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| 光叶楮杆芯APMP制浆过程中化学成分的变化 | |
| 引用本文： | 雷晓春,陈嘉川,林鹿,杨桂花,李昭成.光叶楮杆芯APMP制浆过程中化学成分的变化[J].中国造纸学报,2005,20(2):16-18. |
| 作者姓名： | 雷晓春 陈嘉川 林鹿 杨桂花 李昭成 |
| 作者单位： | 1. 山东轻工业学院制浆造纸工程省级重点学科,山东,济南,250100;华南理工大学制浆造纸工程国家重点实验室,广东,广州,510640 2. 山东轻工业学院制浆造纸工程省级重点学科,山东,济南,250100 3. 华南理工大学制浆造纸工程国家重点实验室,广东,广州,510640 |
| 摘 要： | 对光叶楮杆芯APMP制浆过程中化学成分变化的研究表明:用光叶楮杆芯制APMP浆料,在热水预处理后得率下降高达5个百分点,这与光叶楮杆芯水溶液抽出物含量高有关.热水预处理阶段得率的降低是由于部分苯-醇抽出物、1%NaOH抽出物和水抽出物及少量低分子戊聚糖的溶出造成的;在化学处理阶段和磨浆过程中得率的降低主要是碱性条件下,1%NaOH抽出物、戊聚糖和木素部分溶出的结果.含量高的水抽出物、1%NaOH抽出物、戊聚糖以及洗涤过程中薄壁细胞和细小纤维的流失,是导致光叶楮杆芯APMP浆料得率偏低的原因. |
| 关 键 词： | 光叶楮 化学成分 |
| 文章编号： | 1000-6842(2005)02-0016-03 |
| 收稿时间： | 07 22 2005 12:00AM |
| 修稿时间： | 2005年7月22日 |
Chemical Composition Analysis during APMP Process of Debarked Guangyechu |
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| LEI Xiao-chun,CHEN Jia-chuan,LIN Lu,YANG Gui-hua,LI Zhao-cheng.Chemical Composition Analysis during APMP Process of Debarked Guangyechu[J].Transactions of China Pulp and Paper,2005,20(2):16-18. | |
| Authors: | LEI Xiao-chun CHEN Jia-chuan LIN Lu YANG Gui-hua LI Zhao-cheng |
| Abstract: | Chemical composition analysis during APMP process of debarked Guangyechu indicated that the yield of the pulp decreased rapidly even to 95% after hotwater pretreatment was due to its higher content of extractives compared with populus tomentosa, including coldwater, hotwater extraclives, benzene-ethanol and 1% NaOH extmctives, and also due to the degradation of a small amount of the low molecular height pentosan. The pulp yield further decreased in chemical treatment stage and refining process was ascribed to the dissolve of part of the 1% NaOH extractives, pentosan and lignin under alkaline condition. In addition, the removal of parenchyma tissue and finess during the washing also led to lower yield. |
| Keywords: | APMP |
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