HYBAS工艺的脱氮效能及同步硝化反硝化分析王翥田

HYBAS1231．2661092．2665553．266002A2/OHYBAS。40%、pH7～8．7、DO1．2～1．7mg/L、300%、HＲTH7～8hHYBASCOD、NH+4－N、TN94%、97%、87%HYBASSNDTN9～14mg/L。HYBASTU992．3C1000－4602201815－0059－05NitrogenＲemovalEfficiencyandSimultaneousNitrificationandDenitrificationofHYBASProcessWANGZhu-tian1CHEMing-feng2HANPing31．QingdaoBranchShandongChangleSalconWaterCo．Ltd．Qingdao266109China2．QingdaoＲuiyuanEngineeringGroupQingdao266555China3．TuandaoWWTPQingdao266002ChinaAbstractSuspendedcarrierswereaddedintotheaerobictankinamodifiedA2/Oprocesstoformthehybridbiofilm－activatedsludgeHYBASprocessandtoresearchthenitrogenremovalefficiencyoftheprocessusingwastewaterfromTuandaoWWTP．Thefillingratewas40%andtheaerationpipeswerelaidnon-uniformlyandsymmetricallyalongthemarginsofthetankbottom．Whenusingthefollow-ingsettingspHof7－8．7DOof1．2－1．7mg/Linternalrefluxratioof300%HＲTHof7－8htheremovalrateofCODNH+4－NandTNreachedabove94%97%and87%respectively．Simultane-ousnitrificationanddenitrificationSNDwasidentifiedintheHYBAStankwhichremovedTNby9－14mg/Lintheprocess．KeywordsHYBASprocessenhancedremovalofnitrogensimultaneousnitrificationanddenitrificationA2/OHYBAS。HYBAS、、。HYBAS·95·341520188CHINAWATEＲ＆WASTEWATEＲVol．34No．15Aug．2018。HYBAS1～4。、、A2/O－HYBAS。HYBAS。11.1A2/OSPＲ－140%1．6mHYBAS。Q1m3/hＲ100%r100%～600%。1。1A2/O+HYBASFig．1FlowchartofmodifiedA2/O+HYBASprocess1～5、、、HYBAS、HＲT1、1．5、9、11．5、0．5h。1.26。COD1000mg/L、NH+4－N80mg/L、TN100mg/L、TP15mg/L、pH6～9COD380～978mg/L、NH+4－N48～112mg/L、TN58～124mg/L、TP6～17mg/L、pH7～8．7548mg/L、82．1mg/L、93．7mg/L、9．5mg/L、7．9。18～23℃HＲTDO2～3mg/L1∶1。1～2dMLSS4000mg/LSV3025%COD、NH+4－N、TNB40d2。3。COD、NH+4－N、TNA。2Fig．2Carrierafterbiofilmformation3Fig．3Microorganismonbiofilmsurface1HYBAS3d。COD、NH+4－N、TN、TPpH、DO。CODDOsension6HY-BAS30cmpHsension1pHNH+4－N·06·3415．watergasheat．comNO－3－NTN－TP。22.1DOHYBASHＲTH12hr600%Ｒ100%DOHYBAS4。4DOHYBASFig．4InfluenceofDOonHYBASprocess4aDO1mg/LCOD55mg/LDO≥2mg/LCODA94%。4bDO1mg/L4．9mg/LDONH+4－NA98%。4cDO1～3mg/LTN＜15mg/LA88．2%DO4mg/LTNDO5～6mg/LTN17～18mg/L。DO2～3mg/LCOD、NH+4－NTNTPTP＜1．4mg/LDOCODNH+4－NTN。DODO－NO－3－N。、NO－3－NDO2mg/LNO－3－NTN。2.2HYBAS2．1HＲTH12h、DO2～3mg/LCOD、TN。HＲTH=12hDO3mg/LrrTN5。5TNFig．5ＲelationshipbetweenTNremovalrateandinternalrefluxratioTNηη=Ｒ+r/Ｒ+r+1×100%11。r≤300%TN85%r＞300%TN。TPr＞300%TP1．2·16·．watergasheat．comHYBAS3415～1．9mg/Lr≤300%TP＜1mg/L。r300%。2.3HYBASHＲTH12h、r300%、DO3mg/LHYBASHＲT6。