AnMBR处理活性黑KNB印染废水赵新景

AnMBR处理活性黑KN-B印染废水赵新景,梁国明＊,周保昌(,201800)　:实验对厌氧膜生物反应器(AnMBR)处理活性黑KN-B印染废水进行了探讨.研究了厌氧反应器内活性污泥的驯化培养状况,考察了厌氧反应器与管式超滤膜对印染废水BOD5,COD的去除作用,并对厌氧反应器产气量、出水的碳酸氢盐碱度和VFA进行了分析,通过UV-Vis光谱图分析了AnMBR对活性黑KN-B的脱色效果.结果表明,液流较低的低负荷启动方式使该AnMBR活性污泥的驯化培养顺利进行,厌氧反应器污泥床区域的污泥浓度培养至35g/L;AnMBR对废水BOD5和COD的去除率分别达到90%和85%以上;该厌氧反应器的活性污泥体系和缓冲体系相对稳定,出水的碳酸氢盐碱度和VFA分别在16～18mmol/L与1.0～3.5mmol/L的范围内波动,pH稳定在7.70～8.00之间;AnMBR对500mg/L的活性黑KN-B废水的脱色率能达到90%以上.:AnMBR;印染废水;活性黑KN-B;活性污泥;BOD5/COD比值:X703.1　　:A　　:1007-8924(2010)02-0079-07　　(AnaerobicMembraneBiore-actor,AnMBR),,(SludgeRetentionTime,SRT)(HydraulicRetentionTime,HRT),.AnMBR,[1,2],,[3-7].,[8]、[9]、[10,11]、[12,13],,,[14].[9,15]、[16-18],[19],,.[20,21].,AnMBR,KN-B,,、、,.1　实验装置和方法1.1　1.98L,30～35℃.,,.,BERGHOF(:MO2101G66.03I8V).,,,、、,,;;,:2009-01-05;:2009-03-25:(1985-),,,,.＊〈[e-mail]〉30　2　　　　　Vol.30　No.220104MEMBRANESCIENCEANDTECHNOLOGYApr.2010DOI:10.16159/j.cnki.issn1007-8924.2010.02.0111.;2.;3.;4.;5.;6.;7.;8.;9.;10.;11.;12.;13.1　Fig.1　SchematicdiagramofAnMBRexperimentalequipment,,().S,().Si,Sr,S5,Sg;Si2,So,Smix;S1,2,3,4(),400mm.1.2　,1.,、、KN-B;COD,BOD5/COD.表1　印染废水组成成分Table1　Compositionofthesyntheticdyewastewater　/(mg·L-1)　/(mg·L-1)CaCl212.5Fe2(SO4)3·xH2O8.0EDTA0.5300CoCl2·6H2O0.4KH2PO4167ZnCl20.2NaCl300CuSO4·5H2O0.05MgSO4·7H2O34ReactiveBlack51.3　BOD5:AQUALYTICBOD;COD:AQUALYTICSpectrophotometerPCSPECTRO;MLSS:PCCOMPACTPhotometerSuspend-edSolids;VFA:VFA[22];pH:PHS-3pH;:;KN-B:10000r/min10min,HITACHIU-3010Spectrophotometer(598nm),:=(1-AA0)×100%:A598nm;A0598nm.2　结果与讨论2.1　,,KN-B,(),,KN-B.,(HRT)、KN-B.,,0.3～0.5kgCOD/(m3·d),,CODHRT,.(1.25～2.00L/h,30～48L/d),COD1000mg/L,,COD5000±100mg/L.KN-B0500mg/L.KN-B2.2.2　,MLSS(SS)3.S1,S2,S3,S4,S5.10g/L,,90,3.5kgCOD/(m3·d),(S1),15～20g/L　·80　　　·　　　　　30　2　KN-BFig.2　Changesoforganicloadingandinfluentconcentrationofreactiveblack53　Fig.3　ChangesofMLSSindifferentlevelsofanaerobicbioreactor;(S2,S3,S4)10g/L;(S5)(SS)1～4g/L.90～135,5.5kgCOD/(m3·d),,,,35g/L;10～25g/L,;SS0.5g/L,SS,.,,.,,,,().,,,,.,KN-B,,KN-B..2.3　AnMBR,,50～140,3HRT,,,BOD5,COD4.4　AnMBRBOD5,CODFig.4　EffectofremovalrateofBOD5,CODbyAnMBR50～1409,,,AnMBRBOD590%,COD85%.,BOD590%,COD80%;BOD540%～60%,COD30%～45%.4,,,AnMBRBOD5,COD.,,,,,,,,.,,　1:AnMBRKN-B·81　　　·　;,,[23].,,BOD5,COD.AnMBRSRT(EPS)(SMP)[24],EPSSMP(BPC)[25],BOD5;,,,BOD5,COD.,,AnMBRBOD5COD.5AnMBR、B/C(BOD5/COD),94.5　AnMBRBOD5/CODFig.5　BOD5/CODofAnMBRinfluentandeffluent4、5:、BOD5,COD,BOD5,COD;(AnMBR)B/CB/C,()B/C(AnMBR)B/C,AnMBRB/CAnM-BRB/C..,[26],,,.,,,,.An-MBR,,B/CBOD5COD,B/CAnMBR.,COD,COD(CODB)COD(CODNB).AnMBR,,CODB,CODNB,.,,CODBOD5,B/C[27].,、BOD5CODAnMBR,、B/C,BOD5,;,B/CB/C,,5.2.4　6　Fig.6　Amountofgasreleasingfromanaerobicreactor,、、,,,.,60%～80%[28],CO220%～30%,,H2、H2S.6.　