According to the characteristics of textile printing and dyeing industry, the treatment of printing and pvcguancai.89ix.comjinshuguan.89ix.comgaoyaguan.89ix.comtanceqi.89ix.comxguangji.89ix.comjianc
eyii.89ix.comdyeing wastewater should adopt the measures of reuse and comprehensive utilization as far as possible, combine with the reform of textile printing and dyeing production process, minimize the amount of water, alkali and other printing and dyeing auxiliaries, and recycle dyes and paddles in wastewater.
例如,对于合成纤维及含合成纤维75%以上的织物采用干法印花工艺,可以消除生产过程中的印花废水;在使用酸性媒染染料过程中,如果用硝酸钠或双氧水代替重铬酸钾全长为氧化剂,就可以消除废水中的铬的污染