Extracting value from Eucalyptus wood before kraft pulping: Effects of hemicelluloses solubilization on pulp properties
Eucalyptus globulus wood samples were subjected to autohydrolysis for extracting hemicelluloses, and the resulting solids were assayed as substrates for kraft pulping and further Totally Chlorine Free (TCF) bleaching. The susceptibility of treated solids to kraft processing was assessed under select...
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| Veröffentlicht in: | Bioresource technology 2011-04, Vol.102 (8), p.5251-5254 |
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| creator | Vila, C. Romero, J. Francisco, J.L. Garrote, G. Parajó, J.C. |
| description | Eucalyptus globulus wood samples were subjected to autohydrolysis for extracting hemicelluloses, and the resulting solids were assayed as substrates for kraft pulping and further Totally Chlorine Free (TCF) bleaching. The susceptibility of treated solids to kraft processing was assessed under selected experiments covering the optimum experimental range. In order to establish a basis for comparison, samples of untreated wood were also subjected to kraft delignification. The best kraft pulps obtained from autohydrolyzed solids were subjected to an optimized TCF bleaching sequence involving double alkaline oxygen and pressurized H2O2 processing, and characterized using standard methods. The suitability of the final product obtained by autohydrolysis-kraft delignification-TCF bleaching for specific purposes is discussed on the basis of the experimental results. |
| doi_str_mv | 10.1016/j.biortech.2011.02.002 |
| format | Article |
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The susceptibility of treated solids to kraft processing was assessed under selected experiments covering the optimum experimental range. In order to establish a basis for comparison, samples of untreated wood were also subjected to kraft delignification. The best kraft pulps obtained from autohydrolyzed solids were subjected to an optimized TCF bleaching sequence involving double alkaline oxygen and pressurized H2O2 processing, and characterized using standard methods. 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Psychology ; Hemicelluloses solubilization ; Hydrolysis ; Kraft pulp ; Kraft pulping ; Optimization ; Paper and paperboard manufacturing ; Paper, paperboard, non wovens ; Polymer industry, paints, wood ; Polysaccharides - chemistry ; Pulping ; Solubility ; Solubilization ; Textile Industry ; Wood ; Wood - chemistry ; Wood. Paper. Non wovens</subject><ispartof>Bioresource technology, 2011-04, Vol.102 (8), p.5251-5254</ispartof><rights>2011 Elsevier Ltd</rights><rights>2015 INIST-CNRS</rights><rights>Copyright © 2011 Elsevier Ltd. 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The susceptibility of treated solids to kraft processing was assessed under selected experiments covering the optimum experimental range. In order to establish a basis for comparison, samples of untreated wood were also subjected to kraft delignification. The best kraft pulps obtained from autohydrolyzed solids were subjected to an optimized TCF bleaching sequence involving double alkaline oxygen and pressurized H2O2 processing, and characterized using standard methods. The suitability of the final product obtained by autohydrolysis-kraft delignification-TCF bleaching for specific purposes is discussed on the basis of the experimental results.</description><subject>Applied sciences</subject><subject>Autohydrolysis</subject><subject>Biological and medical sciences</subject><subject>Biorefinery</subject><subject>Bleaching</subject><subject>Chlorine</subject><subject>Eucalyptus</subject><subject>Eucalyptus - chemistry</subject><subject>Eucalyptus globulus</subject><subject>Eucalyptus wood</subject><subject>Exact sciences and technology</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Hemicelluloses solubilization</subject><subject>Hydrolysis</subject><subject>Kraft pulp</subject><subject>Kraft pulping</subject><subject>Optimization</subject><subject>Paper and paperboard manufacturing</subject><subject>Paper, paperboard, non wovens</subject><subject>Polymer industry, paints, wood</subject><subject>Polysaccharides - chemistry</subject><subject>Pulping</subject><subject>Solubility</subject><subject>Solubilization</subject><subject>Textile Industry</subject><subject>Wood</subject><subject>Wood - chemistry</subject><subject>Wood. Paper. 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| subjects | Applied sciences Autohydrolysis Biological and medical sciences Biorefinery Bleaching Chlorine Eucalyptus Eucalyptus - chemistry Eucalyptus globulus Eucalyptus wood Exact sciences and technology Fundamental and applied biological sciences. Psychology Hemicelluloses solubilization Hydrolysis Kraft pulp Kraft pulping Optimization Paper and paperboard manufacturing Paper, paperboard, non wovens Polymer industry, paints, wood Polysaccharides - chemistry Pulping Solubility Solubilization Textile Industry Wood Wood - chemistry Wood. Paper. Non wovens |
| title | Extracting value from Eucalyptus wood before kraft pulping: Effects of hemicelluloses solubilization on pulp properties |
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