Achieving Negative Emissions: Integration of Sugarcane Crop, Ethanol Biorefinery, Post-Combustion Capture and CO₂ Pipeline for Enhanced Oil Recovery

Abstract:

Every day huge amounts of CO₂ are released into the atmosphere by enterprises such as biorefineries. In this context, the present work proposes a plausible scenario where a large-scale sugarcane-based biorefinery capture over 92% of its CO₂ emissions to be used as enhanced oil recovery (EOR) agent. The study is based on the integration of sugarcane crop–large-scale ethanol biorefinery–post-combustion capture–CO₂ pipeline to EOR. As results, the plant obtained a CO₂ recover of 91.3% from post-combustion capture, allowing export 5.29 MM tCO₂/y. Basic revenues of this project came from ethanol production, electricity sales, and EOR. In addition, four scenarios were investigated considering incomes from the handling of the captured CO₂. All scenarios were evaluated in terms of the use of 1 and 2 bbl/tCO₂ for EOR, leading to the conclusion that long-term economic sustainability can be assured only for some scenarios and mainly above 2 bbl/tCO2.

• Periodical: Materials Science Forum (Volume 965)
• Pages: 39-48
• DOI: https://doi.org/10.4028/www.scientific.net/MSF.965.39
• Online since: July 2019
• Authors: Hudson Bolsoni Carminati*, Raquel de F. Dias Milão, Ofélia de Queiroz Fernandes Araújo, José Luiz de Medeiros
• Keywords: Bio-Energy with Carbon Capture, Bio-Energy with Carbon Storage, Bioethanol Production, CO₂ Pipeline, Enhanced Oil Recovery, Negative Emissions, Post-Combustion Capture

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