您好,欢迎访问三七文档
当前位置:首页 > 行业资料 > 其它行业文档 > 海藻糖强化厌氧氨氧化耦合反硝化工艺处理高盐废水的脱氮除碳效能杨振琳
3910201810ENVIRONMENTALSCIENCEVol.39No.10Oct.2018*266071SBRSAD.0.25mmol·L-1NH+4-N、NO-2-N、NO-3-NCODNH+4-N、NO-2-N50%、43%46%ARRNRR81.25%75%.0.5mmol·L-1NH+4-NARE58.82%NH+4-N33.25mg·L-1.HaldaneAibaLuongSAD.NRRmax、KS、Smn0.954kg·m3·d-1、0mg·L-1、184.785mg·L-10.718.LogisticBoltzmanGompertzGompertz.X703.1A0250-3301201810-4612-09DOI10.13227/j.hjkx.2018032182018-03-302018-04-1151278258514782291992~E-mail506889106@qq.com*E-mailljin0532@126.comEnhancedNitrogenandCarbonRemovalPerformanceofSimultaneousANAMMOXandDenitrificationSADwithTrehaloseAdditionTreatingSalineWastewaterYANGZhen-linYUDe-shuangLIJin*WANGXiao-xiaFENGLiSchoolofEnvironmentalScienceandEngineeringQingdaoUniversityQingdao266071ChinaAbstractEnhancednitrogenandcarbonremovalperformanceofsimultaneousANAMMOXanddenitrificationSADprocesswithtrehaloseadditiontreatingsalinewastewaterwasinvestigatedinasequencingbatchreactorSBR.Theoptimalnitrogenremovalwasachievedat0.25mmol·L-1trehaloseduringwhichNH+4-NNO-2-NNO-3-NandCODcouldbecompletelyremoved.ComparedtonoadditionoftrehaloseammoniumremovalefficiencyAREnitriteremovalefficiencyNREandtotalnitrogenremovalefficiencyTNREincreasedby50%43%and46%.AmmoniumremovalrateARRandnitriteremovalrateNRRincreasedby81.25%and75%respectively.Withincreasingconcentrationoftrehaloseto0.5mmol·L-1AREwasonly58.82%andtheeffluentconcentrationofNH+4-Nwas33.25mg·L-1.ComparedtotheHaldanemodelandtheAibamodeltheLuongmodelwasthemostsuitabletosimulatethenitrogenremovalperformanceofSADwithtrehaloseadditiontreatingsalinewastewater.TheNRRmaxKSSmandnfittedfromLuongmodelwere0.954kg·m3·d-10mg·L-1184.785mg·L-1and0.718respectively.ComparedtothemodifiedLogisticmodelandthemodifiedBoltzmanmodelthemodifiedGompertzmodelwasthemostsuitabletodescribethedegradationofasubstrateinasinglecycle.KeywordssimultaneousANAMMOXanddenitrificationSADnitrogenremovalefficiencysalinewastewatertrehalosekineticsanaerobicammoniumoxidationANAMMOX、.ANAMMOX12.、CODANAMMOX.SAD3..ANAMMOXAnAOBHDB.SAD4.5.、、6710.、89.“”10.1112.SAD.SADSAD.11.1SBR1.7L35±0.5℃..0.5h6h0.5h0.5h.pH1mol·L-1NaOHHCl7.4±0.2.0~0.6mmol·L-1N210min.1.2.3.4.5.6.1Fig.1SchematicdiagramoftheSBRconfiguration1.2.MLSSSV11.48g·L-1、11%..32g·L-1NH+4-N、NO-2-NCODNH4Cl、NaNO280、160214mg·L-1.g·L-1KH2PO40.029、CaCl2·2H2O0.136、KHCO31.4、MgSO4·7H2O0.06Ⅰ1mL·L-1EDTA5g·L-1FeSO4·7H2O5g·L-1Ⅱ1mL·L-1EDTA15g·L-1H3BO30.014g·L-1MnCl2·4H2O0.99g·L-1CuSO4·5H2O0.25g·L-1ZnSO4·7H2O0.43g·L-1NiCl2·6H2O0.19g·L-1Na2MoO4·2H2O0.22g·L-1CoCl2·6H2O0.24g·L-1NaSeO4·10H2O0.21g·L-1.1.3NH+4-N、NO-2-N、NO-3-NCOD13.SVISV.3.pHWTWpH/Oxi