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Título: | Determining the influence of eucalypt lignin composition in paper pulp yield using Py-GC/MS |
Autor: | Río Andrade, José Carlos del CSIC ORCID ; Gutiérrez Suárez, Ana CSIC ORCID ; Hernando, Marina; Landín, Pedro; Romero Sánchez, Javier; Martínez, Ángel T. CSIC ORCID | Palabras clave: | Eucalyptus globulus Wood Lignin S/G ratio Pulp yield Delignification Pyrolysis |
Fecha de publicación: | 2005 | Editor: | Elsevier | Citación: | Journal of Analytical and Applied Pyrolysis 74: 110-115 (2005) | Resumen: | A set of Eucalyptus globulus woods from different origins and growth conditions, giving a wide range of pulp yields (from 40% to 60%) upon kraft cooking, was analyzed using Py-GC/MS. The carbohydrate-derived compounds and the compounds derived from syringyl (S) and guaiacyl (G) lignin units were analyzed and the lignin/carbohydrate and S/G ratios determined. Eucalypt woods giving higher pulp yield released higher amounts of S-type compounds upon Py-GC/MS. A significant correlation was observed between pulp yield and the lignin composition in terms of the S/G ratio. By contrast, the lignin/carbohydrate ratio obtained by Py-GC/MS, did not show a significant correlation with the pulp yield. This indicates that the lignin composition is a more important parameter influencing pulp yield than the lignin content. | Descripción: | 1)Instituto de Recursos Naturales y Agrobiología de Sevilla, P.O. Box 1052, 41080-Seville, Spain; 2)ENCE-CIT, Ctra. Campañó, Ribeiro-Vao, 36157 Pontevedra, Spain; 3)Centro de Investigaciones Biológicas, Ramiro de Maeztu 9, E-28040 Madrid, Spain. E-mail address: delrio@irnase.csic.es (J.C. del Río) | URI: | http://hdl.handle.net/10261/34812 | DOI: | 10.1016/j.jaap.2004.10.010 | ISSN: | 0165-2370 |
Aparece en las colecciones: | (IRNAS) Artículos (CIB) Artículos |
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2005-DELRIO-JAAP.pdf | 186,47 kB | Adobe PDF | Visualizar/Abrir |
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