摘要
本文论述了拄合预处理对阔叶木CTMPH_2O_2漂白的效果,研究了最佳的DTPA预处理方法及螫合剂对金属离子排除的作用和效果。介绍了此工艺在实际生产中的应用情况。
Chelating pretreatment was studied for the bleaching of hardwood CTMP with hydrogen peroxide, The fujnction and the effect of the seuestrant employed (DTPA ) as regards to the removal of metallic ions were descussed. Chelating preteatment and H2O2 beaching were optimized , Examples in mill produce was decribed .
出处
《国际造纸》
1997年第4期8-11,共4页
World Pulp and Paper
关键词
螯合剂
阔叶木
过氧化氢
漂白
木浆
chelating pretreatment , hatdwood CTMP . sequestrant , hydrogen peroxide bleaching