硫酸生产酸性废水电化学法处理生产实践

Production practice of electrochemical treatment of acid wastewater from sulphuric acid production

介绍了546 kt/a铜冶炼烟气制酸系统酸性废水处理工艺和相关技术指标。该套酸性废水处理系统采用石灰-铁盐+电化学法的废水处理工艺,经过近几年的生产运行实践,此套废水处理工艺运行良好,处理后废水p H值7.2,砷质量浓度低于0.5 mg/L。

The acid waste water treatment technology and related technical indexes of546kt/a copper smelter acid plant are described.This set of acidic wastewater treatment system used lime iron salt and electrochemical wastewater treatment process.After several years of production and operation practices,this set of wastewater treatment process worked well.After treatment,the pH value readed7.2concentration of arsenic in wastewater readed0.5mg/L.