环境温度下中试氧化沟短程硝化的启动及运行李俊

122111．3501082．35001329～31℃NaCl32d。33d50%90%。18～27℃2750%354290%。Nitrosomonas9．39%。NH+4－N70mg/L、HＲT11．2～12．7h。0．037kgN/kgMLSS·d0．030kgN/kgMLSS·d。[e-mail]-upandOperationofPartialNitrificationinPilot-scaleOxidationDitchunderAmbientTemperatureLIJun1CHENYi-ming2ZHANGJian2LIUFu-chang1ZHANGXin-ying11．CollegeofEnvironmentandＲesourcesFuzhouUniversityFuzhou350108China2．FujianProvincialAcademyofEnvironmentalScienceFuzhou350013ChinaAbstractThroughoxygen-limitedcontrolandNaCldosingpartialnitrificationwassuccessfullya-chievedinapilot-scaleoxidationditchaftersequencingbatchstart-upfor32dunderhigh-temperature29－31℃．TheremovalrateofNH+4－NandnitriteaccumulationrateNAＲwasmaintainedover50%and90%respectivelyafter33d．Asthetemperatureseasonallydecreasingpartialnitrificationwassuccessfullystart-upatthesecondtimeintheregular-lowtemperature18－27℃．Onthe27thdayNAＲwasover50%．Fromthe35thdaythemeasuressuchasformationofoxygengradientmodeandex-tendingthereactiontimewereadoptintheoxidationditchandNAＲwasmaintainedover90%onthe42thday．Thoughhigh-throughputsequencinganalysisofmicroorganismsinactivatedsludgeitwasfoundthatNitrosomonashadapropotionof9．39%indicatingthesuccessfulaccumulationofNitro-somonasinthepilot-scaleoxidationditch．Thentheoxidationditchwastransferedtocontinuousflowop-erationthebestnitrificationeffectwasachievedwheninfluentNH+4－Nwasabout70mg/LandHＲT·7·34320182CHINAWATEＲ＆WASTEWATEＲVol．34No．3Feb．2018was11．2－12．7h．Comparingtwostart-upprocessesstart-upintheregular-lowtemperaturewasmoretime-consumingthanthatinhigh-temperature．Thespecificammoniaoxidationrateis0．037kgN/kgMLSS·dand0．030kgN/kgMLSS·datthehighandregular-lowtemperaturerespectively．Keywordspartialnitrificationpilot-scaleoxidationditchambienttemperaturespecif-icammoniaoxidationrateNH+4－NNO－2－N。ANAMMOX12。。SBＲ、CSTＲ、A/O。3SBＲ。430℃CSTＲ。5A/O。SBBＲ、MBＲ67。。20%。11.11。Carrousel0．3m×1．8m0．3m2．5m12．5m5．6m3。3。1Fig．1DiagramofoxidationditchNH42SO4。。1.2NH+4－NNO－2－NN－1－－NO－3－NpHDO。1.32016755d561085d。1.3.12h、14h、1h、2h52/5。NAＲ＞90%7NH+4－N。CASS3530mg/L。1。1Tab．1Thefirst-timeoperationalparameterofpartialnitrification/dNH+4－N/mg·L－1HＲT/h/m3·h－11～1710514218～2210514223～26105142．527～38150142．539～559015．1～17．52．51.3.2·8·343．watergasheat．com1．5h、、0．5h、1h52/5。NAＲ＞90%7NH+4－N。CASS3538mg/L。2。2Tab．2Thesecond-timeoperationalparameterofpartialnitrification/dNH+4－N/mg·L－1HＲT/h/m3·h－11～1212015213～15120152．516～22160152．523～34160152．5/235～41160152．5/242～49160192．550～5998．811．2～142．560～6973．39～102．570～7771．811．2～12．