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PSAM 16 Conference Paper Overview

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Lead Author: Stefania Benucci Co-author(s): Enrico Casu ecasu@aurigaconsulting.it Andrea Mancini amancini@aurigaconsulting.it
A new simplified methodology for Quantitative Risk Assessment of Carbon Capture and Storage Plant
Currently the most quantitative risk assessment performed for Carbon Capture and Storage Project neglected several known consequences, as well as cryogenic effects, visibility issues, focusing only on toxicological characteristics of carbon dioxide. In this paper, we would like to present as the absolutely not negligible contribution related to cryogenic effects and visibility issues can significantly change the results in terms of risk for personnel, people and assets, proposing a new simplified methodology for performing quantitative risk assessment capable to take into account all the facets of phenomena consequent from carbon dioxide releases (only with the use of PHAST software for consequences evaluation). In fact, contact of equipment with solid carbon dioxide created during the release when temperature and pressure fallen below the triple point can lead to significant domino effect due to structural embrittlement. Cold burns and visibility issues can increase the risk for people related to carbon dioxide, because the damage distances associated to toxicological effects can be lower than damage distances linked to escape ways impairment and potential personnel injuries.

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