SBR中不同曝气方式下CANON工艺的启动与运行李冬

49920179JOUＲNALOFHAＲBININSTITUTEOFTECHNOLOGYVol.49No.9Sep．2017DOI10．11918/j．issn．0367-6234．201604003SBＲCANON11111121．1001242．150090CANONCANONDO．CANON．CANONSBＲSBＲＲ1SBＲＲ2CANON．Ｒ1Ｒ221、27CANON．HＲTＲ1Ｒ225d、33dCANON．Ｒ1Ｒ284．32%、73．62%．SBＲ//Ｒ124．7%、58．54%86．Ｒ1AOBAnAOBNOB．．X703．1A0367－6234201709－0109－08Start-upandlongtermoperationofCANONinsequencingbatchreactorwithdifferentaerationpatternsLIDong1LIXiaoying1YANGJie1LYufeng1LIANGYuhai1WANGYanju1ZHANGJie121．KeyLaboratoryofBeijingforWaterQualityScienceandWaterEnvironmentＲecoveryEngineeringBeijingUniversityofTechnologyBeijing100124China2．StateKeyLaboratoryofUrbanWaterＲesourceandEnvironmentHarbinInstituteofTechnologyHarbin150090ChinaAbstractIntheoperationofcompletelyautotrophicnitrogenremovalovernitriteCANONprocessarecentlydevelopednewtypeofnitrogenremovaltheimpropercontrolofDOcaneasilyleadtothedeclineorevencollapseofthenitrogenremovalrate．ThekeytothestableoperationoftheCANONprocessisreasonablecontrolofdissolvedoxygeninsidethereactor．GivencontroversiesofthepresentfindingsonthestartupandlongrunningofCANONindifferentaerationmodesthestartupandperformanceofCANONprocessweretestedinSBＲwithtwodifferentaerationstrategies—intermittentaerationＲ1andthecontinuousaerationＲ2．ＲesultsshowedthattheCANONwassuccessfullydevelopedinbothＲ1andＲ2within21dand27d．AfterextendedaerationdamageCANONofＲ1andＲ2fullyrecoveredwithin25dand33donconditionsofHＲTchangeandruncycleincrease．ThefinalTNremovalratesofＲ1andＲ2were84．32%and73．62%．Theresultsfurthershowedthatbothalternatingnitritation/anammoxandsimultaneousnitritation/anammoxcontributedtoN-removalinSBＲandtheircontributionsinＲ1accountedfor58．54%and24．7%86d．ThebioactivityofammoniaoxidizingbacteriaAOBandanaerobicammoniaoxidizingbacteriaAnAOBinＲ1washigherthanthatofＲ2whilethebioactivityofnitriteoxidizingbacteriaNOBshowedacontraryresult．IntermittentaerationisaneffectivemeanstoobtainstablyhighTNremoval．KeywordsCANONintermittentaerationcontinuousaerationextendedaerationSBＲ2016－04－022014000026833TD021976—1938—[e-mail]、、1．CANON2－3．CANONDO．CANON．CANON．Ma4SBＲ5SBBＲYang6MBBＲCANONSobotka7SBＲCANONCorbalá－Ｒobles8SBＲCANON．CANON．2SBＲCANONCANONCANONCANON．11．11．SBＲＲ1、Ｒ235cm13cm4L66．7%．5cm．、、．、．!#$%&’()1—2—3—4—5—6—、、、7—8—pH9—DO1Fig．1Schematicdiagramofexperimentaldevice1．21500mg/LＲ1Ｒ2NH42SO4NaHCO3NH4+-NI、II9IEDTA5000mg/LFeSO45000mg/L．IIEDTA15000mg/L、ZnSO4·7H2O430mg/L、CoCl2·6H2O240mg/L、MnCl2·4H2O990mg/L、CuSO4·5H2O250mg/L、Na2MoO4·2H2O220mg/L、NiCl2·6H2O190mg/L、Na2SeO4·10H2O210mg/LH3BO414mg/L．1．1Tab．