
estimation, it is performed thanks to fault tree analysis. Then, to analyze events issuing after success or fail of
safety barriers, the event tree is used. Finally, in order to better appreciate accident scenarios, ALOHA is
utilized to simulate them.