规模化猪场养殖废水UASBSFSBRMAP处理工艺中试研究

34320133ENVIRONMENTALSCIENCEVol．34No．3Mar．2013UASB-SFSBR-MAP1212313*1．3100582．3100583．310058-SBR、、“UASB-SFSBR-MAP”．UASB-SFSBR-MAPCOD、NH+4-NTP95.1%、92.7%88.8%MAP23.9%83.8%．COD≤135mg·L－1、TN＜116mg·L－1、NH+4-N＜43mg·L－1、TP≤7.3mg·L－1、SS≤50mg·L－1《》GB18596-2001．-．UASB-SFSBR-MAP．SFSBRMAPX713A0250-3301201303-0979-072012-05-092012-08-162012ZX07101012-031988～[e-mail]*[e-mail]-SFSBR-MAPProcessfortheLargeScaleSwineWastewaterTreatmentWANGLiang12CHENChong-jun1CHENYing-xu23WUWei-xiang131．CollegeofEnvironmentalandResourceSciencesZhejiangUniversityHangzhou310058China2．AcademyofWaterScienceandEnvironmentalEngineeringZhejiangUniversityHangzhou310058China3．MinistryofAgricultureKeyLaboratoryofNon-PointSourcePollutionControlHangzhou310058ChinaAbstractInthispaperatreatmentprocessconsistedofUASBstep-fedsequencingbatchreactorSFSBRandmagnesiumammoniumphosphateprecipitationreactorMAPwasbuilttotreatthelargescaleswinewastewaterwhichaimedatovercomingdrawbacksofconventionalanaerobic-aerobictreatmentprocessandSBRtreatmentprocesssuchasthelowdenitrificationefficiencyhighoperatingcostsandhighnutrientlossesandsoon．Basedonthetreatmentprocessapilotengineeringwasconstructed．ItwasconcludedfromtheexperimentresultsthattheremovalefficiencyofCODNH+4-NandTPreached95.1%、92.7%and88.8%therecoveryrateofNH+4-NandTPbyMAPprocessreached23.9%and83.8%theeffluentqualitywassuperiortothedischargestandardofpollutantsforlivestockandpoultrybreedingGB18596-2001massconcentrationofCODTNNH+4-NTPandSSwerenothigherthan135116437.3and50mg·L－1respectively．Theprocessdevelopedwasreliablekeptself-balanceofcarbonsourceandalkalinityreachedhighnutrientrecoveryefficiency．Andtheoperatingcostwasequaltothatofthetraditionalanaerobic-aerobictreatmentprocess．SothetreatmentprocesscouldprovideahighvalueofapplicationanddisseminationandbefitforthetreatmentofthelargescaleswinewastewaterinChina．KeywordsswinewastewaternitrogenremovalphosphorousremovalSFSBRMAPcrystallizationrecovery14000123.6·a－11.434%．2010“”COD、TNTP95.78%、37.89%56.30%．SBRC/N、、、1～3．34．CODNH+4-N．CODC/N4．step-fedsequencingbatchreactorSFSBR56．CODNH+4-NTPPO3－4-P．7～10．magnesiumammoniumphosphateprecipitationprocessMAPMg2+Mg2+NH+4-N、PO3－4-PMgNH4PO4·6H2O11．C/NUASB-SFSBR-MAP．11.12．pH7.2～7.6SS1500～4000mg·L－1COD4000～8000mg·L－1BOD51500～3500mg·L－1TN700～1500mg·L－1NH+4-N430～580mg·L－1TP120～250mg·L－1PO3－4-P35～60mg·L－1NO－3-NNO－2-N．-UASB-SFSBR-MAP1．UASB2.4m×8.5mSFSBR××=4m×4m×2.2mMAP2.4m×1.9m0.7m．10t．1UASB-SFSBR-MAPFig．1PilotUASB-SFSBR-MAPprocessforswinewastewatertreatment1.2UASBCOD、．