Work

Uncertainty in climate change impacts in Danish straw and digestate pyrolysis systems

Year: 2025

Type: article

Abstract: e with GWP100 per ton wet feedstock, respectively. The approach applied to assess uncertainty in this study allows for detailed understanding of the driving mechanisms of climate impacts in the modelled systems. While the relative uncertainty in straw pyrolysis net impact is low, relative digestate pyrolysis net impact uncertainty is substantial. The digestate dewatering process and storage methane emissions are the main sources of uncertainty and are the primary areas with potential for optimization. The results indicate a substantial improvement potential for full system optimization. Efficient harvesting of dry matter and carbon for pyrolysis in dewatering is critical while ensuring that benefits are not offset by increased storage emissions from the resulting liquid fraction.

Source: The Science of The Total Environment

DOI: 10.1016/j.scitotenv.2025.179768

Authors: M.B. Karlsson, A. Kamp, T.P. Thomsen

Institution: Roskilde University

Language: English

Topic: Thermochemical Biomass Conversion Processes

Subfield: Biomedical Engineering

Field: Engineering

Domain: Physical Sciences

SDGs: Responsible consumption and production, Climate action, Affordable and clean energy, Zero hunger

Open Access status: hybrid

Estimated APC paid: $4,250