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| Kraft Pulping and TCF Bleaching Performances of Phyllostachys Pubescens Stem |
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| DOI：10.11981/j.issn.1000-6842.2011.02.21 |
| Key Words:bamboo； pulp yields; lignin； pulp； TCF |
| Fund Project:本课题得到了教育部第39批留学回国人员科研启动基金的资助。 |
| Author Name | Affiliation | | 金光范1 | 1.浙江科技学院轻工学院，浙江杭州，310023 | | 大井洋2 | 2.筑波大学生命环境科学研究科，日本筑波，305-8572 |
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| Abstract: |
| Bamboo is commonly used as a raw material at some of pulp mills. In this study, Phyllostachys pubescens obtained from Xiaohe-shan, Hangzhou was chemically analyzed, cooked with kraft process and bleached with totally chlorine-free (TCF) bleaching. In addition, P. pubescens stem was compared with Hibiscus cannabinus bast, Cryptomeria japonica D. Don wood and Eucalyptus grandis wood. The lignin content of P. pubescens stem is similar to that of E. grandis wood and the xylan content of P. pubescens is higher compared with the others. In kraft cooking, the delignification rate of P. pubescens is equal to that of E. grandis and better than that of H. cannabinus bast. However, in a given kappa number the pulp yield of P. pubescens is lower than that of both E. gradis and H. cannabinus bast and is equal to that of C. japonica. The hexenuronic acid content of P. pubescens kraft pulp is lower than that of H. cannabinus bast and E. grandis. The brightness of unbleached pulp prepared from P. pubescens is much higher than that from H. cannabinus and E. gradis. The P. pubescens pulp has higher brightness after oxygen bleaching than the pulps of the H. cannabinus and E. grandis. |
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