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510Vol．5No．10201110ChineseJournalofEnvironmentalEngineeringOct．2011SBR2121212121．3003842．3003842SBR0%、0.9%、1.2%、1.5%1.8%W/VNaCl。SBR、、3HRT1、61h。。、、、、。1.8%25。SBRX703A1673-9108201110-2186-07NitrogenremovalfromwastewateratdifferentsaltconcentrationsbytwokindsofactivatedsludgeinSBRZhangYouci12SunLiping12LiuYuemin12WuLi121．DepartmentofEnvironmental＆MunicipalEngineeringTianjinInstituteofUrbanConstructionTianjin300384China2．TianjinKeyLaboratoryofWaterQualityScienceandTechnologyTianjin300384ChinaAbstractThedifferenceofnitrogenremovalfromwastewateratsalinitylevelsof0%0.9%1.2%1.5%and1.8%W/VNaClwasinvestigatedbyusingconventionalandsalt-tolerantactivatedsludgerespectivelywhichweredomesticatedintwosameSBRs．TheSBRoperationalprocessconsistedofanaerobicaerobicandan-oxicphaseswithHRTof16and1h．Theresultsshowedthatsalt-tolerantactivatedsludgehadabettercharac-teristicofnitrogenremovalthanconventionalactivatedsludgeateachlevelofsalinity．AstableremovalrateofNH+4-NNO－2-NandNO－3-Naswellasnitrificationrateanddenitrificationratewererealizedbyusingsalt-toler-antactivatedsludgewithincreasingsalinitycomparedwithagraduallydecreasingremovalrateofNH+4-NandNO－2-NnitrificationratedenitrificationrateexceptastableremovalrateofNO－3-Nbyusingconventionalactiva-tedsludge．Undertheconditionofthesalinityof1.8%thenitrificationanddenitrificationratesofsalt-tolerantactivatedsludgewere2and5timesasfastasconventionalactivatedsludgerespectively．KeywordssalinitydomesticationnitrogenremovalSBR2008ZX07314-005-012508081282010－10－172011－01－021987～。E-mailsinoyaoyao@163．com12。0%～50%0%～1.75%3。448%1.68%。3SBR30%1.05%。52%、。COD、N、P6。7。782。0%～1.8%SBR10SBR2。11．11．1．112。4.9L14cm37cm。10cm。。。、、、、。1．1．2COD400mg/L、、TN40mg/LNH4ClTP8mg/LKH2PO4、、0.3%、0.6%、0.9%、1.2%、1.5%1.8%W/VNaCl。1．1．3SBR212h4min1h6h1h30min30min。、、DO0.1mg/L、2.0～4.0mg/L、0.5mg/L。1．21．2．12SBRAB。A、B2L5d。AB。NaCl0.3%、0.6%、0.9%、1.2%、1.5%1.8%W/V。TN3d。3。1．2．22、、、、。、、、。B1A、B、、。781252A、B1000mL30min321L。A2200mg/LB2800mg/L。NH4Cl、KH2PO4、Na2CO3、MgSO4、CaCl2、NH+4-N40mg/L1L。6～7h2～4mg/L25minNH+4-N、NO－2-N、NO－3-N。KNO3、NH4Cl、KH2PO4、、、、MgSO4、CaCl2、NO－3-N30mg/L1L。2h0.5mg/LpH6.5～7.515minNO－3-N。1．2．39NH+4-NNO－2-NN-1--NO－3-NTNCl－AgNO3DOYSIYSI5100pHTransInstrumentspH600。22.1B3。35dTN82.69%。。。0.3%、0.6%20.9%。0.3%、0.6%、0.9%11、1314dTN72.34%87.54%79.54%。1.2%、1.5%、1.8%35、3038dTN85.57%70.23%70.89%。。、3TNFig.3VariationofremovalrateofTNduringacclimation881210SBR2TN。1011。TN。2．222．2．12、NH+4-N4。42Fig.4RemovalrateofNH+4-Nbytwokindsofsludgeateachlevelofsalinity4。100%。AOB。AOB。