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https://doi.org/10.22382/bpb-2024-003

Bioenergy Discourse: A Comparison Across Media and Technologies

Dec 26, 2024
BioProducts Business
Rawie Elnur +1 more

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This study compares the discourse surrounding bioenergy with carbon capture and storage (BECCS) and sustainable aviation fuel (SAF) across two media: social media and academic literature.Through an automated content analysis of Twitter/X posts (n = 11,314) and peer-reviewed articles (n = 140), we identified significant differences in the prevalence of techno-optimism, techno-skepticism, and engagement with critical issues related to socio-environmental impacts and technological uncertainty for these bioproducts.The findings reveal that social media content is generally more optimistic and less critical of these technologies compared to the academic literature, with a notable lack of discussion on the potential social and environmental consequences.Furthermore, our analysis highlights a greater polarization of views in relation to BECCS, with both techno-optimism and techno-skepticism being more prominent across both media.The study emphasizes the importance of effective science communication, balanced evaluations of risks and benefits, and closer collaboration between academia and businesses to foster a more informed and nuanced discourse on disruptive technologies in the bioeconomy.Our findings also emphasize the need for scholars and businesses operating in the biomaterials and bioproducts industry to adopt a critical approach to media literacy.

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Bioenergy with carbon capture and storage (BECCS) potential in jet fuel production from forestry residues: A combined Techno-Economic and Life Cycle Assessment approach

Feb 16, 2022
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Maria Fernanda Rojas Michaga + 6 more

In this study, the economic and environmental feasibility of a process configuration based on the Bioenergy and Carbon Capture and Storage (BECCS) concept is assessed. The research analyses the production of jet fuel from forestry residues-derived syngas via the Fischer-Tropsch (FT) technology. Further, the CO2 removed in the syngas cleaning section is not released to the environment, instead it is permanently sequestrated. The produced Sustainable Aviation Fuel (SAF) has the potential to achieve negative emissions. The present research is a one-of-a-kind study for the jet fuel production within the BECCS concept. The process has been modelled within the Aspen Plus and Matlab software to obtain detailed and realistic mass and energy balances. Based on these balances, the technical, economic and environmental parameters have been calculated. Based on a plant that treats 20 dry-t/h of forest residues, 1.91 t/h of jet fuel are produced, while 11.26 t/h of CO2 are permanently stored. The inclusion of the CCS chain in the biorefinery increase the minimum jet fuel selling price from 3.03 £/kg to 3.27 £/kg. The LCA results for global warming show a favourable reduction in the BECCS case, in which negative emissions of −121.83 gCO2eq/MJ of jet fuel are achieved, while without CCS case exhibits GHG emissions equal to 15.51 gCO2eq/MJ; in both cases, the multi-functionality is faced with an energy allocation approach. It is, then, evident the significant environmental advantages of the BECCS process configuration. Nevertheless, financial feasibility can only be attained through the implementation of existing policy schemes and the formulation of new strategies that would reward negative emissions. The application of the UK’s policy “Renewable Transport Fuel Obligation” and a hypothetical scheme that rewards negative CO2 emissions, breaks-even the Minimum Jet fuel Selling Price (MJSP) at 1.49 £/kg for a certificate and carbon price of 0.20 £/certificate and 246.64 £/tonne of CO2.

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