72．578～8570．814．7～172．522.12.1.12016730．3～31．5℃。8～10DODO0．2mg/L。1150%。2。。21～17dNH+4－N105mg/L2m3/hNH+4－N50%NH+4－N52．3±11．5mg/LNH+4－NNO－3－NNO－2－N。NO－2－N12。18～2240min/20min/。25．7%～36．9%NO－2－N。NaClNOB13。232．5g/LNaCl2．5m3/hNH+4－N73%NH+4－N82mg/L。NaClNOB23～27dNO－3－N。2Fig．2Variationofnitrogenatthefirst-timeoperation·9·．watergasheat．com343NaClNO－2－N26NAＲ48%。27150mg/LNH+4－N50%NAＲ。28NAＲ＞50%32NAＲ90%90%。NaClAOBNOBNO－2－NNO－3－N3878．6mg/LNAＲ93．9%NO－3－N5mg/L。39。39～55dNH+4－N91．4±7．5mg/L、320～370L/h、HＲT16．3±1．2hNH+4－N68．3%～92．8%3dNO－2－NNO－3－NNO－2－NNO－3－NNO－2－N44．3±13．5mg/LNO－3－N2mg/L。4551NO－2－N。56。2.1.220161018～27．1℃。3。1～12NH+4－N120mg/L2m3/h15hNH+4－N53．3±13．0mg/LAOBNO－2－N13．2±10．0mg/LNAＲ30．4%NO－3－N41．8±21．8mg/L。13～152．5m3/h44．5%60．4%NO－2－N18．6±1．9mg/LNAＲ。16NH+4－N160mg/L16～22dNH+4－N73．2mg/LNAＲ。23～26d2300—7002m3/h2．5m3/hDO0．2mg/LNH+4－N67mg/LNAＲ30%44．4%。DODOAOB。3Fig．3Variationofnitrogenatthesecond-timeoperation272．5g/LNaClAOBNAＲ70．4%。27～34dNAＲ44．4%67．8%。14·01·343．watergasheat．com/35～41d0．2、0．1mg/LNH+4－N67mg/L61mg/LNAＲ67．8%83．5%。4242～49d19hNH+4－N90．8mg/LNO－3－N5．5mg/LNAＲ90%。50d。2.216SrＲNAPiePlot4。4PiePlotFig．4DiagramofPiePlot4b31．44%。Bellilinea11．05%、Nitrosomonas9．39%、Gemmatimonas8．69%。BellilineaGemmatimonas。NitrosomonasNitrospiraNitrosomonasNitrospira15。4aNitrosomonas2．23%7．16%。Nitrospira2．92%。2.32.3.1HＲTNH+4－N70mg/LHＲT。60～69d560～620L/hHＲT9～10hNH+4－N33．09mg/LNO－2－N25．37mg/LNO－3－N1．63mg/LNAＲ91．8%。HＲT11．2～12．7h8d440～500L/hNH+4－N42．66mg/LNO－2－N23．25mg/LNO－3－N1．16mg/LNAＲ95．3%。HＲTNO－2－NFNANOB。HＲT14．7～17h8d62．05mg/LNO－2－N33．86mg/LNO－3－N4．06mg/LNAＲ89．4%。HＲTNH+4－NFANOBNO－2－NNOBNOB。HＲT。NH+4－N70mg/LHＲT11．2～12．7h95%。2.3.2AOB·11·．watergasheat．com343NOB1617。27．8～31．5℃13．8～27．1℃5。5NAＲFig．5ＲelationalgraphoftemperatureandNAＲ5a28dNAＲ50%32NAＲ＞90%NAＲ90%。27dNAＲ＞50%。NOB、44NAＲ＞90%。12d91．8℃NAＲ35．9%7．4%AOBNOBAOB。NAＲNOBAOB。30．3℃20．1℃12h。NH+4－N64．6mg/LNO－2－N46．2mg/LNO－3－N2．7mg/LNAＲ94．5%0．037kgN/kgMLSS·dNH+4－N52．9mg/LNO－2－N40．2mg/LNO－3－N4．5mg/LNAＲ90%0．030kgN/kgMLSS·dNAＲ。3①32dNAＲ90%。44d。②HＲT。NH+4－N70mg/LHＲT11．2～12．7hNAＲ95%。③。NAＲ0．037kgN/kgMLSS·d0．030kgN/kgMLSS·d。1FemandezIDostaJMata-AlvarezJ．Acriticalreviewoffuturetrendsandperspectivesfortheimplementationofpartialnitritation/anammoxinthemainlineofmunicipalWWTPsJ．DesalinationandWaterTreatment20165727890－27898．2KallistovaAYDorofeevAGNikolaevYAetal．ＲoleofanammoxbacteriainremovalofnitrogencompoundsfromwastewaterJ．Microbiology2016852140－156．3．J．201531765－68．4．J．20163741473－1476．5．A/O·21·343．watergasheat．comC/NJ．201028132－36．6．SBBＲ