处理高硫酸盐氨氮含量有机废水所产气体利用研究李翔宇

、、、SO42-NH3-N[1]。、[2]。SO42-SO42-H2S。H2S。H2S[3]。H2S[4-5]。H2SH2S。SO42-、NH3-N、ANSDDSO42-、NH3-N。、H2SH2SH2SH2S[6-11]。H2SH2SSDDH2SSDDSDD。11.1SDDSDDNO3-。1。SDD2UASB12L。H2SSDD。SDD、1,31,21,31.5106402.5280313.100049、SDDSO42-、NH3-N。H2SH2SSDDSDD。H2SSDDH2S。H2S。H2SX703.1A1000-3770(2013)1[e-mail][e-mail]3912201312Vol.39No.12Dec.,201336H2S。1.2。。1.3COD、。CODNH4Cl、NH4HCO3K2HPO4Na2SO4。、、。COD5000mg/LSO42-、HPO42-1000、180、150mg/L。SDDNH3-N。KNO3NO3--NNa2S。SDDSDD。NaHCO3。1.41.4.1SDD。CODHRTHRT80h30d60h60d48h80d24h。。SDD。。1.4.2、COD、pHH2SSDDH2SSDD。1.5CODSO42-pHpHNO3--N。H2SNaOH0.5mol/LH2S。22.1H2S2.1.1COD5000mg/L。SO42-200mg/LSO42-200mg/LSO42-1400mg/L。SO42-24hH2S。2。2。1Fig.1Schematicdiagramofthereactorρ(SO42-)/(mg·L-1)2SO42-H2SFig.2EffectofSO42-concentrationsonTGPandH2Sgasproduction02004006008001,0001,2001,4001,6000.00.51.01015202530
V/L、37H2SH2S[12]。H2SSO42-300mg/LH2S。H2S。H2SH2S。SO42-800mg/LH2S1200mg/L。。H2S。H2S。2.1.2CODSO42-500mg/LCOD。COD500mg/LCOD500mg/LCOD5000mg/L。COD24hH2S。3。3CODCOD。CODH2S。CODCODH2S。[13]。CODH2S。2.1.3pHCODSO42-5000mg/L1000mg/LNaHCO3pHpH6.0～7.5。pH24hH2S。4。4pH=7.0H2SpH=6.5。H2SH2S(g)葑H2S(l)葑HS-+H+葑S2-+2H+。H2S。H2S。pH6.8H2S。2.2H2SH2SSDDH2SSDD。H2SSDD。H2SSDDH2S。COD5000mg/LSO42-1000mg/L。SDD3CODH2SFig.3EffectofCODonTGPandH2Sgasproduction01,0002,0003,0004,0005,0000.00.10.20.3510152025
V/LCOD/(mgL)4pHH2SFig.4EffectofpHonTGPandH2Sgasproduction5.56.06.57.07.58.00.00.51.010152025
V/LpH391238COD750mg/LS2-250mg/LNO3-380mg/L。5。520mL/minH2SSDDH2S。20mL/minH2S。H2SH2SH2SH2S30mL/min。10～15mL/minH2SSDD。2.3H2SSDDSDDS、N5:3。SDDS、N5:35:4SDD。COD5000mg/LSO42-1000mg/L。10mL/minSDD10min10min12h7.2LH2S0.3L。SDD2。2H2SSDD。H2SH2S。2.4SDDSDD。、CODH2S3。3H2SH2SCOD。3、CODpHH2S。H2S。H2SSDDH2S15mL/min。H2SSDD。SDDH2SH2S。SDDH2SH2SH2S。5H2SFig.5EffectofgasflowrateontheabsorptivityofH2S01020304050-80-60-40-20020406080
/%q/(mLmin)SO42-COD829270750.300.553Tab.3Variationofthesulfateremovalbeforeandafterstripping/%V(H2S)/L5:35:4726075660.30.30.150.08V(H2S)/L2Tab.2Variationofthede-sulfurizationandde-nitrificationbeforeandafterstrippingm(S):m(N)NO3--N/%、39STUDYONTHEUSEOFTHEGASPRODUCEDINTHETREATMENTFORHIGHLYSULFATE,AMMONIAANDORGANICSCONTAININGWASTEWATERLiXiangyu1,3,ChenFanrong1,2,ChenYakun1,3(1.GuangzhouInstituteofGeochemistry,ChineseAcademyofSciences,Guangzhou510640,China;2.FoshanEnvironmentalProtectionTechnologyandEquipmentProfessionalResearchandDevelopmentCenter,Fusan528031,China;3.UniversityofChineseAcademyofSciences,Beijing100049,China)Abstract:Thehighconcentrationsulfate,ammoniaandorganicscontainingwastewaterwastreatedbythecombinationofanaerobicreactor,aerobicnitrificationreactorandsimultaneousde-sulfurizationandde-nitrification(SDD)reactor,andsulfate,ammoniaandorganicsinthewastewaterwouldberemovedsimultaneously.TheeffectofdifferentaspectsonthetotalgasproductionandH2Sgasproductionoftheanaerobicreactor,theeffectofstrippingthegaswithH2SintotheSDDreactoronSDDprocessandtheeffectofstrippingtheanaerobicreactorontheanaerobicprocesswereinvestigated.Resultsshowedthat,theNO3-removalratewouldbeincreasedandthecostofH2SrecyclewouldbedecreasedafterstrippingthegasintoSDDreactor.StrippingtheanaerobicreactorwoulddecreasetheamountofH2Sinanaerobicreactorandmakethesystemmoreefficiently.Keywords:anaerobicreactor;simultaneousde-sulfurizationandde-nitrification(SDD)reactor;totalgasproduction(TGP);H2Sgasproduction;stripping[1],,.[J].,2010,39(2):102-105.[2],,,.[J].,2012,30:151-155.[3]SheoranA,SheoranV,ChoudaryR.Bioremediationofacid-rockdrainagebysulphate-reducingprokaryotes[J].MineralsEngineering,2010,23(14):1073-1100.[4].[J].:,2012,31(2):181-184.[5],,,.[J].,2004,30(5):68-71.[6],,,.[J].,2012,30:151-155.[7],.[J].,2009,20(2):52-56.[8],,.UASB[J].,2011,34(2):136-138.[9]AlexHol,RenataD.VanderWeijden,etal.Bio-reductionofpyriteinvestigatedinagasliftloopreactor[J].InternationalJournalofMineralProcessing,2010,94:140-146.[10]ChuanChen,AijieWang,NanqiRen,etal.Enhancingdenitrifyingsulfideremovalwithfunctionalstrainsundermicro-aerobiccondition[J].ProcessBiochemistry,2010,45:1007-1010.[11]AijieWang,ChunshuangLiu,NanqiRen,etal.Simultaneousremovalofsulfide,nitrateandacetate:kineticmodeling[J].JournalofHazardousMaterials,2010,178:35-41.[12]SamirKumarKhanal.Single-stageanaerobictreatmentofhighsulfatewastewaterwithoxygenationtocontrolsulfidetoxicity[D].HongKong:HongKongUniversityofScienceandTechnology,2002.[13],,.[M].:,2002:426-430.PREPARATIONANDPERFORMANCESTUDYOFNANOMETERCeO2/PVDFCOMPOSITEMEMBRANEWangHuiya1,LuXiangming2（1.DepartmentofChemistryandEnvironment,NanjingInstituteofTechnology；2.DepartmentofMaterialEngineering,NanjingInstituteofTechnology:Nanjing210067,China）Abstract:Inthisstudy,CeO2/PVDFcompositemembranewaspreparedbyrapidsol-gelmethod.Thepurewaterfluxincreasedfrom109L/(m2·h)ofpuremembraneto210L/(m2·h)ofhybridmembrane.Spectrophotometer,microcontrolelectronicuniversaltestingmachine,SEM,FTIRandTGwereusedtocharacterizetheinfluenceoftheadditionofnanoceriumoxidetomembranerejectionratio,mechanicalproperty,porestr