复合耐盐微生物菌剂强化MBBR工艺处理高盐废水李坤

96Vol．9No．620156ChineseJournalofEnvironmentalEngineeringJun．2015MBBＲ222004MBBＲSEM5%～10%。MBBＲNaClNa2SO4。MBBＲ5%～7%COD5343mg/LMBBＲCOD300mg/L100mg/L2.67kgCOD/m3·dCOD3563mg/LCOD400mg/L150mg/L1.68kgCOD/m3·d。MBBＲ、。MBBＲX703A1673-9108201506-2829-06TreatmentofhighsaltwastewaterinMBBＲprocessstrengthenedbycomplexsalt-tolerantmicroorganismLiKunXuJunYunGanZhaoYanDongZibinLiuJuanWangKaichunChinaBluestarLehighEngineeringCorp.Lianyungang222004ChinaAbstractThecomplexsalt-tolerantmicroorganismwasinoculatedintomovingbedbiofilmreactorMBBＲinordertostudythestartupmethodsofbiofilmformationandinvestigatetheremovalefficiencyofMBBＲforhigh-saltwastewaterwiththesalinityof5%～10%.Theresultsshowedthatthebiofilmcouldbeculturedsuccessfullyinhighsaltenvironment.ThestartupprocessofMBBＲwasaffectedbysalinityandtypesofsaltthebiofilmformingcyclerequiredmoretimeathighersalinityandtheeffectofbiofilmforminginNaClsystemwasbetterthanNa2SO4systematthesamesalinity.TheaerobicMBBＲandactivatedsludgeprocesswereusedfortreatmentofcarboxymethylcellulosewastewatertheMBBＲhadabettertreatmenteffectinthesalinityof5%～7%.WheninfluentCODwas5343mg/LintheMBBＲtheeffluentCODwasbelow300mg/LthefinaleffluentCODwasbelow100mg/Lafterflocculationthevolumetricloadingcouldreach2.67kgCOD/m3·d.WhentheinfluentCODwas3563mg/LintheactivatedsludgeprocesstheeffluentCODwasbelow400mg/Lthefi-naleffluentCODwasbelow150mg/Lafterflocculationthevolumetricloadingwasonly1.68kgCOD/m3·d.ComparedwiththeactivatedsludgeprocesstheMBBＲhadthestrongstabilityandremovalefficiencyitcouldresisttheimpactsofhighsalinityfluctuationorganicloadingandsoon.Keywordscomplexsalt-tolerantmicroorganismhigh-saltbiofilmhigh-saltwastewaterbiofilmformationandstart-upMBBＲBM2011094CG1015SH12012014－04－212014－06－111988—。[e-mail]1%15%～30%、、、、、、1-5。、。96-8。5%5%、、、5%、、、、。。9、1011movingbedbio-filmreactorMBBＲ。MBBＲ12。MBBＲ、、。MBBＲ3%～5%13-165%、、。MBBＲ“+”5%、。。11.1MBBＲ1150mm500mm6L。310mm×8mm、25mm×12mm50mm×32mm30%～50%。24h22h2h、。1MBBＲFig.1MBBＲexperimentalequipment1.2SEM《》17。、1%～20%。1.3MBBＲ、N、P、KNH4Cl、KH2PO4、K2HPO4NaClNa2SO4。carboxymethylcelluloseCMCTOC6505～8510mg/LCOD15285～22596mg/LCl－27499～31303mg/L69260～71890mg/L。1.4MBBＲSEM03826MBBＲ3～5g/L30%～50%。、。“、+”2COD20%CMC+。5%、10%NaClNa2SO44MBBＲ。46L、。1.5MBBＲMBBＲ10%～20%CMCTOC、COD、2。MBBＲPACPAMPACPAM。1.618TOC-TOCCODNH3-NTPCl－SO2－4DFM-60CCarlZeissLSM710Turb430。CODCl－19MLSS。22.1MBBＲ2.1.1MBBＲ1.420dCOD2。COD10d0.2mmCOD40%10d。2CODFig.2CODremovalefficiencyandbiofilmthicknessvariation34d2d1d。。