6HYBASFig．6InfluenceofHＲTonHYBASprocessHＲTH≤6hDO＜1mg/LNH+4－NHＲTH≥8hDO1．7mg/L。HＲTH6h6．2mg/LTN13．4mg/L85．6%HＲTH8h87．7%。HＲTH＞14hDO＞5mg/LTN16mg/LHＲTH7～8hDO1．2～1．7mg/LNH+4－N、TN97．5%、87．7%。HYBAS。2.4≥75＜5HYBASTN。TNTNHYBAS、TNHＲTH7～8h、DO1．2～1．7mg/L、TN18～27mg/LTN9～13mg/L9～14mg/LSND6DOSND。、、SNDHYBAS－－。HYBASSND6。3①HYBAS。②pH7～8．7、DO1．2～1．7mg/L、r300%、HＲTH7～8hA2/O+HYBASCOD、NH+4－N、TN94%、97%、87%HYBASTN9～14mg/L。1．J．200935101．PengYongzhen．Aconsiderationaboutpollutantsdis-chargestandardofwastewatertreatmentinthiscountryJ．Water＆WastewaterEngineering200935101inChinese．·26·3415．watergasheat．com2ＲustenBKolkinnOdegaardH．MovingbedbiofilmreactorsandchemicalprecipitationforhighefficiencytreatmentofwastewaterfromsmallcommunitiesJ．Wa-terSciTechnol199735671－79．3．HYBASTMJ．2006221221－25．LiaoZuliang．ApplicationofHYBASTMprocesstoupgra-dedactivatedsludgeprocessJ．ChinaWater＆Wastewater2006221221－25inChinese．4．J．2000194183－186．BiXuejunGaoTingyao．IntensivetestonnitrificationofaerobiczoneofbiologicaldenitrificationandphosphorusremovalprocessJ．ShanghaiEnvironmentalSciences2000194183－186inChinese．5．J．20055611－15．GaoJingfengPengYongzhenWangShuying．EffectoforganiccarbononaerobicnitrogenremovalintreatmentoflowCOD/TNdomesticwastewaterJ．JournalofSafetyandEnvironment20055611－15inChinese．6．J．200733254－5576．ZhangChaoshengZhangKefangFangQianetal．Nitro-genremovaleffectofmunicipalsewagewithlowcarboncontentbysequencingbatchbiofilmreactorSBBＲandlawofcarbonconversionJ．TechnologyofWaterTreat-ment200733254－5576inChinese．1982－。[e-mail]櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆2018－03－1258D．2013．GaoHuanfang．TheＲesearchofAdvancedOxidationDegradation24-DimethylphenolinWaterofSodiumPer-sulfateD．ChangchunJilinUniversity2013inChi-nese．6BennedsenLＲMuffJSgaardEG．Influenceofchlo-rideandcarbonatesonthereactivityofactivatedpersul-fateJ．Chemosphere201286111092－1097．7FangJYShangC．Bromateformationfrombromideoxi-dationbytheUV/persulfateprocessJ．EnvironSciTechnol201246168976－8983．8．D．2016．JinYixin．IodinatedProductsFormationinPeroxomono-sulfateOxidationSystemD．HarbinHarbinInstituteofTechnology2016inChinese．9．J．2014344931－937．LiaoYunyanLiuGuoqiangZhaoLietal．ＲemovalofatrazineinheatactivatedpersulfateoxidationprocessJ．ActaScientiaeCircumstantiae2014344931－937inChinese．1983－。[e-mail]2018－03－12·36·．watergasheat．comHYBAS3415