混凝_ABR_推流曝气工艺处理针织印染废水_张丽

混凝/ABR/推流曝气工艺处理针织印染废水张　丽,　吴志敏,　林敏宜(广东纺织职业技术学院轻化工程系,广东佛山528041)　　摘　要:　采用混凝/ABR填料反应器/推流曝气工艺处理针织印染废水,处理规模为8400m3/d。运行结果表明此工艺能有效去除废水中的污染物,出水平均COD、BOD5、SS、色度、S2-浓度分别为65mg/L、15mg/L、13mg/L、31倍、0.1mg/L,出水水质达到广东省《水污染物排放限值》(DB44/26—2001)第Ⅱ时段一级排放标准,直接运行费<0.9元/m3。　　关键词:　针织印染废水;　混凝沉淀;　厌氧折流板填料反应器;　推流式曝气池中图分类号:X703.1　　文献标识码:C　　文章编号:1000-4602(2010)22-0072-03TreatmentofKnittingPrintingandDyeingWastewaterbyCoagulation/ABR/Plug-flowAerationTechnologyZHANGli,　WUZhi-min,　LINMin-yi(DepartmentofLightandChemicalEngineering,GuangdongTextilePolytechnic,Foshan528041,China)　　Abstract:　Coagulation/anaerobicbaffledreactor(ABR)/plug-flowaerationprocesswasusedfortreatmentofknittingprintinganddyeingwastewaterwithacapacityof8400m3/d.Theresultsshowthatthiscombinedprocesshashightreatmentefficiencyofpollutants.TheaverageeffluentconcentrationsofCOD,BOD5,SS,colorandS2-are65mg/L,15mg/L,13mg/L,31timesand0.1mg/Lrespective-ly.Theeffluentqualitymeetsthefirstclasscriteria(thesecondperiod)oftheGuangdongProvincelocalstandardDis