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<p>Carbon capture and storage (CCS) stands as a vital tool in combating climate change, yet its widespread adoption depends on robust decision-support frameworks to guide investments. This study aimed to analyse risks and conduct a preliminary sustainability evaluation of three CCS technologies to support informed decision-making. The technologies considered in this comparative analysis belong to the companies DeCARB, Carbon Clean, and Carbon Engineering. The assessment was performed via multi-criteria decision analysis, which enables the concurrent assessment of environmental, social, economic, and engineering indicators, using Excel and RISK Simulator software. The validation of the methodology demonstrated its adequacy and ability to provide a satisfactory interpretation of the results. The results of the analysis of the CCS technologies showed a preference for the Compact Capture System for Greenhouse Gas Sequestration technology owned by DeCARB. The findings demonstrate the model's adaptability in ranking CCS technologies, with DeCARB's SiCSeGE emerging as the preferred option due to its balanced performance across sustainability metrics.</p>

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Application of an assessment model to support sustainable decision making: a case study of CCS technologies

  • 期刊论文

  • 发表日期：

    2025年6月19日

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  • Arthur Esteves da Costa Mothé Barreto,
  • José Jailton Marques,
  • Flávio Pietrobon Costa,
  • Inaura Carolina Carneiro da Rocha

摘要

Carbon capture and storage (CCS) stands as a vital tool in combating climate change, yet its widespread adoption depends on robust decision-support frameworks to guide investments. This study aimed to analyse risks and conduct a preliminary sustainability evaluation of three CCS technologies to support informed decision-making. The technologies considered in this comparative analysis belong to the companies DeCARB, Carbon Clean, and Carbon Engineering. The assessment was performed via multi-criteria decision analysis, which enables the concurrent assessment of environmental, social, economic, and engineering indicators, using Excel and RISK Simulator software. The validation of the methodology demonstrated its adequacy and ability to provide a satisfactory interpretation of the results. The results of the analysis of the CCS technologies showed a preference for the Compact Capture System for Greenhouse Gas Sequestration technology owned by DeCARB. The findings demonstrate the model's adaptability in ranking CCS technologies, with DeCARB's SiCSeGE emerging as the preferred option due to its balanced performance across sustainability metrics.