二氧化硫法处理含铬废水

综合比较了较常用的处理含铬废水的工艺，结合水质、经济条件等选用了二氧化硫还原法。对二氧化硫的处理工艺的工艺流程进行了介绍，该工艺满足设计要求，基本上实现了二氧化硫的闭路循环，处理水的排放达到了国家规定排放标准。

Method of sulfur dioxide to deal with wastewater containing chromium

Analysising comprehensively the normal technics of chromium treatment.According to economy water qulity etc,the sulfur dioxide reduction method is adoped.This article design this technic,The consults indicate that the technic meets the requestion of design and achieve the closed circulation of sulfur dioxide basically.Moreover the water that has been treated achieve the state discharge standard.