1WaterqualityduringthetestperiodρNH4+-N/mg·L－1CaCO3/mg·L－1MgSO4·5H2O/mg·L－1CaCl2/mg·L－1KH2PO4/mg·L－1Ⅰ/mL·L－1Ⅱ/mL·L－160～801600～1800804040111．3SBＲ15min、、40min、3min．20～25℃67．7%．1/30min/30minDO0．38mg/L．2DO0．23mg/L．2CANON、．1．4DO、T、pHWTWMLSS．NH4+－NNO2－－NN－1－NO3－－N10．85～90Ｒ1Ｒ21L2．CANON、Anammox·011·49AOBAnAOB、AnAOBNOB．325℃pH7．6．CANON80mg/L0．25L/min1h、、．Anammox45．5mg/L34．5mg/L1h、、．80mg/L0．25L/min1h、．CANONAnammox12vCANONAnammox=ρTN－ρTNt·ρMLSS1v=ρNO－3－N－ρNO－3－Nt·ρMLSS．222．1CANONCANONΔρTNΔρNO3－－N811ΔρTN/ΔρNO3－－N8ΔρTN/ΔρNO3－－N8NOBΔρTN/ΔρNO3－－NNOB12．2Ｒ1Ｒ22dAOB．7dＲ1Ｒ24．2NOB．8～21dＲ1ΔρTN/ΔρNO3－－NＲ2．21Ｒ1ΔρTN/ΔρNO3－－N7．88CANON2a．Ｒ227ΔρTN/ΔρNO3－－N7．6CANON．2．11Ｒ148．92%、39．9%Ｒ246．58%、37．71%Ｒ1Ｒ2．21Ｒ182．79%、70．75%Ｒ274．73%、62．57%．Ｒ1Ｒ2．!#$%&’!$’!&’#’%(!!(&&()!*+!#$%&’(*),-./,-.+01!*+#$,*2!#$%&!#$,*2!#$%&+#$,*2!#$%&!#$,*2’!$’!&’#’%!#$%&’(*),-./,-.+01!*#3$(%)-./#3$(%)-./(!!(&&())(!*++#$,!#$,!#$%&’(-./aＲ1bＲ22Ｒ1、Ｒ2CANONFig．2Start-updiagramofCANONprocessinＲ1Ｒ2·111·9SBＲCANON2．2CANON90%SBＲ13．AnAOBNOB．AnAOBAOBNOBAnAOB．Lackner14CANON．、、1h1h1h30min30minCANONCANON．CANON10dＲ1Ｒ210d．．3Ｒ130～40dＲ237～47dＲ1Ｒ280%．AOBAnAOBNOBAOBAnAOB．ΔρTN/ΔρNO3－－NＲ17．695．23Ｒ27．65．2NOBAnAOB．1522±1℃NOBNOB．．!#$%&’!$’!&’#’%!()!#$%&’(()*+,-*+,)./!*+#$,(0!#$%&!#$,(0!#$%&+#$,(0!#$%&!#$,(0’!$’!&’#’%!#$%&’(()*+,-*+,)./!*#1$2%3-./#1$2%3-./%%2222$$2112##24!()+#$,!#$,!#$%&’(-./332%%2222$$2112##24aＲ1bＲ23CANONFig．3PerformanceofthereactorinrunningCANONprocessunderdifferentaerationpatternsafterextendedaerationＲ1Ｒ24047．Abeling16FA1．0～10mg/LNOBAOBＲALNOB17HＲT5hＲAL0．8kg/m3·dFANH31．14～4．5mg/LDOCANON．30～7dΔρTN/ΔρNO3－－N·211·495．2NOBNOB．．Ｒ1Ｒ2．Ｒ165CANON．Ｒ281．Ｒ1Ｒ225、33dＲ1NOB18AOBNOB“”AOBNOB19AnAOB20．Kornaros21NOBNOB．Ｒ1Ｒ2Ｒ190Ｒ10．157kg/kg·d84．36%Ｒ20．14kg/kg·d73．62%．CANON．HＲTFACANON．2．32．3．14abＲ1、Ｒ2CANON86DO．4aDO0．38mg/LTNAOBANAMMOXTNTN．8．0mg/LAnAOB1．23mg/LTN17．83mg/L．．TN1．37、12．92mg/L．4bＲ2DO0．23mg/LＲ2120min2．53mg/L120min．12．56、22．92mg/L．Ｒ1Ｒ2．!#$%&’(&&’)&&*+,+-+.+/+$+)+(+0+++1/+1$+1)+1(+10++)+.+*+0(+0/+0,+(0+($+(-+)++!23456’27389:&0;7!;2#389:&0$*+,+-+.+/+$+)+(+0+++1/+1$+1)+1(+106’27389:&0;7!;2#389:&0$)+.+*+0(+0/+0,+(0+($+(-+)++!2345+aＲ1bＲ24DOFig．4ChangeofnitrogenandDOduringatypicalcycle·311·9SBＲCANON．2．Ｒ130．30mg/L53．95mg/LAnAOBCANON．Ｒ1NOBAnAOB22．53．95～30．30mg/LCANON2．72mg/LΔρNO3－－N/ΔρNH4+－N0．115CANON1∶0．11AOBAnAOBNOB．30．30mg/L24．25mg/L．6．02mg/LΔρNO3－－N/ΔρNH4+－N0．2480．26．．Ｒ1/SNA/ANA5．Ｒ2/．66．67mg/L7．85mg/LΔρNO3－－N/ΔρNH4+－N0．1180．11．2/Tab．2Changeofnitrogeninaerobic/anaerobicduringatypicalcycle/mg·L－1/mg·L－1/mg·L－1ΔρNO3－－N/ΔρNH4+－NＲ153．9524．2530．302．726．020．1150