Biomass to H2: Evaluation of the Impact of PV and TES Power Supply on the Performance of an Integrated Bio-Thermo-Chemical Upgrading Process for Wet Residual Biomass

Matteo Baldelli, Lorenzo Bartolucci (), Stefano Cordiner, Giorgio D’Andrea, Emanuele De Maina () and Vincenzo Mulone
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Matteo Baldelli: Department of Industrial Engineering, University of Rome “Tor Vergata”, Via del Politecnico,1, 00133 Rome, Italy
Lorenzo Bartolucci: Department of Industrial Engineering, University of Rome “Tor Vergata”, Via del Politecnico,1, 00133 Rome, Italy
Stefano Cordiner: Department of Industrial Engineering, University of Rome “Tor Vergata”, Via del Politecnico,1, 00133 Rome, Italy
Giorgio D’Andrea: Department of Industrial Engineering, University of Rome “Tor Vergata”, Via del Politecnico,1, 00133 Rome, Italy
Emanuele De Maina: Department of Industrial Engineering, University of Rome “Tor Vergata”, Via del Politecnico,1, 00133 Rome, Italy
Vincenzo Mulone: Department of Industrial Engineering, University of Rome “Tor Vergata”, Via del Politecnico,1, 00133 Rome, Italy

Energies, 2023, vol. 16, issue 7, 1-17

Abstract: The last Intergovernmental Panel on Climate Change (IPPC) assessment report highlighted how actions to reduce CO 2 emissions have not been effective so far to achieve the 1.5 C limit and that radical measures are required. Solutions such as the upgrading of waste biomass, the power-to-X paradigm, and an innovative energy carrier such as hydrogen can make an effective contribution to the transition toward a low-carbon energy system. In this context, the aim of this study is to improve the hydrogen production process from wet residual biomass by examining the advantages of an innovative integration of anaerobic digestion with thermochemical transformation processes. Furthermore, this solution is integrated into a hybrid power supply composed of an electric grid and a photovoltaic plant (PV), supported by a thermal energy storage (TES) system. Both the performance of the plant and its input energy demand—splitting the power request between the photovoltaic system and the national grid—are carefully assessed by a Simulink/Simscape model. The preliminary evaluation shows that the plant has good performance in terms of hydrogen yields, reaching 5.37% kg H2 /kg biomass , which is significantly higher than the typical value of a single process (approximately 3%). This finding demonstrates a good synergy between the biological and thermochemical biomass valorization routes. Moreover, thermal energy storage significantly improves the conversion plant’s independence, almost halving the energy demand from the grid.

Keywords: hydrogen; waste biomass; energy transition; integrated biomass conversion (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2023
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (3)

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