2.1.2MBBＲMBBＲ35%10%NaClNa2SO4SO2－4Cl－5%NaClNa2SO47d10%NaClNa2SO412d3MBBＲFig.3BiofilmgrowtheffectofMBBＲ13829。。2.1.3MBBＲ5%NaClⅡ25mm×12mmⅠ10mm×8mmⅢ50mm×32mm18、3245d。1MBBＲ6L2。25mm×12mmⅡ。2.2CMC2.2.1-MBBＲCOD15%NaCl6%3L10%～20%3COD4。4CMCCODFig.4CODremovalefficiencyofCMCwastewater4CMC1.13kgCOD/m3·dCOD2259mg/LCOD200mg/L100mg/L95%1.4kgCOD/m3·dCOD2800mg/LCOD250mg/L150mg/L95%。1.3kgCOD/m3·d。24h1.3kgCOD/m3·d。2.2.2-TOCCOD10h、22hCOD2～33LMBBＲCMCTOCCOD5。5CMCTOCFig.5TOCremovalefficiencyofCMCwastewaterMBBＲTOC2137mg/LCOD5343mg/LTOC120mg/LCOD300mg/LTOC40mg/LCOD100mg/L2.67kgCOD/m3·dTOC1425mg/LCOD3563mg/LTOC160COD400mg/LTOC60mg/LCOD150mg/L1.68kgCOD/m3·d。MBBＲ、23826MBBＲ。MBBＲCMCTOCCOD。2.2.3CMC5%。MBBＲCMC6。6MBBＲCMC61%。6Fig.6Effectofdifferenttreatmentsonturbidityofeffluent21MBBＲ25NTU67.1%PAC260mg/L、PAM2mg/LPAC850mg/L、PAM5mg/L103NTU25.4%。SS、。1Table1FlocculationexperimentofbiochemicoleffluentNTUNTU%MBBＲ762567.113810325.42.3SEMMBBＲ5%。CMCCMC20-223%6%2。2～4、。、。31MBBＲ5%、10%NaClNa2SO44SEM“+”5%。、NaClNa2SO4Na2SO4。2MBBＲ5%～7%CMCMBBＲCOD5343mg/LCOD300mg/L100mg/LCOD3563mg/LCOD400mg/L150mg/L。MBBＲ、、。3MBBＲCMC11.3kgCOD/m3·d2.67kgCOD/m3·d。、33829。1WangJinLuHuiChenGuanghaoetal.Anovelsulfatereductionautotrophicdenitrificationnitrificationintegrat-edSANIprocessforsalinewastewatertreatment.WaterＲesearch20094392363-23642Abou-ElelaS.I.KamelM.M.FawzyM.E.Biologicaltreatmentofsalinewastewaterusingasalt-tolerantmicroor-ganism.Desalination201025011-53DanN.P.VisvanathanC.BasuB.Comparativeevalua-tionofyeastandbacterialtreatmentofhighsalinitywastewaterbasedonbiokineticcoefficients.BioresourceTechnology200387151-564ArtigaP.OyanedelV.GarridoJ.M.etal.Aninnova-tivebiofilm-suspendedbiomasshybridmembranebioreactorforwastewatertreatment.Desalination20051791-3171-1795PernettiM.PalmaL.D.Experimentalevaluationofinhi-bitioneffectsofsalinewastewateronactivatedsludge.En-vironmentalTechnology2005266695-7046CamposJ.L.Mosquera-CorralA.SánchezM.etal.Nitrificationinsalinewastewaterwithhighammoniacon-centrationinanactivatedsludgeunit.WaterＲesearch200236102555-25607LefebvreO.MolettaＲ.TreatmentoforganicpollutioninindustrialsalinewastewaterAliteraturereview.WaterＲe-search200640203671-36828KellerJ.YuanZhiguoBlackallL.L.Integratingprocessengineeringandmicrobiologytoolstoadvanceactivatedsludgewastewatertreatmentresearchanddevelopment.Environmen-talScienceandBiotechnology20021183-979.A/O.2011271102-104LvBaoyiXieBingShaoChunlietal.Treatmentofsa-lineorganicwastewaterbytwo-stageA/Obiologicalcontactoxidationprocess.ChinaWater＆Wastewater2011271102-104inChinese10..2011276977-983WangJichengZhangXiuxiaWang