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Rendimiento de los productos de la descomposición térmica De la madera de eucalyptus saligna smith a diferentes alturas del fuste comercial
Universidad de Pinar del Río, Cuba.
Universidad de Pinar del Río, Cuba.
Universidad de Pinar del Río, Cuba.
Universidad de Zaragoza, Spain.
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2009 (Spanish)In: Revista Chapingo, Serie Ciencias Forestales y del Ambiente, ISSN 0186-3231, Vol. 15, no 2, 147-154 p.Article in journal (Refereed) Published
Abstract [en]

In this work the qualitative and quantitative results of the thermal pyrolysis of Eucalyptus Saligna Smith is presented, to different heights of the commercial wooden log. The wood was collected from Pinar del Rio, Cuba. The need to use this wood like energy source in the region led to the research at laboratory scale. The used trees were 20 and 22 years old, from which 20 cm disks were cut at 25; 55 and 85 % height of the log, milled to chips and air dried. The chemical composition was determined and was carried out the previous analysis of the samples, as well as the thermal decomposition in micro scale. The study of products from the pyrolysis (coal and tar), it was made in a reactor of fixed channel. The caloric value of the biomass and its charcoal was determined. The influence of the height of the log in the product yields from the pyrolysis was studied.

As significant differences was observed as for the chemical composition of the studied wood: cellulose, hemicelulose and lignine, being observed an apparent increase of the lignine percentage with the height of the tree. The previous analysis belongs together with the chemical composition of the studied biomass. A small decrease was observed in the yield of the coal and of the percentage of tars with the height of the tree, this belongs together with the variation of the chemical composition according to the height of the tree. The biggest yield of coal and caloric value was achieved at the lowest height of the tree. The contribution to gas goes increasing with the height.

Place, publisher, year, edition, pages
2009. Vol. 15, no 2, 147-154 p.
Keyword [en]
pyrolysis, eucalyptus, carbon, tars
National Category
Chemical Engineering
Identifiers
URN: urn:nbn:se:kth:diva-27045ISI: 000283957400010OAI: oai:DiVA.org:kth-27045DiVA: diva2:377113
Note

QC 20101213. English title: Yield of products of the thermal decomposition of the eucalyptus saligna smith wood, to different heights of the tree

Available from: 2010-12-13 Created: 2010-12-06 Last updated: 2016-05-30Bibliographically approved

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Zanzi, Rolando

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