0%、0.9%、1.2%、1.5%1.8%NH+4-N100%、93.64%、87.08%、83.04%79.50%。NH+4-NNH+4-N1.8%80%。AOBNH+4-N。AOB。2．2．22、NO－2-N5。52Fig.5AccumulationofNO－2-Nbytwokindsofsludgeateachlevelofsalinity981255NO－2-NNO－2-N/NO－x-N。0%、0.9%、1.2%1.5%NO－2-NNO－2-N/NO－x-N01.8%NO－2-N49.58%。1.8%NOB。0%、0.9%、1.2%、1.5%1.8%NO－2-NNO－2-N/NO－x-N0%、43.05%、48.23%、51.42%50.70%。NO－2-NNO－2-N/NO－x-N。Campos1210。NOB。AOB0%～1.8%NOB0%～1.5%1．8%49.58%。AOBNOB。AOBNOB75%AOBNOB。13NOBAOB。NOBAOB。2．2．3226。6。4.23、2.89、2.21、4.114.16mgNH+4-N/gSS·h62Fig.6Comparisonofnitrificationratebetweentwokindsofsludgeateachlevelofsalinity0.9%1.2%1.5%1.8%。4.23、2.34、2.17、2.081.97mgNH+4-N/gSS·h。。14。10～40d。1.5%4.1mgNH+4-N/gSS·h2。0%～1.8%。2.322．3．1227。72NO－3-N。NO－3-N15minNO－3-NDNB。091210SBR272Fig.7ComparisonofdenitrificationprocessbetweentwokindsofsludgeateachlevelofsalinityNO－3-N1.8%NO－3-N。Charles15。。2．3．228。82Fig.8Comparisonofmaximumdenitrificationratesbetweentwokindsofsludgeateachlevelofsalinity8。0%、0.9%、1.2%、1.5%1.8%26.22、25.85、25.79、26.1224.68mgNO－3-N/gSS·h26.20、15.16、13.02、9.04、4.81mgNO－3-N/gSS·h。1.8%5。。。。Pan-swad16。。3SBR1SBR。0%～1.8%10～40d。2。100%、93.64%、87.08%、83.04%79.50%100%0%、43.05%、48.23%、51.42%50.70%1.8%1.8%、25。3。SBR。191251．．199919517-18ZhangYushanWangJingJiangLidongetal．Effectsofseawatersalinityonthemicrobialecologyintheaerationreactor．IndustrialWaterTreatment199919517-18inChinese2．．19991594-6ZhangYushanWangJingJiangLidongetal．Studyoftheeffectofseawatertoiletflushonmunicipalwastewatertreat-ment．ChinaWaterandWastewater19991594-6inChinese3．SBR．200826127-29ZhangYongYuDeshuangWangHongjuan．Experimentalstudyonthetreatmentofthetreatmentofhighsalinitydo-mesticsewagebyusingSBRprocess．EnvironmentalEngi-neering200826127-29inChinese4．．200525101-5CuiYouweiWangShuyingPengYongzhenetal．Seawatersubstituteandbio-treatmentofsalinewastewater．IndustrialWaterTreatment200525101-5inChinese5．．2002245293-296AnLichaoYanXueyiHuLeietal．Reviewofcharacteris-ticofhalophilicandbiologicaltreatmentofhapersalinewastewater．EnvironmentalPollutionandControl2002245293-296inChinese6AhmetUygurFikretKarg．Saltinhibitiononbiologicalnu-trientremovalfromsalinewastewaterinasequencingbatchreactor．EnzymeandMicrobialTechnology2004343-4313-3187．．200323150-54YuDeshuangPengYongzhenZhangXiangsietal．Effectoftheseawatersalinityonthenitrification-denitrificationvianitritepathway．IndustrialWaterTreatment200323150-54inChinese8．．200526349-51ZhiXiahuiCuiJinyuPengYongzhenetal．Studyonshort-cutnitrification-denitrificationinthetreatmentofsalinitywastewater．JournalofQingdaoInstituteofArchitectureandEngineering200526349-51i