复合菌剂强化处理高盐废水脱氮效果唐婧

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96Vol.9No.620156ChineseJournalofEnvironmentalEngineeringJun.20151211111.1101682.110016SBR1SBR2。6h96%3.8mg/L。、。5%7%15mg/L0%3%15mg/L。。SBRX703A1673-9108201506-2699-07EfficiencyofsalinewastewaterdenitrificationbybioaugmentationwithcompositemicrobialinoculumTangJing12QuShanshan1FuJinxiang1ZhaoKai1BaoJie11.SchoolofMunicipalandEnvironmentalEngineeringShenyangJianzhuUniversityShenyang110168China2.InstituteofAppliedEcologyChineseAcademyofScienceShenyang110016ChinaAbstractSalt-tolerantdenitrificationcompositemicrobialinoculumwereaddedintosequencingbatchre-actortodevelopabioaugmentationsystemSBR1takingasystemwithoutcompositemicrobialinoculumSBR2ascontrol.Thisstudycomparedandanalyzedtheirtransformationofnitrogenandchangesofdissolvedoxygenintypicaloperationcycleandtheperformanceundersalinityshock.Theresultsdemonstratedthatwhentheaerationtimewas6hoursthedenitrificationratemaintainedabove96%inthebioaugmentationsystemandthetotalnitrogenofeffluentwasaround3.8mg/L.Meanwhilenitrateandnitritealwayshadnoaccumulationthebioaugmentationsystemhadthecapacityofsimultaneousnitrificationandaerobicdenitrification.Whenfacingsa-linityshockof5%and7%thebioaugmentationsystemhadremarkableperformance.Afterquickrecoveryitsef-fluenttotalnitrogenwasbelow15mg/L.Whenshockedby0%salinitythecontrolsystemwasfailedandunabletorestore.Whilethebioaugmentationsystemrecoveredquicklybyinoculating3%ofsalt-tolerantdenitrificationcompositemicrobialinoculumandtotalnitrogenofeffluentdroppedtobelow15mg/Lagain.Thisresearchcouldprovidetechnicalsupportforconstructionandoperationofbioaugmentationsalinewastewaterdenitrificationsystem.KeywordsbioaugmentationsalinewastewatercompositemicrobialinoculumSBRsalinityshock513083542014-K7-0172015-01-162015-02-051980—。E-mailfairy_ben@163.com.。2500m31。。20201000m3/2。NaCl1%~3%。3、4、5、6NaCl3%78100mg/L91000mg/L。。9。1011。12CASTCOD30mg/L90%20%95%65%30%~75%。Lefebvre13SBR12%CODTKN83%72%3020mg/L。Choi14A9PichiaguilliermondiiNaCl10%BOD590%A9。、。。15DO2SBR。11.1Halomonassp.F3F5、Ba-cillussp.X23Halomonassp.N391∶1∶10∶6015。1.2NaCl30g/LMgSO43.248g/LMgCl22.26g/LCaCl21.153g/LNaHCO30.198g/LKCl0.721g/LK2HPO4·3H2O1g/LNH4Cl0.357g/LNaNO30.607g/LCH3COONa5.13g/LFeSO4·7H2O0.05g/L2mL2mL16。1.34SBR1150mm120mm0.8L。30℃pHDOpHDO、。1Fig.1BiologicaldenitrificationtestequipmentSBR2、、、、、。SBR1h、1hSBR5、5.5、66.5h6h。1.4CODN-1--MLSSDOHQ40dpHORPS20pH。22.1SBRSBR121.51mg/L、mC∶mN14.95、5.4%17120mg/L、C/N150%007263%2SBR5.4%MLSS2500mg/LOD6001.6SBR1SBR2。MLSS2512.25mg/L2507.88mg/L。SBRDO18。DO。5、5.5、66.5h。2SBR1SBR2。5h5.5hSBR190%SBR220mg/L。