一、前言在钛白粉生产过程中有大量漂洗废酸排出,杭卅硫酸厂每年有浓度为200克左石的废酸5000吨,若直接排入江河,则毒害鱼类,污染水质,成为一大公害。为了处理钛自废酸,在各级党委领导和支持下,得到国家海洋局第二研究所支持和帮助,在上海钢片厂的具体指导下,我们成立了三结合试验小组,在静态试验成功的基础上, First, the foreword In the titanium dioxide production process a large number of rinse waste acid discharge, hangzhou sulfuric acid plant annual concentration of 200 grams of waste rock acid 5000 tons, if directly discharged into rivers, poisoning fish, pollute the water quality, become a Public nuisance. In order to deal with Titanium since the waste acid, under the leadership and support of party committees at all levels, with the support and assistance of the Second Institute of the State Oceanic Administration, under the specific guidance of Shanghai Steel Works, we set up a triple combination of test groups, On the basis of,