三种速生阔叶木的PRC-APMP制浆性能比较

doi:10.3969/j.issn.0253-2417.2019.05.012

林产化学与工业 ›› 2019, Vol. 39 ›› Issue (5): 87-94.doi: 10.3969/j.issn.0253-2417.2019.05.012

三种速生阔叶木的PRC-APMP制浆性能比较

林本平^1,3, 朱宏伟², 刘成良², 肖友年², 张美云³

1. 长沙理工大学化学与食品工程学院, 湖南长沙 410114;
2. 泰格林纸股份有限公司国家级技术中心, 湖南岳阳 414002;
3. 陕西科技大学轻工科学与工程学院, 陕西西安 710021

收稿日期:2019-03-28 出版日期:2019-10-25 发布日期:2019-11-01
通讯作者: 朱宏伟,高级工程师,博士,主要从事制浆造纸清洁生产技术研发与工程设计管理工作;E-mail:zhw96@163.com E-mail:zhw96@163.com
作者简介:林本平(1982-),男,山东费县人,讲师,博士,主要从事清洁化制浆造纸新技术方面的研究工作;E-mail:benping@163.com
基金资助:
湖南省教育厅科学研究项目（17B010）

Comparison on PRC-APMP Pulping Properties of Three Fast-growing Hardwoods

LIN Benping^1,3, ZHU Hongwei², LIU Chengliang², XIAO Younian², ZHANG Meiyun³

1. College of Chemical and Food Engineering, Changsha University of Science and Technology, Changsha 410114, China;
2. National Engineering Research Center, Tiger Forest & Paper Group, Yueyang 414002, China;
3. College of Bioresources Chemical and Materials Engineering, Shaanxi University of Science and Technology, Xi'an 710021, China

Received:2019-03-28 Online:2019-10-25 Published:2019-11-01

摘要/Abstract

摘要： 对比了杨木、桉木和相思木3种速生阔叶木的材性和PRC-APMP制浆性能，研究结果表明：杨木比桉木和相思木具有更高的聚戊糖和1% NaOH抽出物含量；桉木综纤维素含量略低于杨木和相思木，同时木质素含量最高；桉木材密度最大，相思木次之，杨木较低。采用PRC-APMP制浆方法，在NaOH总用量5.5%，H₂O₂用量5.0%浸渍漂白条件下，相思木制浆得率最高（83.8%），桉木次之（82.4%），杨木最低（81.3%）。桉木成浆白度最高78.2%（ISO，下同），杨木次之75.3%，相思木浆白度最低70.7%。在同等浆料打浆度条件下，相思木成浆抗张强度大于杨木和桉木，同时消耗磨浆电耗也最高；杨木成浆的纤维长度较大，浆料撕裂强度大于相思木和桉木；桉木成浆的抗张和撕裂强度均最低，但浆料具有高松厚度特性。

关键词: 速生阔叶木, 材质特性, 化学机械浆, PRC-APMP

Abstract: The chemical composition and basic wood density of three fast-growing hardwoods(Populus euramericana, Eucalyptus grandis×E.urophylla and Acacia mangium) chips were analyzed. The pulping properties of three different hardwood pulps made by PRC-APMP technology were studied. The results showed that higher contents of polysaccharide and 1% NaOH extractive were identified in populus than those in eucalyptus and acacia. Eucalyptus had the highest lignin content, whereas the holocellulose content was lowest than that of populus and acacia. The basic density of eucalyptus was 0.45 g/cm³, which was larger than that of acacia(0.43 g/cm³) and populus (0.39 g/cm³). The PRC-APMP pulping process was carried out under the condition of impregnating with NaOH 5.5% and H₂O₂ of 5.0%. As a result, acacia showed the highest pulp yield, which was up to 83.8%, while the pulp yield of populus and eucalyptus were 82.4% and 81.3% respectively. A highest pulp brightness of 78.2%(ISO) was achieved for eucalyptus, while the brightnesses for populus and acacia were 75.3%(ISO) and 70.7%(ISO), respectively. Under the same beating degree, it was found that acacia pulps possessed the highest tensile strength index, but required more refining energy. Populus pulps showed higher tearing index than that of acacia and eucalyptus pulps, due to its longer fiber length. In contrast, eucalyptus pulps exhibited the highest apparent bulk the lowest tensile strength as well.

Key words: fast-growing hardwood, wood properties, chemi-mechanical pulping, PRC-APMP

中图分类号:

TQ35

林本平, 朱宏伟, 刘成良, 肖友年, 张美云. 三种速生阔叶木的PRC-APMP制浆性能比较[J]. 林产化学与工业, 2019, 39(5): 87-94.

LIN Benping, ZHU Hongwei, LIU Chengliang, XIAO Younian, ZHANG Meiyun. Comparison on PRC-APMP Pulping Properties of Three Fast-growing Hardwoods[J]. Chemistry and Industry of Forest Products, 2019, 39(5): 87-94.

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三种速生阔叶木的PRC-APMP制浆性能比较

Comparison on PRC-APMP Pulping Properties of Three Fast-growing Hardwoods

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