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在有色冶金废水处理的实践中,广泛采用了中和水解净化法。当溶液中不含CN~-、NH_3、CI~-等组分时,这种方法对于净化重金属离子是有效的。但有色冶金废水本身就或多或少混杂有这些组分,特别是当其与其他工业废水(含CN~-浮选尾水、含NH_3和CI~-的化工废水等)汇合后,其含量会更高。这些CN~-、NH_3、Cl~-组分对于重金属离子而言,均属络合剂中的
In the non-ferrous metallurgy wastewater treatment practice, widely used in the hydrolysis and purification method. When the solution does not contain CN ~ -, NH_3, CI ~ - and other components, this method for the purification of heavy metal ions is effective. However, non-ferrous metallurgy wastewater itself more or less mixed with these components, especially when it is combined with other industrial wastewater (including CN ~ - flotation tail water, chemical wastewater containing NH_3 and CI ~ -), its content Will be higher. These CN ~ -, NH_3, Cl ~ - components for heavy metal ions, are complexing agent