反硝化短程硝化厌氧氨氧化工艺处理晚期垃圾渗滤液的脱氮除碳性能王凡1

39820188ENVIＲONMENTALSCIENCEVol．39No．8Aug．2018--123123123123123*1．2150092．2150093．215009-．-600mg·L－1COD＜483mg·L－1NＲＲ1.88kg·m3·d－1NＲE90.3%COD＞483mg·L－1C/N＞0.8-NＲＲ1.50kg·m3·d－1．-NH+4-N1100mg·L－1COD1150mg·L－1NＲＲ1.37kg·m3·d－1NＲＲana15.6kg·m3·d－1NＲE98.6%．．X703.1A0250-3301201808-3782-07DOI10．13227/j．hjkx．2018012522018-01-282018-02-242016YFC0401103514782841992～[e-mail]*[e-mail]LeachateviaaDenitrification-PartialNitritation-ANAMMOXProcessWANGFan123LUMing-yu123YINJi-qiang123LIXiang123HUANGYong123*1．SchoolofEnvironmentalScienceandEngineeringSuzhouUniversityofScienceandTechnologySuzhou215009China2．NationalandLocalJointEngineeringLaboratoryofMunicipalSewageＲesourceUtilizationTechnologySuzhouUniversityofScienceandTechnologySuzhou215009China3．InstituteofEnvironmentalBiotechnologySuzhouUniversityofScienceandTechnologySuzhou215009ChinaAbstractToresearchtheperformanceofremovingnitrogenandorganicsfromoldlandfillleachateviadenitrification-partialnitritation-ANAMMOXDN-PN-ANAMMOXprocessanintegratedreactorseededwithmatureANAMMOXsludgeandnitritationsludgeconnectedtoadenitrificationDNreactorwasstudied．Theresultshowedthatbeforethepre-denitrificationreactorwasconnectedthePN-ANAMMOXreactorachievedanitrogenremovalrateNＲＲof1.88kg·m3·d－1andanitrogenremovalefficiencyNＲEof90.3%whentheconcentrationofinfluentammonianitrogenandCODwere600mg·L－1and483mg·L－1respectively．TheNＲＲofthePN-ANAMMOXprocessdroppedto1.50kg·m3·d－1whentheconcentrationofinfluentCOD＞483mg·L－1whichcorrespondstoC/N＞0.8．TorelievetheinfluenceoforganicmatteronANAMMOXaDNreactorwasputinfrontofthePN-ANAMMOXreactor．TheDN-PN-ANAMMOXprocessachievedanNＲＲandNＲEof1.37kg·m3·d－1and98.6%respectivelyundertheconditionsofinfluentammonianitrogenandCODconcentrationsof1100mg·L－1and1150mg·L－1respectively．TheNＲＲofANAMMOXreached15.6kg·m3·d－1．Thewholesystemrealizedahighlyefficientanddeepremovalofnitrogenwithoutanyadditionalcarbonsource．Whentreatingoldlandfillleachatemostofthebiodegradableorganicscanberemovedbythesystem．KeywordsdenitrificationpartialnitritationanaerobicammoniaoxidationANAMMOXlandfillleachateorganicmatter1NH+4-NC/N312．anaerobicammoniaoxidationANAMMOX3～6ANAMMOXNH+4-NNO－2-NN28--partialnitritationPN、78．ANAMMOX11%NO－3-N910NH+4-N＞1000mg·L－1NO－3-NNＲE90%．denitrificationDNANAMMOXNO－3-NNＲE．Miao11-PN-ANAMMOXSBＲNＲE90%ANAMMOXNＲＲana1.1kg·m3·d－1110mg·L－1CODNO－3-NNO－3-N60mg·L－1．Zhang12SNADNH+4-N1950mg·L－199%NＲＲ0.15kg·m3·d－1Vo13SNAP1.4kg·m3·d－1NＲＲ1.2kg·m3·d－190mg·L－1．ANAMMMOXSNAD、CANON、DEMONPN-ANAMMOX、DN-PN-ANAMMOX．