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oa Net Carbon Benefits of Negative Emission Technologies in Selected Industrial Appliactions
- Publisher: European Association of Geoscientists & Engineers
- Source: Conference Proceedings, World CCUS Conference 2025, Sep 2025, Volume 2025, p.1 - 5
Abstract
This study explores the Carbon Return on Investment (CROI) ratio—a metric assessing the efficiency of carbon sequestration relative to the gross emissions from CCUS infrastructure—in the context of industrial clusters. Specifically, it investigates how substituting fossil fuels with renewable fuels like biomethane and biomass, alters the CROI value and enhances net carbon benefits. We provide a useful indication of the benefits stemming from the use of renewable fuels in two industrial sites, representing steam reforming plant and cement plant, potentially connectable to the CCUS network. The integration of biomethane and biomass enhances the CROI ratio, particularly when capture and transport infrastructure leverages renewable energy, reducing emissions and amplifying sequestration efficiency. The CROI values range from 6.6–13.3 across scenarios, and the net carbon benefits are markedly higher with renewable fuels compared to their baseline characteristics. The adoption of renewable fuels, potentially enabling negative emissions when paired with carbon capture processes, could redefine the environmental performance of industrial clusters, aligning with climate neutrality targets under initiatives like the EU Clean Industrial Deal.
