本文二维码信息
二维码(扫一下试试看!)
荧光增白剂在高得率浆漂白中的两种应用方式探讨
Two Application Modes of Optical Brightening Agent in Peroxide Bleaching of High-yield Pulp
收稿日期:  
DOI:10.11980/j.issn.0254-508X.2012.11.004
关键词:  高得率浆  荧光增白剂  H2O2漂白  松厚度
Key Words:high-yield pulp  OBA  peroxide bleaching  bulk
基金项目:本课题得到天津市科技创新体系及条件平台建设计划项目(项目编号:10SYSYJC28000)和天津科技大学科学研究基金项目(项目编号:20110107)的资助。
作者单位
雷 鸣 天津科技大学天津市制浆造纸重点实验室天津300457 
张红杰 天津科技大学天津市制浆造纸重点实验室天津300457 
李建国 天津科技大学天津市制浆造纸重点实验室天津300457 
摘要点击次数: 5440
全文下载次数: 1476
摘要:介绍了荧光增白剂(OBA)在高得率浆H2O2漂白中的两种应用方式,即“漂中加入OBA”和“漂后加入OBA”;探讨高得率浆的“H2O2/OBA”漂白工艺与传统H2O2漂白工艺的优缺点。结果表明,与高得率浆传统的H2O2“化学漂白”相比,这种“H2O2/OBA”的“化学/物理”漂(增)白相结合的方式更能保持高得率浆的特性;“漂中加入OBA”的方式要优于“漂后加入OBA”的方式。
Abstract:In this study, two application modes of optical brightening agent (OBA) in peroxide bleaching of HYP, OBA was applied with bleach liquor and OBA was applied after bleaching, were compared. Also, the advantages and disadvantages of peroxide/OBA bleaching and traditional peroxide bleaching were investigated. The results showed that, compared with conventional peroxide bleaching process, the unique properties of HYP could be maintained by both application modes of peroxide/OBA bleaching efficiently. Moreover, the application mode of adding OBA with bleach liquor was better than the counterpart (adding OBA after bleaching).
查看全文  HTML  查看/发表评论  下载PDF阅读器