期刊
PROCESS SAFETY AND ENVIRONMENTAL PROTECTION
卷 92, 期 6, 页码 598-615出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.psep.2013.06.002
关键词
Inherently Safer Design; Quantitative Risk Assessment; Process optimization; Storage installations; Domino effect; Land Use Planning
资金
- Spanish Ministry of Education and Science [CTQ2011-27285]
- Autonomous Government of Catalonia [2009SGR1118]
Four strategies can be used to achieve safety in chemical processes: inherent, passive, active and procedural. However, the strategy that offers the best results is the inherent safety approach, especially if it is applied during the initial stages of a project. Inherently Safer Design (ISD) permanently eliminates or reduces hazards, and thus avoids or diminishes the consequences of incidents. ISD can be applied using four strategies: substitution, minimization, moderation and simplification. In this paper, we propose a methodology that combines ISD strategies with Quantitative Risk Assessment (QRA) to optimize the design of storage installations. As 17% of major accidents in the chemical industry occur during the storage process and cause significant losses, it is essential to improve safety in such installations. The proposed method applies QRA to estimate the risk associated with a specific design. The design can then be compared to others to determine which is inherently safer. The risk analysis may incorporate complex phenomena such as the domino effect and possible impacts on vulnerable material and human elements. The methodology was applied to the San Juanico tragedy that occurred in Mexico in 1984. (C) 2013 The Institution of Chemical Engineers. Published by Elsevier B.V. All rights reserved.
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