340iTNRRHRT12.TNRR=cinf-c()eff×241000·HRT1TNRE=cinf-ceffceff×100%2HRTHRT=6ht=0.5hcinfmg·L-1ceffmg·L-1.34Pana=1.32NH+4rem÷NO-2inf+NO-3inf+0.26NH+4rem-NO-2eff-NO-3eff×100%3Pden=100%-Pana%4ana、den、rem、inf、eff、、、.NH+4、NO-2NO-3Nmg·L-114.1.4Haldane15.Ewards16.Aiba17.Luong18.HaldaneAibaANAMMOX1920.4SAD316439.1HaldaneNRR=NRRmaxSKS+S+S2/KIH5NRRmaxkg·m3·d-1Smg·L-1KSmg·L-1KIHHaldanemg·L-1.2EwardsNRR=NRRmaxexp-SK()IE-exp-SK()[]S6KIEEwardsmg·L-1.3AibaNRR=NRRmaxSKS+Sexp-SK()IA7KIALuongmg·L-1.4LuongNRR=NRRmaxSKs+S1-SS()mn8Smmg·L-1nLuongmg·L-1..Logistic、BoltzmanGompertzSBRANAMMOX.5LogisticNRE=NREmax1+exp4Rmaxλ-t/NREmax+[]2992ceff=cinf1-0.01×NREmax1+exp4Rmλ-tNREmax[]+210NRE%NREmax%Rmax%·h-1λhth.6BoltzmanNRE=NREmax+NREmin-NREmax1+expt-tc/td11112ceff=cinf1-0.01×NREmax+NREmin-NREmax1+expt-tct()d12NREmin%tc1/2NREmaxhtdh.7GompertzNRE=NREmaxexp-expRmaxeNREmaxλ-t+()[]113132ceff=c[inf1-0.01NREmin·exp-expRm·eNREmax·λ-t+()()]11422.1SADNH+4-N、NO-2-NNO-3-N2a.≤0.25mmol·L-1NH+4-NNO-2-N0mg·L-1NH+4-NNO-2-N100%.NH+4-N、NO-2-N50%、43%46%.0.05、0.1、0.15、0.20.25mmol·L-1COD56.87%、68.03%、75.57%、87.00%95.95%.0.25mmol·L-1SAD.Vyrides21K+.0.5mmol·L-1NH+4-N33.25mg·L-1NH+4-N58.82%NH+4-N50.38%8.44%.0.5mmol·L-1ANAMMOX.22NaCl10g·L-11mmol·L-1NH+4-NNO-2-N.ANAMMOX.ANAMMOX2b.0~0.15mmol·L-1ANAMMOX50%53.01%ANAMMOX46.99%.COD64%.ANAMMOX416410.0.3mmol·L-1ANAMMOX.aNH+4-N、NO-2-NNO-3-NbcNH+4-N、NO-2-NCODd2SADFig.2PerformanceofthesimultaneousanammoxanddenitrificationSADoveralong-termtestof248cycles0.5mmol·L-157.94%~66.58%ANAMMOX51643933.42%~42.46%.23ANAMMOXHDB.OLRAnAOBHDB24~26.3Fig.3NitrogenremovalinatypicalSBRcyclewithvariousinfluenttrehaloseconcentrationsNH+4-NARR、NO-2-NNRR、CODORR2c.ARR0.25mmol·L-1ARR0.29kg·m3·d-10.25mmol·L-10.5mmol·L-1ARR0.19kg·m3·d-1ARR0.16kg·m3·d-10.25mmol·L-1ARR81.25%0.5mmol·L-1ANAMMOX.NRR0.25mmol·L-10.63kg·m3·d-1.ORR.NRR75%.Liu281mmol·L-1ANAMMOXNRRANAMMOX28.Cyplik271mmol·L-1.ANAMMOX.ΔNO-2-N/ΔNH+4-NRaΔNO-3-N/ΔNH+4-NRb2d.RbRa.1ANAMMOXΔNO-2-N/ΔNH+4-NΔNO-3-N/ΔNH+4-N1.320.26.RaRb.29.2.2SADCOD3.0.05mmol·L-1NH+4-N、NO-2-N616410CODNO-3-N0mg·L-1.NO-2-NCOD.AnAOBHDB.pH7.448.03.0.25mmol·L-1NH+4-NNO-2-NCOD5h.0.25mmol·L-1SAD.pH7.327.86.0.4mmol·L-1NO-2-NCOD4hNH+4-N6hNH+4-N22.95mg·L-1.pH7.388.067.7.0.5mmol·L-1NO-2-NCOD3.5hNH+4-N3.5h32.12mg·L-137.77mg·L-1.pH7.328.027.55.4SADFig.4CurveofthewholeprocessofSADkineticmodelwithtrehaloseaddition0.4mmol·L-10.5mmol·L-1pH3.5h.NO-2-NpHNO-2-NANAMMOXpHNH+4FAOH-pH.FAANAMMOX2530pH.ANAMMOXNO-2-NNH+4-N.SBR.31AnAOBVFANO-2-NNH+4-NDNRA.ANAMMOXDNRAANAMMOXNH+4-N.ΔpHCODΔpH
本文标题:海藻糖强化厌氧氨氧化耦合反硝化工艺处理高盐废水的脱氮除碳效能杨振琳
链接地址:https://www.777doc.com/doc-6568264 .html