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Article

Empirical Validation of a Biogas Plant Simulation Model and Analysis of Biogas Upgrading Potentials †

Center for Electric Power and Energy, Department of Electrical Engineering, Technical University of Denmark (DTU), Risø Campus, 4000 Roskilde, Denmark
*
Author to whom correspondence should be addressed.
This paper is an extended version of our paper published in the Proceedings of the 2020 55th International Universities Power Engineering Conference (UPEC), Turin, Italy, 1–4 September 2020.
Academic Editor: Gianfranco Chicco
Energies 2021, 14(9), 2424; https://doi.org/10.3390/en14092424
Received: 26 March 2021 / Revised: 16 April 2021 / Accepted: 17 April 2021 / Published: 24 April 2021
Biogas plants may support the transformation towards renewable-based and integrated energy systems by providing dispatchable co-generation as well as opportunities for biogas upgrading or power-to-X conversion. In this paper, a simulation model that comprises the main dynamics of the internal processes of a biogas plant is developed. Based on first-order kinetics of the anaerobic digestion process, the biogas production of an input feeding schedule of raw material can be estimated. The output of the plant in terms of electrical and thermal energy is validated against empirical data from a 3-MW biogas plant on the Danish island of Bornholm. The results show that the model provides an accurate representation of the processes within a biogas plant. The paper further provides insights on the functioning of the biogas plant on Bornholm as well as discusses upgrading potentials of biogas to biomethane at the plant from an energy perspective. View Full-Text
Keywords: anaerobic digestion; biogas; biogas upgrading; CHP; electrical energy; modeling; multi-energy system; thermal energy; validation anaerobic digestion; biogas; biogas upgrading; CHP; electrical energy; modeling; multi-energy system; thermal energy; validation
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MDPI and ACS Style

Zepter, J.M.; Engelhardt, J.; Gabderakhmanova, T.; Marinelli, M. Empirical Validation of a Biogas Plant Simulation Model and Analysis of Biogas Upgrading Potentials. Energies 2021, 14, 2424. https://doi.org/10.3390/en14092424

AMA Style

Zepter JM, Engelhardt J, Gabderakhmanova T, Marinelli M. Empirical Validation of a Biogas Plant Simulation Model and Analysis of Biogas Upgrading Potentials. Energies. 2021; 14(9):2424. https://doi.org/10.3390/en14092424

Chicago/Turabian Style

Zepter, Jan Martin, Jan Engelhardt, Tatiana Gabderakhmanova, and Mattia Marinelli. 2021. "Empirical Validation of a Biogas Plant Simulation Model and Analysis of Biogas Upgrading Potentials" Energies 14, no. 9: 2424. https://doi.org/10.3390/en14092424

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