| 竹浆氧脱木素工艺 |
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| 引用本文： | 刘明友,胥娟,王俊文,肖仙英,王心君.竹浆氧脱木素工艺[J].纸和造纸,2010(8). |
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| 作者姓名： | 刘明友 胥娟 王俊文 肖仙英 王心君 |
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| 作者单位： | 华南理工大学造纸与污染控制国家工程研究中心;安县纸业有限公司; |
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| 摘 要： | 为了提高脱木素选择性,探讨表面活性剂(X)与过氧化氢混合使用时氧脱木素工艺条件的优化,并进行了后续TCF漂白。结果表明,表面活性剂与过氧化氢强化氧脱木素的最佳工艺条件为:浆浓10%,表面活性剂X用量0.3%,过氧化氢用量0.5%,硫酸镁用量0.5%,氧压0.5MPa,用碱量2.5%,反应温度85℃,反应时间60min。在最优条件下处理后,浆料卡伯值为9.7,黏度为964.3mL·g-1,白度为44.3%ISO,脱木素率为57.1%,黏度降低率为11.2%。优化后经TCF漂白,浆料白度可达80.6%ISO。
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| 关 键 词： | 氧脱木素 TCF漂白 白度 |
Technique of Oxygen Delignification of Bamboo Pulp |
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| LIU Ming-you,XU Juan,WANG Jun-wen,XIAO Xian-ying,WANG Xin-jun.Technique of Oxygen Delignification of Bamboo Pulp[J].Paper and Paper Making,2010(8). |
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| Authors: | LIU Ming-you XU Juan WANG Jun-wen XIAO Xian-ying WANG Xin-jun |
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| Affiliation: | LIU Ming-you1,XU Juan1,WANG Jun-wen1,XIAO Xian-ying1,WANG Xin-jun2(1.National Engineering Research Center of Papermaking & Pollution Control,South China University of Technology,Guangzhou,510640 China,2.Anxian Paper Co.,Ltd,Mianyang,622565 China) |
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| Abstract: | In order to improve the delignification selectivity,the process optimization of surfactants X and hydrogen peroxide reinforced oxygen delignification and TCF bleaching are studied.The experimental data show that the optimum conditions for surfactants X and hydrogen peroxide reinforced oxygen delignification is that the pulp concentration is 10%,the surfactant dosage is 0.3%,the hydrogen peroxide dosage is 0.5%,the MgSO4 dosage is 0.5%,the Oxygen pressure is 0.5MPa,the alkali dosage is 2.5% and the reaction ... |
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| Keywords: | oxygen delignification process TCF bleaching whiteness |
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