建筑物外墙清洗污水的二次污染现状及其防治对策

Present Situation and Preventing Policy About the Second Time Pollution by the Cleaning Water of the Outer Walls

对建筑物外墙清洗中常用清洗剂的成分、化学清洗的方式和机理、废水形成的原因、废水组成、废水造成的二次污染及危害进行了分析,提出了相应的防治对策。

The component of ordinance cleanser used in outer walls cleaning,way and mec hanism of chemi-cal cleaning,cause of waste-water forming,component of wast e-water,second time pollution and harm gen-erated by wastewater are discusse d in this article.Some corresponding preventing policies are given out.