UASBB厌氧氨氧化反应器处理污泥脱水液的影响因素研究李亚峰

35820148ENVIＲONMENTALSCIENCEVol．35No．8Aug．2014UASBB*110168、、pH、HＲTC/N．ρNH+4-N/ρNO－2-N1∶1.32、HＲT、、pHC/NUASBB．NH+4-NNO－2-N200mg·L－1264mg·L－1、HＲT=24h、30～35℃、pH7.5～8.5、C/N0.5NH+4-N、NO－2-NTN75.72%、76.36%70.19%TN0.464kg·m3·d－1COD30%．HＲT．pH．．UASBBHＲTpHC/NX703.1A0250-3301201408-3044-08DOI10．13227/j．hjkx．2014．08．0302013-11-152014-02-28511082772011-K7-8L2012203-1232012101530251960～[e-mail]*[e-mail]ludgeLiquorTreatmentinUASBBLIYa-fengMAChen-xiZHANGChiSchoolofMunicipalandEnvironmentalEngineeringShenyangJianzhuUniversityShenyang110168ChinaAbstractTheeffectofammonianitrogenconcentrationtemperaturepHHＲTandC/NratioonANAMMOXwasstudied．Thereactorwasfedwithsludgeliquor．TheefficiencyofnitrogenremovalfortheUASBBwasresearchedunderdifferentammonianitrogenconcentrationHＲTtemperaturepHandC/NratiowhentheinfluentρNH+4-N/ρNO－2-Nwascontrolledat1∶1.32．TheresultsshowedthatthenitrogenremovalratefortheANANMMOXreactorswasoptimalwhentheinfluentNH+4-NandNO－2-Nconcentrationswere200mg·L－1and264mg·L－1HＲTwas24htemperaturewasintherangeof30-35℃pHwasat7.5-8.5andtheC/Nratiowas0.5．TheaverageremovalratesofNH+4-NNO－2-NandTNwere75.72%76.36%and70.19%respectivleytheaverageTNwas0.464kg·m3·d－1andtheremovalrateofCODwas30%．TheefficiencyofnitrogenremovalfortheANAMMOXreactorscouldbeenhancedbycontrollingammonianitrogenconcentrationandHＲT．TheefficiencyofANAMMOXbacteriawasoptimalwhentemperatureandpHweresuitable．ThedenitrificationoccurredintheANAMMOXreactorswhentheinfluentcontainedorganics．TheinhibitionofdenitrificationbacteriaontheANAMMOXincreasedwithrisingconcentrationoforganics．KeywordsANAMMOXUASBBsludgeliquorammonianitrogenmassconcentrationHＲTtemperaturepHC/NratioanaerobicammoniaoxidationANAMMOX209012．A2/O、A/O、、SBＲ-ANAMMOX3～5①C/N9.5kg·m3·d－1ANAMMOXN76.5kg·m3·d－1②30%③1molNH+4-N0.75mol62.5%④0⑤0.0890%．、0.03h－111d、、、、、8UASBBANAMMOX67．ANAMMOX8～14．C/N15～18．UASBUASBBUASBB、HＲT、、pHC/NANAMMOXANAMMOX．11.1NH+4-N、NO－2-N、KH2PO4、NaHCO3、MgSO4·7HO2、CaCl2·2HO21．L①②1mL．①EDTA5.000g·L－1FeSO45.000g·L－1②EDTA15.000g·L－1MnCl2·4H2O0.990g·L－1ZnSO4·7H2O0.430g·L－1CoD2·6H2O0.240g·L－1CuSO4·5H2O0.250g·L－1NaMoO4·2H2O0.220g·L－1NiCl2·6H2O0.190g·L－1H3BO40.014g·L－1．2．1.21UASBB．8cm80cm4L25cm．．15cm1Table1QualityexaminationoftestwaterCOD/mg·L－1NH+4-N/mg·L－1NO－2-N/mg·L－1PO3－4-P/mg·L－1pH30～12060～25080～3504～67.5～8.52Table2InitialcharacteristicsoftheseedingsludgepHMLSS/g·L－1MLVSS/g·L－1MLVSS/MLSS6.5～7.00.41620.31220.751.2.3.4.5.6.7.8.9.10.11.12.13.1Fig．1Schematicdiagramoftheexperimentalequipment45cm8.1L．5．