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Identification of Critical Risk Factors in Carbon Capture and Storage (CCS) Projects.

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Risk Analysis : an Official Publication of the Society for Risk Analysis
|November 4, 2025
PubMed
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Identifying critical risk factors in carbon capture and storage (CCS) projects is crucial. Inadequate safety systems and training are key drivers of risk propagation, while interventions can mitigate these risks.

Keywords:
CCSrisk factor interaction networkrisk propagationsafety management

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Area of Science:

  • Industrial Safety
  • Risk Management
  • Chemical Engineering

Background:

  • Carbon capture and storage (CCS) projects face complex risks.
  • Existing research often overlooks risk factor interactions.
  • A comprehensive understanding of risk propagation is needed for effective safety management.

Purpose of the Study:

  • To identify critical risk factors and their interactions in CCS projects.
  • To analyze the impact of these factors on risk propagation dynamics.
  • To provide actionable insights for enhancing CCS safety management.

Main Methods:

  • Literature review, accident report analysis, and expert interviews to identify 36 risk factors and 6 common accidents.
  • Construction of a CCS risk factor interaction network.
  • Topological analysis to identify critical nodes.
  • Susceptible-Infected-Recovered (SIR) model-based simulations to analyze risk propagation.

Main Results:

  • Incomplete safety systems, inadequate supervision, and training identified as critical driving nodes for risk propagation.
  • Equipment overload, adverse weather, and improper emergency handling identified as critical bridge nodes that can suppress propagation.
  • Risk intervention, propagation rate, and recovery rate significantly influence the scale and duration of risk diffusion.

Conclusions:

  • Targeted interventions at critical driving and bridge nodes can enhance CCS project resilience.
  • Understanding network topology and dynamic parameters is vital for proactive safety management.
  • This study offers a novel approach to CCS risk analysis and mitigation strategies.