6h9.50mg/L18.00mg/L92%85%。6.5hSBR1SBR295.50%~96.87%90.50%~91.20%3.80~5.50mg/L10.00~11.00mg/LA。56h96.8%91%2SBR1SBR2Fig.2DenitrificationcharacteristicsofSBR1andSBR2underdifferentaerationtimes3.80mg/L10.00mg/L。5.5h15mg/L。6h25~3515~20。6h6.5h15mg/L6h。2.2SBR1SBR2SBR1SBR2DO。2.12SBR1SBR2MLSS2502.15mg/L2497.78mg/L。3SBR1SBR24.62mg/L10.27mg/L96.22%91.58%SBR15mg/L。SBR1SBR2SBR1-DO16SBR1SBR2。SBR10.004mg/LSBR1323SBR1SBR2Fig.3VariationtrendofNH+4-NconcentrationandNO2-NconcentrationofSBR1andSBR210729SBR1。19-X315%、24h398.29%、99.07%96.48%。4SBR11mg/L3SBR1。SBR24.32mg/L1h6SBR21hSBR2。SBR1SBR2SBR1。4SBR1SBR2DOFig.4VariationtrendofNO3-NconcentrationandDOofSBR1andSBR2、DO。1hDO3.9mg/L3.6mg/L4CODDO。SBR1SBR245DO。CODDO。SBR11hDO。。2.3SBR1SBR2。42505.78mg/L2498.15mg/L5~1415~22SBR1SBR25%、7%0%3%。2.3.15%、7%SBR1SBR2120mg/L、C/N155.4%SBR。5、64SBR1SBR290%。SBR1SBR25%7%。Cl-68SBR1SBR260%~65%50%6Cl-80%。3%SBR1SBR2SBR1210mg/LSBR2TN17mg/LSBR1SBR2。2.3.20%SBR1SBR24SBR1SBR295.8%91.62%5.16mg/L10.27mg/L。5~140%3%2072655%SBR1SBR2Fig.5DenitrificationcharacteristicsofSBR1andSBR2under5%salinityshock67%SBR1SBR2Fig.6DenitrificationcharacteristicsofSBR1andSBR2under7%salinityshock7SBR1SBR2721.65%18.89%。43.09%35.95%69.92mg/L78.51mg/L。5%7%0%5%7%。MLSS15%7%MLSSSBR1MLSSSBR2。0%MLSS0%5%7%。。70%SBR1SBR2Fig.7DenitrificationcharacteristicsofSBR1andSBR2under0%salinityshock1Table1Changesofbiomassaftersalinityshockintwosystemsmg/L5%7%0%SBR1MLSS2380.492355.202129.91SBR2MLSS2248.342223.432000.523%SBR1SBR2745.59%38.66%。0%。22SBR13%394.9%6.24mg/LSBR22639.24%。3%。。316h96%307293.8mg/L。、。2。5%7%15mg/L0%3%。。3DNA。1..201315139WangLi.Waterresourcesprotectionandutilizationintheconstructionofeconomysociety.ScienceandTechnologyandEnterprise201315139inChinese2.、.20122130-33ZhuQingpingShiXiaomingZhanHonglietal.Seawa-terutilizationinChinacurrentsituationissueanddevel-opmentstrategy.ChinaWaterResources20122130-33inChinese3..2013731029-1034LinYulianZhangZhaoZhuangRuixinetal.Treatmentofphenolinsalinesolutionsbyanoveltwo-phasepartitio-ningbioreactor.ChineseJournalofEnvironmentalEngi-neering2013731029-1034inChinese4.ASBBR.201329118-21ZhangYongshengZhouJianHanYietal.Efficiencyofanaerobicsequencingbatchbiofilmreactorfortreatmentofhypersalinemustardtuberwastewater.ChinaWater&Wastewater201329118-21inChinese5..201364184-94RenNanqiZhouXianjiaoGuoWanqianetal.Areviewontreatmentmethodsofdyewastewater.CIESCJournal201364184-94inChinese6PendashtehA.R.AbdullahL.C.Fakhru’l-RaziA.etal.Evaluationofmembranebioreactorforhypersalineoilywastewatertreatment.ProcessSafetyandEnviro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