MLSS1000～1500mg·L－1．SFSBRMLSS2500～3000mg·L－1．2．1.3SS80%COD、BOD5、TNTPpH7.2～7.6SS300～800mg·L－1COD1500～2800mg·L－1BOD5600～1200mg·L－1TN500～800mg·L－1NH+4-N430～580mg·L－1TP40～70mg·L－1PO3－4-P35～60mg·L－1NO－3-NNO－2-N．65%UASBCODSFSBR0893UASB-SFSBR-MAPCODDO0.3mg·L－135%SFSBRSFSBRMAP．UASB0900～1030、1500～16303.25t6.5t5.5d．SFSBR2．1UASB1h6.5tDO2～5mg·L－16h1hDO0.3mg·L－12UASB0.5h3.5t6h1hMAP．2SFSBRFig．2OperatingstrategyofSFSBRsystemMAP2mol·L－1NaOHpH9.0～9.512nMg/nP1.5～1.913Mg2+、NH+4-NPO3－4-PMgNH4PO42h．1.4pHpHS-25pHCOD20～1500mg·L－1SS、BOD5、NH+4-N、NO－3-N、NO－2-N、TN、TP、PO3－4-P、MLSS14．22.1UASBCOD、NH+4-NTPUASBCOD0.3～0.5kg·m3·d－1COD77%～84%COD600mg·L－1COD3．1.8～3.6m3．3NH+4-N．NH+4-NUASBNH+4-NNH+4-N．UASBHRT．NH+4-NNH+4-N15．UASBTPTP．2.2SFSBRCODSBRSFSBR．1617SFSBRMAP、．Kampas18SFSBR．SFSBR1920SFSBR21．SFSBRUASBSFSBR．SFSBRNH+4-NTPSFSBRNH+4-NTPMAP．SFSBRUASB6.5t3.5t．189344COD、NH+4-N、NO－3-N、NO－2-NSFSBRFig．4VariationofCODNH+4-NNO－3-NandNO－2-NinSFSBR3COD、NH+4-N、TPUASBFig．3VariationofCODNH+4-NandTPinUASBreactor4SFSBRCOD．SFSBR6hDO2～5mg·L－1COD、NH+4-N、NO－3-N、NO－2-N193.0、140.3、0.8、19.3mg·L－1101.9、7.3、8.5、121.4mg·L－1．COD47.2%BOD5COD．TN160.4mg·L－1137.2mg·L－1SFSBRSND22NO－2-N93.5%．SFSBRCOD、NH+4-N、NO－3-N、NO－2-N337.3、51.6、6.6、107.5mg·L－16hCOD、NH+4-N、NO－3-N、NO－2-N162.3、49.0、4.8、49.9mg·L－1．COD51.9%．CODCODCOD．NH+4-NNO－x-N114.1mg·L－154.7mg·L－152.1%．6h2h2893UASB-SFSBR-MAP3∶170%～80%23．6h1∶1C、N3∶152.1%．COD2425．pH6.6pH7.5SFSBR．54.7mg·L－1NOx－-NNOx－-N2627．SFSBR“-”SFSBR．5SFSBRTPTP．5TPSFSBRFig．5VariationofTPinSFSBRSFSBRCOD200mg·L－1NH+4-N60mg·L－12《》GB18596-2001TP．2.3MAPCOD、NH+4-NTPSFSBRTP38.7mg·L－1NH+4-N49.0mg·L－1MAP．MAP28CODSS．6MAPNH+4-N、PO3－4-PMg2+COD．MAPCOD150～200mg·L－1NH+4-N41.7～56.8mg·L－1TP28～45mg·L－1．COD73～135mg·L－1NH+4-N29.1～42.9mg·L－1TP4.8～7.3mg·L－1COD30%～53%NH+4-NTP16%～30%75%～89%．NH+4-NTP0.81∶1NH+4-N、Mg2+29．30．MAP．6COD、NH+4-N、TPMAPFig．6VariationofCODNH+4-NandTPinMAPcrystallizationreactor389343UASB-SFSBR-MAPUASB-SFSBR-MAP．10t·d－1175.52.25·t－1-．UASB-SFSBR-MAP．41UASB-SFSBR-MAPCOD、NH+4-NTP95.1%、92.7%88.8%MAP23.9%83.8%．COD≤135mg·L－1、TN＜116mg·L－1、NH+4-N＜43mg·L－1、TP≤7.3mg·L－1、SS≤50mg·L－1《》GB18596-2001．2SFSBRMAPSFSBR．3-．UASB-SFSBR-MAPSFSBR、MAP．1．J．2009301114-119．2WeiXMLinCDuanNetal．ApplicationofaerobicbiologicalfilterfortreatingswinefarmswastewaterJ．ProcediaEnvironmentalSciences201021569-1584．3BortoneG．Integratedanaerobic/aerobicbiologicaltreatmentforintensiveswineproductionJ．BioresourceTechnology2009100225424-5430．4．-J．2009303815-821．5ArtanNTasliROrhonD．Rationalbasisforoptimaldesignofseq