It is well known that in early design the process hazards, as well as the hazards associated to lay-out issues, may be effectively reduced by proper design solutions. In this stage of process design, a simplified and straightforward approach to the quantitative assessment of inherent safety and escalation hazard may be a suitable tool to provide guidelines for proper design choices. In the present study a specific methodology was developed for the comparison among different process alternatives under the inherent safety point of view, focusing on escalation hazard analysis. The methodology allows the calculation of key performance indicators (KPIs), quantifying both potential and inherent hazards, also related to escalation hazard, and addressing the identification of the less hazardous among possible process alternatives. In order to test the methodology, some case studies were defined, focusing on hydrogen storage technologies. The commercial and available process schemes were compared with innovative ones. Critical elements and safety distances necessary to prevent escalation effects were identified.
The assessment of inherent safety and escalation hazard in the early stage design of hydrogen storage plants
2008
8 Seiten, 2 Bilder, 3 Tabellen, 14 Quellen
Conference paper
Storage medium
English
Inherent safety key performance indicators for hydrogen storage systems
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