复合式缺氧好氧法处理晚期垃圾渗滤液研究金永祥

NH4+-N[1]。200871GB16889－2008TN[2]。。TN。、、-[3]。。-A/OTN。11.11A/O。A/O3、、120、20、60cm40cm288L。4O1、O2、O3O4125mm。A/O。5cm。。3。。。1.2。NH4+-NpH。1。1.3NH4+-NNO2--NN-(1-)-NO3--NTN-CODDOMLSS103～105℃VSS600℃pHJENCO6173pH。－310014-。pH。DO2.8mg·L-1、30℃NH4+-N99%95%。NH4+-N20mg·L-1GB16889－2008。、。2TN73.6%SND9.1%。A/OX703.1A1000-3770(2010)[e-mail]1A/OFig.1FlowchartofhybridA/Odevices36220102TECHNOLOGYOFWATERTREATMENTVol.36No.2Feb.,201098DOI:10.16796/j.cnki.1000-3770.2010.02.0272A/Oρ(SS)=6.341g·L-1ρ(VSS)=3.327g·L-1m(VSS)/m(SS)=0.52550L。Hellinga30℃HRT[4]。(30±1)℃DO2.8mg·L-1HRT2～3d。NH4+-N0.15～0.35kg·m-3·d-11。11m(NO2--N)/m(NOx--N)50%NH4+-N50mg·L-1。16NH4+-N25mg·L-195%。。33.1A/O2。COD、NH4+-NTN71.5%、99.2%72.0%。NH4+-N20mg·L-1COD1800mg·L-195%。、DO、NH4+-N30mg·L-1。R=2TN73.6%。、、SNDTN。3.2DO2.8mg·L-130、25、20℃NH4+-N。NH4+-N95%。。NH4+-N30℃。3.3DOCOD=5538.4mg·L-1、NH4+-N1831mg·L-1、pH=8.06、R=2、NH4+-N0.45kg·m-3·d-1、30℃DONH4+-N2。2DODONH4+-N。DO。3.4pH、pH2。3R=2pH。3COD/mg·L-1ρ/mg·L-1NH4+-NTNNO2--NNO3--N67521910221618242067806700252R=2Tab.2Effectoftreatmentathighloadingrate(R=2,average)012340204060801005060708090100NH-N
/%
(DO)

/%2DONH4+-NFig.2EffectofDOontherateofammoniaremovalandnitrosationCOD/mg·L-1BOD5/CODρ(NH4+-N)/mg·L-1ρ(TN)/mg·L-1pH1)/mg·L-14627～82450.12～0.251522～23491668～29907.9～8.38500～123501)ρ(CaCO3)。1Tab.1Mainwaterqualityindexsduingexperimentation567891002468101214
/gLpH
pHAO1O2O3O43pHFig.3ProfileofpHandalkalinityinthereactor－992O1、O2pHNH4+-N2。3ApH0.6。OH-ApH。pHNH4+-N。3.5NH4+-NNH4+-N99%NH4+-N20mg·L-1。NH4+-N2212mg·L-1、COD=5725mg·L-1、pH=8.0、R=2HRTNH4+-N。4NH4+-NNH4+-NpH。NH4+-N0.550.64kg·m-3·d-112hNH4+-N100mg·L-1。pH8.5。NH4+-NHRTH+O1pHA。pH8.5O1pHA。pH。NH4+-N0.55kg·m-3·d-1。NH4+-N。1/3～1/2pH8。pH。3.6SNDDO[5]。NO2--NNO2--N30mg·L-1[6]。。COD/TN3～4SND5。5231.3%NO2--N80mg·L-1R2。SND。SNDOH-H+pH2[7]。SNDR0、1、2、3。NH4+-N500～700mg·L-1。5ηSND12%。R=2η=73.6%A/OSND9.1%。RSND。3.722O1、O22O3、O4Bio-fringeBF1cm3。BF0.20.30.40.50.60.70204060801001206.06.57.07.58.08.59.0NH-N


