MBR组合工艺处理化纤染整废水的试验

净水技术2019,38(8)：110-115WaterPurificationTechnology郭敏晓，龚云娇,王晨光，等.MBR组合工艺处理化纤染整废水的试验%J］•净水技术,2019,38(8)：110-115.GUOM,GONGY,WANGC,etal.ExperimentofchemicalfiberdyeingandprintinywastewatertreatmentbyMBRcombinationprocess%J&.WaterPurifcationTechnology,2019,38(8):110-115.扫我试试扫我试试？MBR组合工艺处理化纤染整废水的试验郭敏晓S龚云娇2,王晨光2，叶涛2，史文悦2(1.嘉兴职业技术学院，浙江嘉兴314000,2.浙江双益环保科技发展有限公司，浙江嘉兴314000)摘要采用混凝沉淀-水解酸化-MBR组合工艺处理印染废水，探究组合工艺对COD、色度、金属锑的去除效果，评价膜系统的应用可行性。结果表明,废水经组合工艺处理后出水COD&为62~98my/L,平均色度为49.9，总锑约为72^y/L,均达到《纺织染整工业水污染物排放标准》(GB4287+2012)规定的间接排放要求。在总锑浓度为0~1.6my/L的条件下，活性污泥呼吸速率、COD去除率无显著变化;连续运行120d,平均标准跨膜压差(TMP)为4.5kPa,平均膜阻力为1.28m'，表明膜污染程度低。因此，文中设计的组合工艺适合该化纤染整废水的处理。关键词化纤印染COD色度锑MBR中图分类号：X703.1文献标识码：A文章编号：1009-0177(2019)08-0110-06DOI：10.15890/j.cnki.jsjs.2019.08.021ExperimentofChemicalFiberDyeingandPrintingWastewaterTreatmentbyMBRCombi­nationProcessGUOMinxiao1,GONGYunjiao2,WANGChenguang2,YETao2,SHIWenyur2(1.JiaxingVocational&TechnicalCollege,Jiaxing314000,China；2.ZhejiangShuangyiEnvironmentalTechnologyDevelopmentCo.,Ltd.,Jiaxing314000,China)AbstractThecoagulationsedimentation-hydrolyticacidification-MBRcombinationprocesswasusedforthetreatmentofprintinganddyeingwastewater.EffectsofthecombinationprocessonremovafofCOD,chromaandantirnony(sb)wereinvestioated,andfeasibilityofthemembranesystemforwastewatermeatmentwasevaluated.TheresultsshowedthatCODc.,averaaechromaandantirnonyinMBReffluentwerereducedte62〜98my/L,49.9and72|jiy/Lrespectivelybythecombinationprocess,whichmettheindirectdischargerequirementsofDischargeStandardsopWatcoPollutantsfooDyeingandFinishingpTextileCndustry(GB4287一2012).Whenthecon­centrationofantimonywas0〜1.6m/L,therespiratoryrateofactivatedslud/eandremovafrateofCODhadnosi/nificantvariation.After120days'continuousoperation,theavera/etransmembranepressure(TMP)was4.5kPaandtheaveraaemembraneresistancewas1.28m1,thatthedesivnedMBRcombinationprocesswassuitableforthetreatmentofchemicaifiberprintin/anddye-in/wastewater.Keywordschemicalfiberprintin/anddyeingCODchromaantiniony(Sb)MBR印染废水含有大量难降解有机物，是