好氧除磷颗粒对亚硝化颗粒污泥启动的影响李冬

39220182ENVIＲONMENTALSCIENCEVol．39No．2Feb．2018/11112121．1001242．150090Ｒ1、Ｒ2、Ｒ3SBＲ、．S10～22dＲ1、Ｒ2、Ｒ319d．S223～56dＲ1Ｒ2、Ｒ320%20%Ｒ1、Ｒ2Ｒ376、42d56d412、468、400μm．S357～108dCOD0.4kg·m3·d－10.5kg·m3·d－10.2kg·m3·d－10.5kg·m3·d－1Ｒ1、Ｒ2Ｒ3．108dＲ1Ｒ2689μm893μm．C/N．CODX703.1A0250-3301201802-0872-08DOI10．13227/j．hjkx．2017070992017-07-102017-07-292014000026833TD021976～[e-mail]/PhosphorusGranulesonStart-upofPartialNitrificationGranularSludgeLIDong1GUOYue-zhou1CAOMei-zhong1ZHANGZe-wen1LIShuai2ZHANGJie121．KeyLaboratoryofBeijingforWaterQualityScienceandWaterEnvironmentＲecoveryEngineeringBeijingUniversityofTechnologyBeijing100124China2．StateKeyLaboratoryofUrbanWaterＲesourceandEnvironmentHarbinInstituteofTechnologyHarbin150090ChinaAbstractThedifferenteffectsofadditionalaerobicgranulesAGsandphosphorusremovalgranulesPＲGsonthestart-upandstableoperationofpartialnitrificationgranularsludgePNGSwerecomparedatroomtemperature22-28℃．Theresultsshowedthatinthefirststagedays0-22partialnitrificationwasaccomplishedonday19forthethreereactorsＲ1Ｒ2andＲ3．Inthesecondstagedays23-5620%AGsand20%PＲGswereaddedtoＲ2andＲ3toinducePNGS．Thestart-upofthegranulesofthethreereactorswassuccessfullyachieved．ThemeanparticlesizesofＲ1Ｒ2andＲ3reached412μmatday76468μmatday42and400μmatday56．Inthethirdstagedays57-108becausetheinfluentammonialoadincreasedfrom0.4kg·m3·d－1to0.5kg·m3·d－1andtheCODloadincreasedfrom0.2kg·m3·d－1to0.5kg·m3·d－1themeanparticlesizesofＲ1andＲ2increasedsignificantly．TheaverageparticlesizesofＲ1andＲ2reached689μmand893μmbytheendoftheoperationday108butsludgeexpansionoccurredinＲ3．TheinoculationofeitherAGsorPＲGscouldquicklyachievegranulationbutthePNGSinoculatedwiththeAGscouldadapttohigherC/Nandbemoretolerabletoshockloadsandlong-termstableoperation．KeywordsaerobicgranulesphosphorusremovalgranulespartialnitrificationgranularsludgeammonianitrogenloadCODload、12．1．NH+4+1.32NO－2+0.066HCO－3+0.13H→+1.02N2+0.26NO－3+0.066CH2O0.5N0.15+2.03H2O11．-．34．AOB、NOB、、5．67．630%12d82/18d92min19d．．21011．．Wu12、13．．Ｒ1Ｒ2、Ｒ320%、20%．3、MLSS、SVI、EPS．11.1SBＲ3SBＲ70cm15cm10.5L2/3．3SBＲ22～28℃．SBＲ38h12min、202～218min、4h、20～4min3min3min．1．1Table1Ｒeactoroperatingparametersatdifferentstages/d/h/mg·L－1/mg·L－1NH+4-N/kg·m3·d－1COD/kg·m3·d－1S10～2240.02±0.010.5±0.20.40.2S223～5640.02±0.010.5±0.20.40.2S357～10840.02±0.010.8±0.20.50.51.23SBＲ．MLSS2700±200mg·L－1、SVI140mL·g－1．100～250mg·L－1NH+4-N10∶10.136gKH2PO4、0.02gMgSO4·7H2O、0.136gCaCl214．S1、S2、S33S1S2Ｒ2、Ｒ320%、20%S3COD．1.3NH+4-N、NO－2-N、NO3-N、SS、VSS、SVI152min．pH、DOWTWPh/Oxi340i．OlympusBX51．