除磷亚硝化颗粒工艺启动及性能恢复李海玲

Eco-EnvironmentalKnowledgeWebEnvironmentalScience40320193Vol．40No．3Mar．201911*1211．1001242．150090SBＲCANONANAMMOX．30dTP0.5mg·L－1COD50mg·L－190%．．40d0.5mg·L－1CODTP80%95%90%SVI63mL·g－135mL·g－11000μm．SBＲX703.1A0250-3301201903-1367-08DOI10．13227/j．hjkx．2018090622018-09-072018-09-192014000026833TD021992～[e-mail]*[e-mail]-upandPerformanceＲecoveryofGranularSludgeforPhosphorusＲemovalandNitrificationLIHai-ling1LIDong1*ZHANGJie12LIUBo11．KeyLaboratoryofBeijingforWaterQualityScienceandWaterEnvironmentＲecoveryEngineeringBeijingUniversityofTechnologyBeijing100124China2．StateKeyLaboratoryofUrbanWaterＲesourceandEnvironmentHarbinInstituteofTechnologyHarbin150090ChinaAbstractInthisexperimenttodeterminethecharacteristicsoflowcarbonandnitrogenwaterqualityindomesticsewageasequencingbatchreactorSBＲwasusedtorealizethestableoperationofdephosphorization-nitrosationbyinoculatingtheenhancedbiologicalphosphorusremovalgranularsludgewhichwasstoredatlowtemperature．ThesludgewasactivatedbycontroloftheaerationintensityandsludgeagewhichprovidedwaterfortheinfluentofaCANONoranaerobicammoniaoxidationANAMMOXprocess．Intheexperimentwhentheconcentrationofdissolvedoxygenwas6.5mg·L－1andthesludgeagewas30daystheeffluentTPwaslessthan0.5mg·L－1theconcentrationofCODwaslessthan50mg·L－1andtheaccumulationrateofnitritenitrogenwasabove90%．Itwasalsofoundthattheperformanceofphosphorusremovalcanbeimprovedbyreducingtheaerationintensityandreducingtheageofsludgewhentheperformancewasdamagedbyexcessiveaerationstrength．Agingthesludgefor40dayscouldrestorenitrificationduringtheprocessofphosphorusremovalandnitrification．Thefinalconcentrationofphosphoruswaskeptbelow0.5mg·L－1andtheremovalrateofCODandTPwasstableat80%and95%respectivelytheaccumulationrateofnitriteremainedabove90%andtheSVIvaluedecreasedfromtheinitial63mL·g－1to35mL·g－1．Thesettlingperformanceofthegranularsludgewasgoodandtheparticlesizewaskeptabove1000μm．KeywordssequencingbatchreactorSBＲphosphorusremovalandnitrificationgranularsludgesludgeagedissolvedoxygennitrificationrateremovalefficiency、12．enhancedbiologicalphosphorusremovalEBPＲpolyhydroxyalkanoatePHAPHA3．、、4～6．7．/NOB78．A/O409～11．12．13～17．18．．．、、．11.1SBＲ46cm15cm6L1．10cm．46h10min2h3h3min10min．pH67%．1.24500mg·L－1．2．1Table1Start-upandstableoperationparameters/mL·min－1/h/h/dⅠ1～27d6002330Ⅱ28～43d900233044～60d6002330Ⅲ61～79d600232080～105d60023402Table2WaterqualityofdomesticsewageCOD/mg·L－1NH+4-N/mg·L－1NO－2-N/mg·L－1NO－3-N/mg·L－1PO3－4-P/mg·L－1pH150～30030～70＜10～24～87.0～8.01.3NH+4-NNO－2-NN-1--NO－3-NCODTP5B-3BCODpH、DOWTW-pH/Oxi340i．