ANAMMOX．30minDO0.2±1mg·L－1ANAMMOX．．2Fig．2Thecombinationwad2．540335．150mm160mm80mm1.026.8～7.1g·－14%．．NH+4-N30～50mg·L－1ρNH+4-N/ρNO－2-N1.32120d4NH+4-NNO－2-NFig．4InfluenceofammonianitrogenmassconcentrationonNH+4-NandNO－2-NremovaleffectsANAMMOXNH+4-NNO－2-N50%NH+4-NNO－2-NNO－3-N1∶1.54∶0.3Strous19．．2000SEMANAMMOXANAMMOX3．UASBBSS20.54g·L－1VSS10.68g·L－1VSS/SS0.52．1.3203．22.130±1℃HＲT=24hpH3Fig．3SEMmicrographofthemicroorganisms3Table3ExaminationitemsofwaterqualityandtestmethodsNO－3-NNO－2-NN-1--NH+4-NTN-PO3－4-PCODMLSS、MLVSS、SS、VSSpHPHS-29ADOHACHsension87.5～8.5NH+4-N60、80、100mg·L－150mg·L－1ρNH+4-N/ρNO－2-N1.327d．45．45TN64038UASBB5TNTNFig．5EffectofammonianitrogenmassconcentrationonTNloadandremovalrate0.069kg·m3·d－10.290kg·m3·d－1．NH+4-N200mg·L－13～6dANAMMOXNH+4-N、NO－2-NTN52.44%、53.47%49.82%．ANAMMOX．15NO－2-NANAMMOX．NH+4-N200mg·L－1NH+4-N、NO－2-NTN33.44%、39.47%35.74%．Dapena-Mora6ANAMMOXNO－2-NNH+4-N．NO－2-NNO－2-NANAMMOX．Strous16NO－2-N280mg·L－1ANAMMOX．NO－2-N329mg·L－1NO－2-NANAMMOX．2.2HＲTNH+4-NNO－2-N60mg·L－180mg·L－130±1℃pH7.5～8.5．HＲT48、36、24、126h14d．67．6HＲTNH+4-NNO－2-NFig．6InfluenceofHＲTonNH+4-NandNO－2-Nremovaleffects67HＲT48h24hTN0.072kg·m3·d－10.139kg·m3·d－1NH+4-N、NO－2-NTN50%．HＲT24hHＲTTNANAMMOX．HＲT=6h14dNH+4-NNO－2-N40.95mg·L－152.42mg·L－1TN30.72%．HＲTANAMMOX7403357HＲTTNTNFig．7EffectofHＲTonTNloadandremovalrate．HＲTANAMMOXmVSS/mNH+4-N=0.11g·g－117．HＲTANAMMOXANAMMOX18．ANAMMOXHＲT24h．435±1℃ASBＲHＲT12hANAMMOXHＲT．2.3NH+4-NNO－2-N60mg·L－180mg·L－1HＲT=24hpH7.5～8.5．15、20、25、30、3540℃．8．8ANAMMOXFig．8EffectoftemperatureonANAMMOX820℃NH+4-NNO－2-N30%．25～30℃ANAMMOX．30℃NH+4-NNO－2-N47.94%45.90%．35℃NH+4-NNO－2-N．40℃NH+4-NNO－2-N25.62%23.71%．ANAMMOX30℃“”ANAMMOX21．30～35℃．35℃．1622ANAMMOX70kJ·mol－18.4～83.7kJ·mol－1ANAMMOX．ANAMMOX30～35℃．2.4pHNH+4-NNO－2-N60mg·L－180mg·L－130±1℃HＲT=24h．pH6.0、6.5、7.0、7.5、8.0、8.59.0．9．9pHANAMMOXFig．9EffectofpHonANAMMOX9pH7.0NH+4-NNO－2-N20%．pH7.5～8.0pHANAMMOX．pH8.0NH+4-NNO－2-N45.36%46.54%．pH8.5ANAMMOX．pH9.0NH+4-NNO－2-N12.93%14.38%．vandeGraaf23ANAMMOXpH84038UASBBpHANAMMOX．pHANAMMOX．pHFAFNA．Mosquera-Corral24FAFNAANAMMOXpHpHANAMMOX．ANAMMOXpH7.5～8.5．2.5C/NNH+4-NNO－2-N60mg·L－180mg·L－130±1℃HＲT=24hpH7.5～8.5．mCOD/mNH+4-N0、0.5、1.0、1.52.0．1011．10C/NNH+4-NNO－2-NFig．10EffectofC/NratioonNH+4-NandNO－2-Nremoval11C/NCODFig．11EffectofC/NratioonCODremoval1011NH+4-NNO－2-N64.60%61.54%．C/N0.5NH+4-NNO－2-N．C/N1.0NH+4-NNO－2-N．C/N1.5NO－2-NNH+4-N．C/N2.0NO－2-N60.08%NH+4-N48.39%．C/NCOD25%～27%．C/N0.5ANAMMOX．Guven14ANAMMOXANAMMOX．C/N1.0ANAMMOXNH+4-N/NO－2-N1∶1.32NH+4-N/NO－3-N1∶0.26．NO－2-NNO－3-NCODNO－3-N．ANAMMOXN