Quantitative and kinetic thermogravimetric Fourier Transform infrared (TG-FTIR) study of pyrolysis of agricultural residues (Record no. 170806)

MARC details
000 -LEADER
fixed length control field 02603nab a2200205 4500
008 - CÓDIGOS DE INFORMACIÓN DE LONGITUD FIJA - INFORMACIÓN GENERAL
Campo de control de longitud fija 260224s2009 xxu
245 00 - TITULO
Título Quantitative and kinetic thermogravimetric Fourier Transform infrared (TG-FTIR) study of pyrolysis of agricultural residues
Subtítulo Influence of different pretreatments
260 ## - PUBLICACION, DISTRIBUCION, ETC
Lugar de publicación, distribución, etc.
Nombre de publicador, distribuidor, etc.
Fecha de publicación, distribución, etc. nov./dic. 2009
270 ## - FECHA DE CARGA
Fecha de carga 08/06/2010 ; 08/06/2010
300 ## - DESCRIPCION FISICA
Otra extensión 11 p. ; 5695-5706
520 ## - RESUMEN, ETC
Resumen Transcripción del resumen del autor. High energy prices and an established awareness of the anthropogenic origin of global warming are stimulating markets and policymakers to move toward a much higher utilization of biomass fuels for energy conversion. In order to develop efficient processes, though, much research is still needed to characterize the behavior of such alternative fuels. In this paper the pyrolysis of some agro-residues, abundant in Europe, was studied in a TG-FTIR setup. In order to remove from the samples the alkali metals and Cl which are detrimental for process operation, causing slagging, fouling, and loss of fluidization, a water leaching pretreatment was applied to all the samples. The thermogravimetric curve of wheat straw showed a singular peak at 324 °C and a residue of 21.6 wt % ar. The leaching pretreatment increased the temperature of reaction up to 355 °C and the weight loss to 83.3 wt % ar. The olive residue sample also showed an increase in reacting temperature and volatile release. The peach sample, probably due to its different composition, reacted over two very distinct peaks at 287 and 359 °C. The leaching procedure did not affect this sample on the temperatures of reaction, while it slightly increased the amount of volatiles released. A distributed activation energy method (DAEM) was used to retrieve kinetic parameters from the measurements. When using a discrete distribution with a fixed pre-exponential factor of 2.2 × 1013 [s-1], the main reaction path for wheat straw and olive residue appeared to be at 176 kJ/mol, while for the leached samples and for the peach stones sample it appeared at 184 kJ/mol. The leaching pretreatment removed a high percentage of mineral inclusions in the samples, mostly in the forms of KCl and NaCl. This increased the temperature at which the samples decomposed, increased the released volatiles, and slightly increased the reaction rate.
581 ## - ESTADO DE COLECCIÓN
Estado de colección 6
773 0# - CORRECCIÓN
Título Energy & fuels
Partes relacionadas 23
942 ## - DESC. DE MATERIAL
Tipo de item KOHA Artículo de Revista
100 1# - RESPONSABLE PERSONAL
Apellido, Nombre Giuntoli, J.
9 (RLIN) 42324
100 1# - RESPONSABLE PERSONAL
Apellido, Nombre Arvelakis, S.
9 (RLIN) 42325
100 1# - RESPONSABLE PERSONAL
Apellido, Nombre Spliethoff, H.
9 (RLIN) 18152
Holdings
Biblioteca propietaria Biblioteca actual Fecha de adquisición Inventario Total de préstamos Inventario Fecha de carga Tipo de item KOHA
Biblioteca Alejandro Angel Bulgheroni Biblioteca Alejandro Angel Bulgheroni 05/03/2026 200045660   200045660 05/03/2026 Artículo de Revista


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