Nanofiltration(NF) is employed to purify the recycle water from a steel plant.The treated water quality is analyzed by chemical method and ion chromatography spectrum.

• 采用纳滤膜技术对某钢厂的循环水进行纯化处理,水质和离子色谱分析结果表明,膜技术比现有的离子交换法对碱性离子和氯离子的去除效果要好;