废水变色的探讨及处理

Inquiry and Treating on Colour Change of Drain Water

分析外排废水变色的机理，探讨除去铁离子的方法，选择加入氧化剂使铁离子沉淀完全，进行了实验室试验、中间试验、现场试验，使用氧化剂处理废水可取得较理想的效果。

To analyze the mechanism of colour change of drain water.How to remove iron ion from drain water is inquired.The oxidants to make iron ion sediment completely are chosen out through laboratory test,middle test and the spot test.The result shows that good effects can be get by making use of the oxidants to treat drain water.