·82　　　·　　　　　30　,.(0～60d),,COD,20～40L/d,,.(60～90d),,,.(90～140d),,KN-B100mg/L500mg/L,,80～140L/d,KN-B,,、COD,.2.5　VFA(VolatileFatlyAcid,VFA),VFA.VFA,VFA,VFA().,VFA.,.,pH,pH,pH.AnMBR,VFApH7.7　VFApHFig.7　ChangesofpH,VFAandAlkalinityinanaerobicreactoreffluent　　7,pH,7.70～8.00,,8.00,,pH.,,,16mmol/L,,,16～18mmol/L.VFA1.0～3.5mmol/L,4.5mmol/L.pH、VFA,,,VFA,,,.2.6　KN-B,KN-B,500mg/L.-,598nm,,,30%,,KN-B500mg/L,,90%,.8AnMBR800～200nmUV-Vis.8　AnMBRUV-Vis(800～200nm)Fig.8　UV-Visscanspectrogram(800～200nm)ofwatersamplefrominfluentandeffluentofAnMBR8,,598nm,,,.,,　1:AnMBRKN-B·83　　　·　.3　结论1),140d,35g/L,10～25g/L,,.2)AnMBR,BOD590%,COD85%.、BOD5,COD.,B/CB/C,AnMBR.3),、VFA16～18mmol/L1.0～3.5mmol/L,pH7.70～8.00,.4),500mg/LKN-B90%,,,.[1]GrethleinHE.Anaerobicdigestionandmembranesepara-tionofdomesticwastewater[J].JWaterPollControlFed,1978,50:754-763.[2]StrohwaldNKH,RossWR.ApplicationoftheADUFRprocesstobreweryeffluentonalaboratoryscale[J].WaterSciTechnol,1992,25(10):95-105.[3]SaddoudA,HassaïriI,SayadiS.Anaerobicmembranere-actorwithphaseseparationforthetreatmentofcheesewhey[J].BioresourTechnol,2007,98(11):2102-2108.[4]HaiFI,YamamotoK,FukushiK.Performanceofnewlydevelopedhollowfibermodulewithspacerinintegratedanaerobic-aerobicfungireactortreatingtextilewastewa-ter[J].Desalination,2006,199(1-3):305-307.[5]FuchsW,BinderH,MavriasG,etal.Anaerobictreat-mentofwastewaterwithhighorganiccontentusingastirredtankreactorcoupledwithamembranefiltrationunit[J].WaterRes,2003,37(4):902-908.[6]HeY,XuP,LiC,etal.High-concentrationfoodwastewatertreatmentbyananaerobicmembranebioreactor[J].WaterRes,2005,39(17):4110-4118.[7]HaradaH,MomoniK,YamazakiS,etal.Applicationofanaerobic-UFmembranereactorfortreatmentofawastewatercontaininghighstrengthparticulateorganics[J].WaterSciTechnol,1994,30(12):307-319.[8]CanHK,KirciB,KavlakS,etal.Removalofsometex-tiledyesfromaqueoussolutionsbypoly(N-vinyl-2-pyrrolidone)andpoly(N-vinyl-2-pyrrolidone)/K2S2O8hydrogels[J].RadiatPhysChem,2003,68(5):811-818.[9]CiardelliG,RanieriN.Thetreatmentandreuseofwastewaterinthetextileindustrybymeansofozonationandelectroflocculation[J].WaterRes,2001,35(2):567-572.[10]SzpyrkowiczL,JuzzolinoC,KaulSN.Acomparativestudyonoxidationofdispersedyesbyelectrochemicalprocess,ozone,hypochlorideandfentonreagent[J].WaterRes,2001,35(9):2129-2136.[11]VlyssidesAG,PapaioannouD,LoizidoyM,etal.Testinganelectrochemicalmethodfo