不锈钢产品生产废水零排放工程实例

邵启运,蒋志辉,袁东日,解清杰,张磊

Project example of zero-discharge treatment of stainless-steel production wastewater

Qiyun Shao,Zhihui Jiang,Dongri Yuan,Qingjie Xie,Lei Zhang

表1 进水水质与回用标准

Table 1 Influent quality and reuse standards

指标 pH SS COD NH3-N TN TP 电导率 Cr6+ Ni2+ 进水水质 1~2 100 4 500 4.5 55 54 3 000~3 500 2.61 2.34 回用标准 6.5~7.5 50 2 6 2 600