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Título: | Syngas/H2 production from bioethanol in a continuous Chemical-Looping Reforming prototype |
Autor: | García Labiano, Francisco CSIC ORCID ; García-Díez, Enrique CSIC; Diego Poza, Luis F. de CSIC ORCID ; Serrano Oliván, Anabel CSIC; Abad Secades, Alberto CSIC ORCID ; Gayán Sanz, Pilar CSIC ORCID ; Adánez Elorza, Juan CSIC ORCID ; Ruiz, J. A. C. | Palabras clave: | Hydrogen Chemical-looping reforming Bioethanol CO2 emissions |
Fecha de publicación: | 16-abr-2015 | Editor: | Elsevier BV | Citación: | Fuel Processing Technology 137: 24-30 (2015) | Resumen: | Chemical-looping reforming (CLR) allows H2 production without CO2 emissions into the atmosphere. The use of a renewable fuel, bioethanol, in an auto-thermal CLR process has the advantage to produce H2 with negative CO2 emissions. This work presents the experimental results obtained in a continuously operating CLR unit (1 kWth) using ethanol as fuel. Two NiO-based oxygen carriers were used during more than 50 h of operation. The influence of variables such as temperature, water-to-fuel and oxygen-to-fuel molar ratios was analysed. Full conversion of ethanol was accomplished and carbon formation was easily avoided. A syngas composed of ≈ 61 vol.% H2, ≈ 32 vol.% CO, ≈ 5 vol.% CO2 and ≈ 2 vol.% CH4 was reached at auto-thermal conditions for both materials. Gas composition was closed to the given by the thermodynamic equilibrium. These results demonstrate the technical viability of H2/syngas production by using bioethanol in an auto-thermal CLR process. | Versión del editor: | http://dx.doi.org/10.1016/j.fuproc.2015.03.022 | URI: | http://hdl.handle.net/10261/139972 | DOI: | 10.1016/j.fuproc.2015.03.022 | ISSN: | 0378-3820 |
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Postprint_Fuel Proc Technol 137 (2015) 24-30.pdf | 473,7 kB | Adobe PDF | Visualizar/Abrir |
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