Conventional and microwave induced pyrolysis of coffee hulls for the production of a hydrogen rich fuel gas

Conventional and microwave induced pyrolysis of coffee hulls for the production of a hydrogen rich fuel gas

8 pages, 1 figure, 5 tables. -- Available online 12 September 2006. -- Issue title: PYROLYSIS 2006: Papers presented at the 17th International Symposium on Analytical and Applied Pyrolysis (Budapest, Hungary, 22-26 May 2006)

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Main Authors: Domínguez Padilla, Antonio, Menéndez Díaz, José Ángel, Fernández Díez, Yolanda, Pis Martínez, José Juan, Nabais, J. M. Valente, Carrott, P. J. M., Ribeiro Carrott, M. M. L.
Format: artículo biblioteca
Language:English
Published: Elsevier 2007-05
Subjects:Microwaves, Pyrolysis, Coffee hulls, Hydrogen, Syngas,
Online Access:http://hdl.handle.net/10261/11544
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spelling dig-incar-es-10261-115442022-01-04T11:09:42Z Conventional and microwave induced pyrolysis of coffee hulls for the production of a hydrogen rich fuel gas Domínguez Padilla, Antonio Menéndez Díaz, José Ángel Fernández Díez, Yolanda Pis Martínez, José Juan Nabais, J. M. Valente Carrott, P. J. M. Ribeiro Carrott, M. M. L. Microwaves Pyrolysis Coffee hulls Hydrogen Syngas 8 pages, 1 figure, 5 tables. -- Available online 12 September 2006. -- Issue title: PYROLYSIS 2006: Papers presented at the 17th International Symposium on Analytical and Applied Pyrolysis (Budapest, Hungary, 22-26 May 2006) This paper describes the conventional and microwave-assisted pyrolysis of coffee hulls at 500, 800 and 1000 °C. The influence of the pyrolysis method and temperature on the product yields and on the characteristics of the pyrolysis products is discussed. It was found that the pyrolysis of this particular residue gives rise to a larger yield of the gas fraction compared to the other fractions, even at relatively low temperatures. A comparison of microwave-assisted pyrolysis and conventional pyrolysis showed that microwave treatment produces more gas and less oil than conventional pyrolysis. In addition, the gas from the microwave has much higher H2 and syngas (H2 + CO) contents (up to 40 and 72 vol.%, respectively) than those obtained by conventional pyrolysis (up to 30 and 53 vol.%, respectively), in an electric furnace, at similar temperatures. From the pyrolysis fraction yields and their higher heating values it was found that the energy distribution in the pyrolysis products decreases as follows: gas > solid > oil. Moreover, the energy accumulated in the gas increases with the pyrolysis temperature. By contrast, the energy accumulated in the char decreases with the temperature. This effect is enhanced when microwave pyrolysis is used. Peer reviewed 2009-03-12T13:01:44Z 2009-03-12T13:01:44Z 2007-05 artículo http://purl.org/coar/resource_type/c_6501 Journal of Analytical and Applied Pyrolysis 79(1/2): 128-135 (2007) 0165-2370 http://hdl.handle.net/10261/11544 10.1016/j.jaap.2006.08.003 en http://dx.doi.org/10.1016/j.jaap.2006.08.003 none 22195 bytes application/pdf Elsevier
institution INCAR ES
collection DSpace
country España
countrycode ES
component Bibliográfico
access En linea
databasecode dig-incar-es
tag biblioteca
region Europa del Sur
libraryname Biblioteca del INCAR España
language English
topic Microwaves
Pyrolysis
Coffee hulls
Hydrogen
Syngas
Microwaves
Pyrolysis
Coffee hulls
Hydrogen
Syngas
spellingShingle Microwaves
Pyrolysis
Coffee hulls
Hydrogen
Syngas
Microwaves
Pyrolysis
Coffee hulls
Hydrogen
Syngas
Domínguez Padilla, Antonio
Menéndez Díaz, José Ángel
Fernández Díez, Yolanda
Pis Martínez, José Juan
Nabais, J. M. Valente
Carrott, P. J. M.
Ribeiro Carrott, M. M. L.
Conventional and microwave induced pyrolysis of coffee hulls for the production of a hydrogen rich fuel gas
description 8 pages, 1 figure, 5 tables. -- Available online 12 September 2006. -- Issue title: PYROLYSIS 2006: Papers presented at the 17th International Symposium on Analytical and Applied Pyrolysis (Budapest, Hungary, 22-26 May 2006)
format artículo
topic_facet Microwaves
Pyrolysis
Coffee hulls
Hydrogen
Syngas
author Domínguez Padilla, Antonio
Menéndez Díaz, José Ángel
Fernández Díez, Yolanda
Pis Martínez, José Juan
Nabais, J. M. Valente
Carrott, P. J. M.
Ribeiro Carrott, M. M. L.
author_facet Domínguez Padilla, Antonio
Menéndez Díaz, José Ángel
Fernández Díez, Yolanda
Pis Martínez, José Juan
Nabais, J. M. Valente
Carrott, P. J. M.
Ribeiro Carrott, M. M. L.
author_sort Domínguez Padilla, Antonio
title Conventional and microwave induced pyrolysis of coffee hulls for the production of a hydrogen rich fuel gas
title_short Conventional and microwave induced pyrolysis of coffee hulls for the production of a hydrogen rich fuel gas
title_full Conventional and microwave induced pyrolysis of coffee hulls for the production of a hydrogen rich fuel gas
title_fullStr Conventional and microwave induced pyrolysis of coffee hulls for the production of a hydrogen rich fuel gas
title_full_unstemmed Conventional and microwave induced pyrolysis of coffee hulls for the production of a hydrogen rich fuel gas
title_sort conventional and microwave induced pyrolysis of coffee hulls for the production of a hydrogen rich fuel gas
publisher Elsevier
publishDate 2007-05
url http://hdl.handle.net/10261/11544
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