MalvernMastersizer2000．、FAFNA2～5=ρNO－2-NρNO－2-N+ρNO－3-N2=ρNH+4-NρNH+4-Nin3FA=17×ρNH+4-Ninner14(×e6344237+T+10)pH4FNA=47×ρNO－2-Ninner(14×e－2300273+T×10)pH+15ρNO－2-N、ρNO－3-NNO－2-N、NO－3-Nmg·L－1ρNH+4-Nin37839NH+4-Nmg·L－1ρNH+4-Ninner、ρNO－2-NinnerNH+4-N、NO－2-Nmg·L－1．22.11S1Fig．1VariationofammonianitrogenintheinfluentandeffluentandthenitriteaccumulationrateduringtheS1stageＲ1、Ｒ2、Ｒ31．NOB0．AOB“”AOBNOB1617/FAFNA．73d50mg·L－1100mg·L－15．．196d100mg·L－1200mg·L－1．1aＲ15719d92%96%790%17．1b1cＲ2Ｒ35719d93%92%790%．2.22.2.1Ｒ1、Ｒ2、Ｒ35719d．Ｒ130d．2Ｒ176d412μm1819．S357～108dＲ1S2CODEPS20～22．108dＲ1689μm71.54%500μm．23dＲ2、Ｒ320%20%Ｒ1．SBＲCOD300mg·L－1、NH+4-N30mg·L－1、KH2PO4-P5mg·L－1C、N、P95%、83%、90%MLSS4200mg·L－1SVI34mL·g－1SBＲKH2PO4-P10mg·L－1P95%MLSS4280mg·L－1SVI32mL·g－1．226dＲ2182μm150μm①C/N②23．27dＲ3196μm160μm．Ｒ2800μm18%5%/Ｒ3800μm20%12%．242d24Ｒ2468μm4782/Ｒ134d．S357～108dＲ2108dＲ2893μm72%600μm．56dＲ3400μmＲ120dＲ2．S357～108dＲ32.2.2108d200μm．COD0.5kg·m3·d－10.5kg·m3·d－1．2Fig．2Variationofthemeanparticlesizeduringoperation2.2.2MLSSSVI3S10～22dＲ1、Ｒ2、Ｒ3MLSS2770、2541、2760mg·L－12493、2732、2469mg·L－1．3MLSS．①C/N②25③NO－2-N26．33SVI．S223～56d20min4min8918．23dＲ2、Ｒ320%20%Ｒ1．3aＲ1MLSS．56dＲ1MLSS647mg·L－1．3b3c27Ｒ2、Ｒ3MLSS．56dＲ2、Ｒ3MLSS2591mg·L－1、2562mg·L－1．3MLSS、MLVSSSVIFig．3VariationsofMLSSMLVSSandSVIduringoperationS357～108d3a3b0.4kg·m3·d－10.5kg·m3·d－1COD0.2kg·m3·d－10.5kg·m3·d－1Ｒ1、Ｒ2C/NMLSS．108dＲ1MLSS2415mg·L－1Ｒ2MLSS3012mg·L－1．Ｒ1、Ｒ2SVI．108dＲ1、Ｒ2SVI62mL·g－1、42mL·g－1．3c108dＲ3MLSS2000mg·L－1SVI134mL·g－1．COD0.5kg·m3·d－10.5kg·m3·d－157839．Ｒ3①COD28②29～31．32．2.2.3EPS4EPSPN/PSFig．4VariationsofEPSandPN/PSduringoperation4S10～22d50mg·L－1200mg·L－1PN33Ｒ1、Ｒ2、Ｒ3EPSPN/PS．S223～56dEPS34Ｒ1、Ｒ2、Ｒ3EPS78.1、81.4、81.4mg·g－1142.8、176.4、164mg·g－1．4a23dＲ1PN/PS1.2PNPN/PS3556dPN/PS2.4．4b4cＲ2、Ｒ3Ｒ1PN/PS23d、56d1.21.19、3.22.7．Ｒ2Ｒ3．S357～108dCODEPS36．4a4bS3Ｒ1Ｒ2EPS．EPS34．Ｒ1、Ｒ2EPS159mg·g－1、164.6mg·g－1．4cＲ3EPSPN/PS31．2.2.45、Fig．5Variationsofammonianitrogenintheinfluentandeffluentofnitratenitrogenintheeffluentandofnitriteaccumulationrate5aS223～56dＲ1AOB．Ｒ1AOB．108d0mg·L－1．Ｒ1108d0mg·L－1Ｒ1NOB．FA6～9mg·L－1NOB37FNA0.023mg·L－1NOB0.4mg·L－1AOB3839．FA0.48～21.09mg·L－16782/FNA0.0007～0.023mg·L－1FAFNANOBＲ190%．5bＲ1Ｒ2AOB108d0mg·L－10mg·L－190%．/40、FAFNANOBＲ1Ｒ2．5cＲ3S2．S3Ｒ3MLSSAOB．91%108d46%S2NOB．2.2.5COD、、Ｒ1、Ｒ2COD、、6aＲ1154mg·L－1146mg·L－10.42kg·m3·d－1173∶30.4kg·m3·d－16bＲ2156mg·L－1150mg·L－10.426kg·m3·d－1．．6aＲ124.94%Ｒ1Ｒ2COD2．Ｒ1COD29mg·L－1COD21mg·L－1．6bＲ233.55%．Ｒ2Ｒ1100～200μm4041Ｒ2．Ｒ2COD29mg·L－1Ｒ2COD10mg·L－1Ｒ1．Ｒ2Ｒ1COD．abＲ1、Ｒ290dCOD6COD、、Fig．6VariationsofCODammonianitrogennitritenitr