 
pH4NH4+-NpHNH4+-NFig.4InfectonconcentrationofammonianitrogenineffluentandpHofammonianitrogenloadingrate012345020406080100020406080100(NO-N)/mgL
/%R5RSNDTNFig.5EffectofRandSNDonthetotalnitrogenremoval3621006。12。3、100mm0.8g·cm-33410m2·m-3。15d1.217g·g-11.242g·g-1。2。7BF。。BF。3.8DO。DO。pH。pHpH8。8pH。pH。4A/O。NH4+-N0.32kg·m-3·d-1NH4+-N99%NH4+-N20mg·L-1。R=2TN73.6%。SNDSNDTN。95%DOpH。、pHA/O。。。[1],.[J].,1999,12(1):10-13.[2]GB16889－2008[S].[3]KhinT,AnnachhatreAP.Novelmicrobialnitrogenremovalpro-cesses[J].BiotechnologyAdvances,2004,22:519-532.[4]HellingaC,SchellenAAJC,MulderJW,etal.Thesharonprocess:aninnovativemethodfornitrogenremovalfromammonium-richwastewater[J].WatSciTech.,1998,37(9):135-142.[5].[M].:,2000:308-312.[6].[M].:,2002:380-382.[7]RandallCW.Thecaseforanaerobicreductionofoxygenrequire-mentsinbiologicalphosphorusremovalsystems[J].WaterEnviro-mentResearch,1992,64(6):823-824.6BFFig.6Themorphologyofbiomasscarrier7BFFig.7PhotooftheBFwithbiofilm8pHFig.8ProfileofnitrosationrateandpH0246810121416020406080100678910
/d/%pH104－101NaClCl-12.5g·L-15A·dm-20.5LCOD5。5COD。2。3、、。3COD。COD。120minCOD。。[1],,,.[J].,2006,37(7):14-17.[2],,,.[J].,2004,17(1):77-80.[3],.[J].,1995,16(5):6-9.[4],.COD[J].,2004,37(6):51-54.[5],.[J].,2008,37(6):959-962.020406080100120020406080COD
/%/min5CODFig.5TheinfluenceofthemagneticfieldtotheelectrolyzingprocessIMPACTOFMAGNETICFIELDTOLANDFILLLEACHATETREATMENTBYELECTROLYSISWangZhuliang,ZhouChuan(InstituteofEnergyandPowerEngineering,JiangsuUniversity,Zhenjiang212013,China)Abstract:TheimpactofstaticmagneticfieldandACmagneticfieldtolandfillleachatetreatmentofelectrolysiswasinvestigatedusingnewlandfillleachatetreatedbycoagulation.Theexperimentalresultsshowthat,thelandfillleachateCODcouldgodownaftermagnetized.Comparedtotreatedbyelectrolysislonely,theremovalefficiencycanincreasebyabout17%and12%respectivelyaftertreatedbystaticmagneticfieldandtheACmagneticfield.TheeffectofstaticmagneticfieldisbetterthantheACmagneticfield.Comparedtotreatedbyelectrolysislonely,theremovalefficiencycanincreasebyabout20%and25%respectivelyaftertreatedbyelectrolysiswithstaticmagneticfieldandtheACmagneticfield.TheeffectofthetreatmentwithACmagneticfieldisbetterthanwiththestaticmagneticfield.Keywords:leachatetreatment;electrolysis;magneticfield;coagulationSTUDYONSHORT-CUTNITRIFICATIONANDDENITRIFICATIONFORTREATMENTOFADVANCEDLANDFILLLEACHATEBYHYBRIDA/OPROCESSJinYongxiang,TaoLijuan,ZhouZhanhao,NiShujun(ChinaUnitedEngineeringCorporation,Hangzhou310014,China)Abstract:HybridA/Oprocesswasappliedtotreatadvancedlandfillleachate,theinfluencefactorsoftheshort-cutnitrificationwerediscussed.TheresultsshowedthathighpHvaluewasthekeyfactorofstablenitrosification,theammoniaremovalandnitrosificationratecouldreach99%and95%respectivelyatDOof2.8mg·L-1,temperatureofabout30℃.Ammoniaofeffluentwaslessthan20mg·L-1,whichmeetsthestandardforpollutioncontrolonthelandfillsiteofmunicipalsolidwas