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Carbon capture technologies offer a promising midterm solution to reduce emissions in the maritime sector, with cryogenic methods proving to be energy efficient as they include the liquefaction of CO₂ in the process, as opposed to the other technologies. Comparing different carbon capture (CC) technologies is challenging due to variations in CO₂ purity, state, and storage requirements. This study analyzes techno-economic, environmental, and societal factors in a multicriteria analysis (MCA) to make a decision on the most favorable technology to be implemented onboard. The influential parameters are identified via PESTEL analysis, and their relevancy was determined by taking into account the point of view of stakeholders from different backgrounds, such as academic, industrial, and commercial. The MCA performed revealed that a combination of membrane and cryogenic technologies could become a suitable solution to decarbonize the maritime sector.

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Multicriteria Analysis as a Decision-Making Tool for Carbon Capture Technologies in the Shipping Sector

  • 章节

  • 发表日期：

    2026年

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  • X. Placer,
  • P. Karka,
  • P. V. Aravind

摘要

Carbon capture technologies offer a promising midterm solution to reduce emissions in the maritime sector, with cryogenic methods proving to be energy efficient as they include the liquefaction of CO₂ in the process, as opposed to the other technologies. Comparing different carbon capture (CC) technologies is challenging due to variations in CO₂ purity, state, and storage requirements. This study analyzes techno-economic, environmental, and societal factors in a multicriteria analysis (MCA) to make a decision on the most favorable technology to be implemented onboard. The influential parameters are identified via PESTEL analysis, and their relevancy was determined by taking into account the point of view of stakeholders from different backgrounds, such as academic, industrial, and commercial. The MCA performed revealed that a combination of membrane and cryogenic technologies could become a suitable solution to decarbonize the maritime sector.