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Delignification of Bamboo (Bambusa procera acher) Part 2. Characterisation of Kraft Black Liquors from Different Cooking Conditions
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T. H. M. Vu
Published/Copyright:
June 1, 2005
Summary
Bamboo (Bambusa procera acher) was delignified in a laboratory-scale digester by conventional kraft pulping under varying conditions. Pulps with kappa numbers in the range 12.9–56.3 and viscosities in the range 871–1319 ml g−1 were obtained. The chemical composition of the corresponding black liquors was analysed with respect to their main organic and inorganic constituents. The results indicated that the dry solids of the black liquor contained 40–44% lignin, 20–24% aliphatic carboxylic acids, 4–7% polysaccharides and the residual matter (about 30%) consisted mainly of inorganic constituents. Of the monosaccharide moieties detected in the polysaccharides, xylose was predominant, suggesting that xylan was a major hemicellulose constituent in the black liquor. The effect of effective alkali, sulphidity and H-factor of the cook on the formation of the individual constituents in the black liquor is also discussed.
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Published Online: 2005-06-01
Published in Print: 2003-10-30
Copyright © 2003 by Walter de Gruyter GmbH & Co. KG
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- Subject Index
- Species Index
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- Delignification Mechanism during High-Boiling Solvent Pulping Part 3. Structural Changes in Lignin Analyzed by 13C-NMR Spectroscopy
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- The Effect of Magnesium Ions and Chelants on Peroxide Bleaching
- Moisture Content of Green Wood in High Temperature Water Vapor
- Wood Fracture Pattern during the Water Adsorption Process
- Use of the Partial Least Squares Method with Acoustic Vibration Spectra as a New Grading Technique for Structural Timber
- Mode I Fracture Behaviour on the Growth Ring Scale and Cellular Level of Spruce (Picea abies [L.] Karst.) and Beech (Fagus sylvatica L.) Loaded in the TR Crack Propagation System
- Microtensile Testing of Wood Fibers Combined with Video Extensometry for Efficient Strain Detection
- Mapping Radial,Tangential and Longitudinal Shrinkages and Relation to Tension Wood in Discs of the Tropical Tree Symphonia globulifera
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Articles in the same Issue
- Contents
- Subject Index
- Species Index
- Author Index
- Diurnal Differences in the Innermost Surface of the S2 Layer in Differentiating Tracheids of Cryptomeria japonica Corresponding to a Light-Dark Cycle
- The Isolation of Specific Bio-Control Agents for the Dry Rot Fungus Serpula Lacrymans
- TEM Examination of Surface Characteristics of Rubberwood (Hevea brasiliensis) HTMP Fibers
- Termiticidal Performance of Wood-Based Composites Treated with Silafluofen Using Supercritical Carbon Dioxide
- Use of Animal Proteins to Limit Leaching of Active Copper Ions Preservatives from Treated Wood
- Speciation of Cr and As Leachates from CCA Treated Wood by Differential Pulse Polarography
- Delignification Mechanism during High-Boiling Solvent Pulping Part 3. Structural Changes in Lignin Analyzed by 13C-NMR Spectroscopy
- Topochemical Investigations on Delignification of Picea abies [L.] Karst. during Alkaline Sulfite (ASA) and Bisulfite Pulping by Scanning UV Microspectrophotometry
- Delignification of Bamboo (Bambusa procera acher) Part 2. Characterisation of Kraft Black Liquors from Different Cooking Conditions
- The Effect of Magnesium Ions and Chelants on Peroxide Bleaching
- Moisture Content of Green Wood in High Temperature Water Vapor
- Wood Fracture Pattern during the Water Adsorption Process
- Use of the Partial Least Squares Method with Acoustic Vibration Spectra as a New Grading Technique for Structural Timber
- Mode I Fracture Behaviour on the Growth Ring Scale and Cellular Level of Spruce (Picea abies [L.] Karst.) and Beech (Fagus sylvatica L.) Loaded in the TR Crack Propagation System
- Microtensile Testing of Wood Fibers Combined with Video Extensometry for Efficient Strain Detection
- Mapping Radial,Tangential and Longitudinal Shrinkages and Relation to Tension Wood in Discs of the Tropical Tree Symphonia globulifera
- Assessment of Wood-Cement Compatibility: A New Approach
