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| Fiber Morphology and KP Pulping of Two Paulownia Woods |
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| DOI：10.11980/j.issn.0254-508X.2016.07.016 |
| Key Words:Paulownia wood fiber morphology pulp properties |
| Fund Project:广西自然科学基金创新研究团队项目—清洁化制浆造纸与污染控制新技术及新理论,任务书编号：2013GXNSFFA-019005,立项通知文号：桂财教［2013］19号。 |
| Author Name | Affiliation | | 袁金霞1,2 | 1.广西大学轻工与食品工程学院,广西南宁,530004；2.广西清洁化制浆造纸与污染控制重点实验室,广西南宁,530004 | | 卫 威1,2,* | 1.广西大学轻工与食品工程学院,广西南宁,530004；2.广西清洁化制浆造纸与污染控制重点实验室,广西南宁,530004 | | 黄显南1,2 | 1.广西大学轻工与食品工程学院,广西南宁,530004；2.广西清洁化制浆造纸与污染控制重点实验室,广西南宁,530004 | | 王汉成1,2 | 1.广西大学轻工与食品工程学院,广西南宁,530004；2.广西清洁化制浆造纸与污染控制重点实验室,广西南宁,530004 |
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| Abstract:The fiber morphology, chemical composition and KP pulping performance of two kinds of Paulownia wood were studied.The results showed that the average fiber length of two kinds of Paulownia wood material was in 0.7～0.85 mm, fiber width was in 16.4～19.2 μm, fiber length-width ratio value was in 38～51 which belonged to short fiber raw material. These two Paulownia wood material contain higher cellulose(nitro-ethanol celluloses 43%～47%) and lower acid insoluble lignin(17%～23%). Like most hardwood material, the content of pentosan was in 22%～26% .These features made them easy to cooking, beating and receiving high pulping yield, while the slightly higher content of extractives would increase the consumption of chemicals in cooking process. The KP pulp strength properties of Paulownia wood were good, and the stem wood and branch wood of Paulownia had no significant difference in pulping performance, Paulownia wood was suitable material for pulp and papermaking. |
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