The relationships of feedwater conductivity and pH value with the system salt permeability and concentrated fresh water in the first and second grade RO systems are tested and analysed.

• 介绍了唐钢废水深度处理反渗透系统运行不稳定的实例,从水质和药剂投加方面分析了问题原因,提出了技改措施,取得了明显成效。