Article (Scientific journals)
Life cycle performance of hydrogen production via agro-industrial residue gasification-a small scale power plant study
Hamedani, S. R.; Villarini, M.; Colantoni, A. et al.
2018In Energies, 11 (3)
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Keywords :
Biomass gasification; Environmental impact; Hydrogen production; Life cycle assessment; Biomass; Environmental management; Gasification; Global warming; II-VI semiconductors; Internal combustion engines; Sensitivity analysis; Water gas shift; Zinc oxide; Agro-industrial residue; Environmental charges; Environmental performance; Global warming potential; Life Cycle Assessment (LCA); Life-cycle performance; Photochemical oxidation; Life cycle
Abstract :
[en] This study evaluates the environmental profile of a real biomass-based hydrogen production small-scale (1 MWth) system composed of catalytic candle indirectly heated steam gasifier coupled with zinc oxide (ZnO) guard bed, water gas shift (WGS) and pressure swing absorber (PSA) reactors. Environmental performance from cradle-to-gate was investigated by life cycle assessment (LCA) methodology. Biomass production shows high influence over all impact categories. In the syngas production process, the main impacts observed are global warming potential (GWP) and acidification potential (AP). Flue gas emission from gasifier burner has the largest proportion of total GWP. The residual off gas use in internal combustion engine (ICE) leads to important environmental savings for all categories. Hydrogen renewability score is computed as 90% due to over 100% decline in non-renewable energy demand. Sensitivity analysis shows that increase in hydrogen production efficiency does not necessarily result in decrease in environmental impacts. In addition, economic allocation of environmental charges increases all impact categories, especially AP and photochemical oxidation (POFP). © 2018 by the authors.
Disciplines :
Energy
Author, co-author :
Hamedani, S. R.;  Department of Astronautics, Electrical and Energy Engineering, Sapienza University, Rome, 00184, Italy
Villarini, M.;  Department of Agricultural and Forestry Sciences, Tuscia University of Viterbo, Via San Camillo de Lellis, snc, Viterbo, 01100, Italy
Colantoni, A.;  Department of Agricultural and Forestry Sciences, Tuscia University of Viterbo, Via San Camillo de Lellis, snc, Viterbo, 01100, Italy
Moretti, Michele ;  Universiteit Hasselt - UH > Business Economics > Environmental Economics
Bocci, E.;  Department of Innovation and Information Engineering, Marconi University, Rome, 00193, Italy
Language :
English
Title :
Life cycle performance of hydrogen production via agro-industrial residue gasification-a small scale power plant study
Publication date :
2018
Journal title :
Energies
ISSN :
1996-1073
Publisher :
MDPI AG
Volume :
11
Issue :
3
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 11 April 2019

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