The treatment of dye wastewater which is of high salinity, high chromaticity and high COD by coupled ultrafiltration and nanofiltration technologies was preliminarily studied with pilot experiment.

• 采用超滤、纳滤集成技术,对高盐度、高色度、高COD的染料生产废水进行中试处理试验,分别考察了恒容脱盐、恒压浓缩、连续化处理等不同工艺的效果。