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Conference Papers Year : 2011

CO2pipehaz : quantitative hazard assessment for next generation CO2 pipelines

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Abstract

This paper presents an overview of the recently commenced CO(2)PipeHaz project focused on the hazard assessment of CO2 pipelines to be employed as an integral part of the Carbon Capture and Storage (CCS) chain. Funded by the European Commission FP7 Energy programme, the project's objective is to address the fundamentally important and urgent issue regarding the accurate predictions of fluid phase, discharge rate and subsequent atmospheric dispersion during accidental releases from pressurised CO2 pipelines. This information is pivotal to quantifying all the hazard consequences associated with failure of CO2 transportation pipelines forming the basis for emergency response planning and determining minimum safe distances to populated areas. The developments of the state of the art multi-phase heterogeneous discharge and dispersion models for predicting the correct fluid phase during the discharge process will be given special consideration given the very different hazard profiles of CO2 in the gas and solid states. Model validations are based on both small scale controlled laboratory conditions as well as large scale field trials using a unique CCS facility in China, the world's largest CO2 emitter. A cost/benefit analysis will be performed to determine the optimum level of impurities in the captured CO2 stream based on safety and economic considerations. The project will embody the understanding gained within safety and risk assessment tools that can be used for evaluating the adequacy of controls in CO2 pipelines, with best practice guidelines also being developed.
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Dates and versions

ineris-00970926 , version 1 (02-04-2014)

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Haroun Mahgerefteh, Michael Fairweather, Sam Falle, Jens Melheim, Mathieu Ichard, et al.. CO2pipehaz : quantitative hazard assessment for next generation CO2 pipelines. 22. Hazards Symposium "Process safety and environmental protection", Apr 2011, Liverpool, United Kingdom. pp.606-610. ⟨ineris-00970926⟩

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