二氧化氯的漂白及制备方法

Pulp Bleaching and Preparation Method of Chlorine Dioxide

我国大多数造纸厂生产漂白纸浆均采用含氯漂白技术,应用这些漂白剂漂白后的纸浆废液中含有很多的有毒甚至剧毒的有机氯化合物。本文介绍的二氧化氯是一种新的对环境污染少、对纸张漂白效果好、不影响纸张质量的漂白剂。阐述二氧化氯用于纸浆漂白原理及其优势,介绍二氧化氯的几种常见制备方法。

The chlorine bleaching technology was used in the process of bleached pulp production of majority paper making plants in China There were very much virulent even violentlypoisonous organic chlorine compound in the bleached pulp waste liquor. A new kind of bleaching agent was used, which had few environmental pollution, had good bleaching effect, and did not affect the paper quality. The principle and the superiority of the chlorine dioxide used in the paper pulp bleaching were presented, and several common preparation methods of chlorine dioxide were introduced.