、、1415．PN-ANAMMOX16．2kg·m3·d－117．PN-ANAMMOX．PN-ANAMMOX．11.1UASBPN-ANAMMOX1．．DN-UASB1.8LPN-ANAMMOXPN、ANAMMOX10.25L1.4L1.92L．31～34℃．DNDNPN-ANAMMOXPNANAMMOXANAMMOXDNANAMMOXNO－3-N．1DN-PN-ANAMMOXFig．1FlowchartofDN-PN-ANAMMOXsystem1.2PN18NPＲ0.5kg·m3·d－1．ANAMMOXCSTＲ19CandidatusBrocadiasinicaKP721346-KP721365MLVSS/MLSS0.45．DN2.5mm．20．1．+NH4Cl．3873391Table1CharacteristicsofoldlandfillleachateNH+4-N/mg·L－1NO－2-N/mg·L－1NO－3-N/mg·L－1COD/mg·L－1BOD5/mg·L－1/mg·L－1/g·L－1pH1200～19000.1～0.50.1～0.51800～2200400～5006000～800016～187.7～8.11.320．NH+4-NNO－2-NN-1--NO－3-NMLVSS/MLSSCODDＲB200BOD5BODTrak3020MpH、DO、WTWMulti9430．1.4PN-ANAMMOXDNPN-ANAMMOXANAMMOXNO－3-N．NH+4-N2．Ⅰ、ⅡNH+4-NNH+4-NNH+4-N．．2NH+4-NTable2ComponentsandconcentrationsofinfluentammonianitrogenduringthetestNH+4-N/mg·L－1/dNH+4-N/%NH+4-N/%2080Ⅰ6001～534060703010006040Ⅱ1000～110054～928020100022.1PN-ANAMMOXPN-ANAMMOXNH+4-N600mg·L－1NＲＲ1.1kg·m3·d－1NＲE77%．29dNH+4-N20%．21．19～29dNH+4-N40%NH+4-N19～20d70mg·L－1．PN375L·h－1400L·h－1NH+4-N2UASB、COD、HＲTFig．2ChangesininfluentandeffluentnitrogenCODinfHＲTandpercentageoflandfillleachateintheinfluent15mg·L－148738--22PNNH+4-NAOBNH+4-N．19～29dNH+4-NNO－2-N13.78mg·L－116.35mg·L－1ANAMMOXHＲT0.38d0.29dNLＲPNNO－2-N/NH+4-N1.32．NＲＲ19d1.23kg·m3·d－129d1.88kg·m3·d－1、22ANAMMOX．3NLＲ、NＲＲNＲEFig．3TrendsofNLＲNＲＲandNＲENH+4-N70%3NＲＲ33dPN-ANAMMOX1.99kg·m3·d－1．30d～43dCOD483mg·L－1C/NTN0.8NH+4-NNO－2-NNＲＲ39dNＲＲ1.5kg·m3·d－1．PNANAMMOXANAMMOX．23ANAMMOXTOC/NH+4-N＞0.4C/NTN＞0.45ANAMMOX．30～40dNO－3-NNO－3-N19mg·L－110～30d4．ANAMMOX．4NO－3-NNO－3-NFig．4EffluentNO－3-Nintheoryandinreality2.2DN-PN-ANAMMOX40dDNPN-ANAMMOX1．DNANAMMOXNO－x-NDNDNNO－3-N．DN540～43dDN-PN-ANAMMOXNH+4-N、NO－2-NNO－3-NNＲＲ1.5kg·m3·d－11.61kg·m3·d－1DNPN-ANAMMOX．44dNH+4-N100%NH+4-N．NO－3-NDNPNAOBPNNPＲNH+4-N90mg·L－1．PN0.68m3·h－10.85m3·h－1NH+4-N30mg·L－1．47～53dNH+4-NNO－2-N15.2587339mg·L－15.4mg·L－1NO－3-N0NＲE98.8%．54dNH+4-N1000mg·L－1HＲT0.63dNH+4-N．ⅡNH+4-NPNANAMMOX．NO－3-NCODCOD．83dNH+4-N．NO－3-N0DNNO－x-NNＲE．NH+4-N9.9mg·L－1TN＜15mg·L－1NＲE98.6%《》GB16889-2008．NＲＲ1.37kg·m3·d－1ANAMMOXNＲＲana15.6kg·m3·d－1NＲE．3NＲＲNＲE．UASBPN-ANAMMOXANAMMOXNO－3-N、．5、COD、HＲTFig．5ChangesininfluentandeffluentnitrogenCODinfHＲTandpercentageoflandfillleachateintheinfluents31Table3ComparisonofsimilarresearchinrecentyearsTN/mg·L－1V/LHＲT/dNＲＲANA/kg·m3·d－1NＲＲT/kg·m3·d－1NＲET/%SNAD1950101.5—0.15a9912DN-PN-ANAMMOX1100330.77b1.10.52c9011ANAMMOXＲEACTOＲ650NH+4-N850NO－2-N100.1510—8924PN-ANAMMOX6007.51.10.590.558725PN-ANAMMOX100071.518.30.939326DN-PN-ANAMMOX110015.40.815.61.3798.61aSBＲ10%bANAMMOXHＲTH