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- Title
Techno-Environmental Analysis of the Use of Green Hydrogen for Cogeneration from the Gasification of Wood and Fuel Cell.
- Authors
Gonzalez-Diaz, Abigail; Sánchez Ladrón de Guevara, Juan Carlos; Jiang, Long; Gonzalez-Diaz, Maria Ortencia; Díaz-Herrera, Pablo; Font-Palma, Carolina; Pant, Deepak
- Abstract
This paper aims to evaluate the use of wood biomass in a gasifier integrated with a fuel cell system as a low carbon technology. Experimental information of the wood is provided by the literature. The syngas is purified by using pressure swing adsorption (PSA) in order to obtain H2 with 99.99% purity. Using 132 kg/h of wood, it is possible to generate 10.57 kg/h of H2 that is used in a tubular solid oxide fuel cell (TSOFC). Then, the TSOFC generates 197.92 kW. The heat generated in the fuel cell produces 60 kg/h of steam that is needed in the gasifier. The net efficiency of the integrated system considering only the electric power generated in the TSOFC is 27.2%, which is lower than a gas turbine with the same capacity where the efficiency is around 33.1%. It is concluded that there is great potential for cogeneration with low carbon emission by using wood biomass in rural areas of developing countries e.g., with a carbon intensity of 98.35 kgCO2/MWh when compared with those of natural gas combined cycle (NGCC) without and with CO2 capture i.e., 331 kgCO2/MWh and 40 kgCO2/MWh, respectively. This is an alternative technology for places where biomass is abundant and where it is difficult to get electricity from the grid due to limits in geographical location.
- Subjects
FUELWOOD; FUEL cells; SOLID oxide fuel cells; COGENERATION of electric power &; heat; ELECTRIC power; CARBON emissions
- Publication
Sustainability (2071-1050), 2021, Vol 13, Issue 6, p3232
- ISSN
2071-1050
- Publication type
Article
- DOI
10.3390/su13063232