Improvement of bleached wheat straw pulp properties by using aspen high-yield pulp.
Identifieur interne : 002A26 ( Main/Exploration ); précédent : 002A25; suivant : 002A27Improvement of bleached wheat straw pulp properties by using aspen high-yield pulp.
Auteurs : Hongjie Zhang [République populaire de Chine] ; Jianguo Li ; Huiren Hu ; Zhibin He ; Yonghao NiSource :
- Bioresource technology [ 1873-2976 ] ; 2012.
Descripteurs français
- KwdFr :
- MESH :
- analyse : Déchets.
- composition chimique : Agents de blanchiment, Populus, Triticum.
- Diffusion de rayonnements, Lumière, Papier, Porosité, Résistance à la traction.
English descriptors
- KwdEn :
- MESH :
- chemical , analysis : Waste Products.
- chemical , chemistry : Bleaching Agents.
- chemistry : Populus, Triticum.
- Light, Paper, Porosity, Scattering, Radiation, Tensile Strength.
Abstract
The bleached wheat straw pulp (BWSP) accounts for about 25% of the virgin fiber supply in the Chinese Pulp and Paper Industry. As a non-wood chemical pulp, BWSP is known to have low bulk, low light scattering coefficient and poor drainage due to its high content of parenchyma cells. In this study, a high-quality aspen high-yield pulp (HYP) was used to improve the BWSP properties at the laboratory scale. The results indicate that adding 5-20% aspen HYP into unrefined or refined BWSP can minimize many of the drawbacks associated with the BWSP: improving its drainage, bulk, light scattering coefficient and opacity. The addition of a small amount (up to 20%) of aspen HYP can also significantly increase the tear index of BWSP with only a slight decrease of the tensile index.
DOI: 10.1016/j.biortech.2012.06.008
PubMed: 22784951
Affiliations:
Links toward previous steps (curation, corpus...)
Le document en format XML
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<author><name sortKey="Zhang, Hongjie" sort="Zhang, Hongjie" uniqKey="Zhang H" first="Hongjie" last="Zhang">Hongjie Zhang</name>
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<author><name sortKey="Hu, Huiren" sort="Hu, Huiren" uniqKey="Hu H" first="Huiren" last="Hu">Huiren Hu</name>
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<author><name sortKey="He, Zhibin" sort="He, Zhibin" uniqKey="He Z" first="Zhibin" last="He">Zhibin He</name>
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<term>Populus (chemistry)</term>
<term>Porosity (MeSH)</term>
<term>Scattering, Radiation (MeSH)</term>
<term>Tensile Strength (MeSH)</term>
<term>Triticum (chemistry)</term>
<term>Waste Products (analysis)</term>
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<keywords scheme="KwdFr" xml:lang="fr"><term>Agents de blanchiment (composition chimique)</term>
<term>Diffusion de rayonnements (MeSH)</term>
<term>Déchets (analyse)</term>
<term>Lumière (MeSH)</term>
<term>Papier (MeSH)</term>
<term>Populus (composition chimique)</term>
<term>Porosité (MeSH)</term>
<term>Résistance à la traction (MeSH)</term>
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<front><div type="abstract" xml:lang="en">The bleached wheat straw pulp (BWSP) accounts for about 25% of the virgin fiber supply in the Chinese Pulp and Paper Industry. As a non-wood chemical pulp, BWSP is known to have low bulk, low light scattering coefficient and poor drainage due to its high content of parenchyma cells. In this study, a high-quality aspen high-yield pulp (HYP) was used to improve the BWSP properties at the laboratory scale. The results indicate that adding 5-20% aspen HYP into unrefined or refined BWSP can minimize many of the drawbacks associated with the BWSP: improving its drainage, bulk, light scattering coefficient and opacity. The addition of a small amount (up to 20%) of aspen HYP can also significantly increase the tear index of BWSP with only a slight decrease of the tensile index.</div>
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<Abstract><AbstractText>The bleached wheat straw pulp (BWSP) accounts for about 25% of the virgin fiber supply in the Chinese Pulp and Paper Industry. As a non-wood chemical pulp, BWSP is known to have low bulk, low light scattering coefficient and poor drainage due to its high content of parenchyma cells. In this study, a high-quality aspen high-yield pulp (HYP) was used to improve the BWSP properties at the laboratory scale. The results indicate that adding 5-20% aspen HYP into unrefined or refined BWSP can minimize many of the drawbacks associated with the BWSP: improving its drainage, bulk, light scattering coefficient and opacity. The addition of a small amount (up to 20%) of aspen HYP can also significantly increase the tear index of BWSP with only a slight decrease of the tensile index.</AbstractText>
<CopyrightInformation>Copyright © 2012 Elsevier Ltd. All rights reserved.</CopyrightInformation>
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