【摘要】 采用铁屑过滤法预处理可生化性差的印染废水，能改善废水的可生化性，降低废水的ＣＯＤ和色度，有利于后续生化处理更多还原

【Abstract】 The less-bio degradable printing and dyeing waste water has been pretreated by an iron chipping-filtration process.The results indicate that the pretreatment process can improve bio degradability of the waste water and reduceCODandcolority,resulting in thebenefittothefolow-upbiologicaltreatment.更多还原