MLSS、MLVSS、SV30、SVI19．Mastersize2000．EPS2025mL8000r·min－115minPBS50mmol·L－1、150mmol·L－1NaClpH=73min80℃30min8000r·min－115minPNPSMLSS．PNPS．NAＲFNAHNO2-N/LNAＲ=ΔCNO－2-N×100%ΔCNO－2-N+ΔCNO－3-N1FNA=NO－2-NKa×100pH2Kae－2300/273+t．22.12.1.1TPCOD．863133．Ⅰ、Ⅱ30dⅢ20d78d40d．CODTP1．1CODTPFig．1ＲemovalperformanceofCODandTPinthegranularsludgeⅠ30d600mL·min－1DO6.5mg·L－1．10d1mg·L－1．15d90%0.5mg·L－1．Ⅰ15dCOD50～100mg·L－1．CODCOD．15dCOD50mg·L－1TP0.5mg·L－1TP90%COD80%．Ⅱ900mL·min－1TPCOD．FNA1.5×10－3mg·L－1PAOs2122．Ⅰ10mg·L－1FNA1.37×10－3mg·L－1．Ⅱ、ⅢⅠFNA．Zeng23．NO－3-NCOD22．Ⅲ600mL·min－1．TP3mg·L－11mg·L－1．Ⅲ．60d20d963140．4dTP＜0.5mg·L－1COD＜50mg·L－195%COD80%．2.1.22ⅠNOB7mg·L－1．NOBAOBA/ONOB．NOB28%90%．2mg·L－110mg·L－1．1mg·L－195%．Ⅱ10mg·L－12mg·L－10mg·L－110mg·L－1．900mL·min－18mg·L－1．NOBNOB．ⅢNOB900mL·min－1600mL·min－18mg·L－16mg·L－15mg·L－115%40%．NOB．60d20d．10dNOB45%80%．．3mg·L－1．80d40d8mg·L－1．1mg·L－190%．NOB．2Fig．2Ammonianitrogenconversionperformance600mL·min－130d．．NOB．6.5mg·L－18mg·L－1TP．NOB．0731340d．2.1.3．NO－2-NTPNOB．Ⅳ．340minCOD220mg·L－190mg·L－1TP39.82mg·L－1．pH．pH0min7.3840min7.15．PAOs3．COD．pHpH．pH7.167.8140min20min7.81．PHApH．40minpHCOD．pH．60minpHCOD．3.5～6.5mg·L－1NOB3NOBNOB3hNOB6.5mg·L－1．3、80minTP40.72mg·L－13.58mg·L－143.98mg·L－126.23mg·L－16.7mg·L－1．NO－2-N．3Fig．3Changediagramofeachparameterinatypicalperiod2.22.2.1MLSS、MLVSS、SVI．MLVSS/MLSSSVI．430dMLSSMLVSSMLSS4300mg·L－13300mg·L－1MLVSS3900mg·L－12900mg·L－1．4℃3min173140MLSS/MLVSSSVI63mL·g－152mL·g－1．MLVSS/MLSSS0.76．30dMLSS3300mg·L－12700mg·L－1MLVSS2900mg·L－11900mg·L－1．40d3000mg·L－13500mg·L－1．SVI52mL·g－135mL·g－1．．MLVSS/MLSS0.8．4MLSS、MLVSS、MLVSS/MLSSSVIFig．4ChangechartofMLSSMLVSSMLVSS/MLSSandSVIduringoperation5PN、PSPN/PSFig．5PNPSandPN/PSchangesduringtheprocessofoperation2.2.2EPSEPS．proteinPNpolysaccharosePSDNAPN/PS2425．EPS25．5ⅠⅢPNVSS120～125mg·g－1PS58mg·g－1PN/PS2.0PN110mg·g－1PSPN47mg·g－1PN/PS2.6．27313PN/PSPN/PS．3130d600mL·min－16.5mg·L－1COD50mg·L－1TP0.5mg·L－1COD80%TP90%10mg·L－11mg·L－195%．2900mL·min－1．．20dNOB．3．PN/PSPN/PS．1．A2/OJ．200329322-26．ZhangJZangJHYangHetal．AstudyontheinherentshortcomingsandcountermeasuresoftheA2/OprocessJ．Water＆WastewaterEngineering200329322-26．2SiegristHSalzgeberDEugsterJetal．AnammoxbringsWWTPclosertoenergyautarkyduetoincreasedbiogasproductionandreducedaerationenergyforN-removalJ．WaterScience＆Technology2008573383-388．3OehmenALemosPCCarvalhoGetal．AdvancesinenhancedbiologicalphosphorusremovalfrommicrotomacroscaleJ．WaterＲesearch200741112271-2300．4．J．201623444-50．TanFWangDQJinYetal．Effectoforganiccarbonso