PDMDAACMBBR组合工艺处理印染废水邓书平

PDMDAAC-MBBR邓书平,牟淑杰(辽宁石油化工大学职业技术学院,辽宁抚顺113001)　:(PDMDAAC)-(MBBR),、(HRT)、PDMDAAC、CODNH3-N。,60%(),24h,PDMDAAC0.8g/L,、CODNH3-N97%、92%90%。CODCrNH3-N50mg/L15mg/L,GB4287—1992《》。:染整;废水处理;絮凝剂;生物膜反应器:TS199　　　:B　　　:1000-4017(2009)06-0036-03CombinedprocessofPDMDAACandMBBRforwastewatertreatmentDENGShu-ping,MOUShu-jie(VocationalandTechnicalCollege,LiaoningUniversityofPetroleumChemicalTechnology,Fushun113001,China)Abstract:Thecombinedprocessofpolydimethyldiallylammoniumchloride(PDMDAAC)andmovingbedbiofilmreactor(MB-BR)wasappliedtothetreatmentofdyeingeffluents,theinfluencesoffillingproportionofcarrier,hydraulicretentiontime(HRT),thedosageofPDMDAAC,CODvalueandNH3-Nconcentrationoffeedingwateronthetreatmentefficiencywerein-vestigated.Theresultsshowedthatundertheconditionsoffillingproportionofcarrier60%(volumeratio),HRTinsinglereac-tor24h,thedosageofPDMDAAC0.8g/L,MBBRcouldoperatedverysteadilyandgoodefficiencycouldbeachievedwiththeremovalofcolor,CODandNH3-Nat97%,92%and90%respectively.Thedischargedwatercouldmeetthefirstclasscriteriaspecifiedindischargedstandardofwaterpollutantsfordyeingandfinishingoftextlleindustry(GB4287—1992)withCODandNH3-Nlessthan50mg/Land15mg/Lrespectively.Keywords:dyeingandfinishing;wastewatertreatment;flocculant;biofilmreactor0　前言,COD,,。,、。[1](MBBR)。、1,,,。,(PDMDAAC)、,。,MBBRPDMDAAC,,。1　试验1.1　:2008-11-13:(1973-),,,,,、。E-mail:[e-mail]。　　1。MBBR,30cm×30cm×40cm,36L。。1　MBBR1.2　[2],MBBR,。MBBR,。,。(0.92～0.97g/cm3),,200～500m2/m3。,、,,、。1.3　pH、CODCr,36　(2009No.6)　[3],(GB/T11903—1989)。,1。1　pHCODCr/(mg/L)BOD5/(mg/L)/(mg/L)/8～10281～59759～12587～1632371.4　,5021mg/L。,MBBR,。,。,、,,7d,。,1～2cm,。CODCr,NH3-N,。2　结果与讨论237,CODCr462mg/L,CODCr。2.1　MBBR(HRT)24h,CODCr[4],2。2　CODCr2,,,CODCr。60%,CODCr88%86%;,。,,,。60%,,。60%,,,。,60%。2.2　HRT(HRT),HRTCODCr[5],3。3　HRTCODCr3,HRT,CODCr;HRT24h,CODCr,2%。,HRT24h。2.3　PDMDAACHRT24h,PDMDAACCODCr,4。4　PDMDAACCODCr4,PDMDAAC0.8g/L,,CODCr;,CODCr。,PDMDAAC0.8g/L。,4,MBBRPDMDAAC,88%97%,CODCr86%92%,。2.4　MBBRCODCrHRT24h,PDMDAAC0.8g/L,MBBRCODCr[6],5。5　CODCrCODCr37　PDMDAAC-MBBR组合工艺处理印染废水　(2009No.6)5,MBBR,CODCr280mg/L600mg/L,CODCr92%,97%,20,MBBR。,;,,,。2.5　MBBRNH3-N,。《》NH3-N(15mg/L)。HRT24h,PDMDAAC0.8g/L,NH3-NMBBRNH3-N,6。6　NH3-NNH3-N6,,NH3-N,NH3-N。NH3-N90%,15mg/L。3　结论(1)PDMDAAC。HRT24h,CODCr280～600mg/L,60%(),、CODCrNH3-N97%、92%90%。(2)CODCrNH3-NMBBR,20,CODCrNH3-N50mg/L15mg/L,《》(GB4287—1992)(40,CODCr100mg/L,NH3-N15mg/L)。(3)、,。,MBBR、、、,,。:[1]　,.、[J].,2003,29(4):13-15.[2]　　,,,.[J].,2003,19(2):56-57.[3]　《》.(3)[M].:,1997:102-356.[4]　　,,,.[J].,2007,32(S1):243-246.[5]　　,,　.[J].,2002,20(1):19-21.[6]　.[J].,2004,24(2):12-15.(△上接第28页)4,,;,。。。3　结论(1),,K/S,,。(2),,,。(3):CeO2/Pr6O11(1∶1)1.5%(owf),pH3,10mL/L,40min。:[1]　,,　,.[J].,2006,28(6):13-16.[2]　,,.[J].,1995(1):34-35.[3]　,,.[J].,2003(3):23-25.38　(2009No.6)