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0,、,、、,。,。、,、,。[1]。、,、、、。,。,、[2-3],。(BDD),(BDD),、Cl-。1,2,3,1,1(1.,450002;2.,450002;3.,450002):,(BDD)。、Cl-。:,;,;Cl-,Cl-200mg/L,≥9s,GB18466—2005《》500MPN/L。:;;;:X7:A:1674-4829(2013)02-0035-03:2012-12-18:(092102210291).:(1962-),,,,,、.StudyonHospitalWastewaterusingBoron-dopedDiamondElectrodeYULu-ji1,KONGDe-fang2,3,WANGZhen1,YANGQiang1(1.CollegeofWaterConservancy&EnvironmentalEngineering,ZhengzhouUniversity,Zhengzhou450002,China;2.ZhengzhouUniversityEnvironmentalTechnologyandConsultingCompany,Zhengzhou450002,China;3.ZhengzhouUniversityResearchCenterforEnvironmentPolicyPlanEvaluation,Zhengzhou450002,China)Abstract:Studyonthedisinfectioneffectofhospitalwastewaterusingtheboron-dopeddiamondfilmelectrode(BDD)intheself-electrolyzerwascarriedout.Thedisinfectioneffectofcurrentdensity,disinfectiontimeandtheconcentrationofCl-werestudiedinthisexperiment.Theresultsshowedthatthegreatertheelectriccurrentdensityis,thebetterdisinfectioneffectwillbe.Thelongerthecontacttimeis,thebetterdisinfectioneffectwillbe.TheconcentrationofCl-issignificantonthedisinfectioneffect.WhentheconcentrationofCl-inhospitalwastewaterismorethan200mg/Laswellasthedisinfectioncontacttimeismorethan9s,theeffluentcouldmeettherequirementoftheMedicalInstitutionsSewageDischargeStandard(GB18466—2005)inwhichthevalueoffecalcoliformshouldbenomorethan500MPN/L.Keywords:BDDelectrode;Hospitalsewage;Fecalcoliform;Electriccurrentdensity26220134EnvironmentalScienceandTechnologyVol.26No.2Apr.20132013411.1CSEM(),100mmp-Si(HF-CVD)。1.03μm,1~10Ωcm[4-5]。1.2,。,、,1.6×104MPN/L,pH7.0~8.0。,,pH、Cl-、。,(),。1。,2mm(,1~8mm),100mL,。122.1、Cl-,(Cl-200mg/L),150L/h。(1.5,4.5,8mA/cm2),2。2,,,。,,,,,,[6-8]。,,,100%,。,8mA/cm2,9s,500MPN/L,,GB18466—2005《》。22.2Cl-Cl-100,200,250,400,500mg/L,、,Cl-。、,3,,Cl-,。,Cl-,Cl-。,,,[9-10]。Cl-,OH-O2;Cl-,Cl2/Cl-O2/OH-,Cl-Cl2,Cl2HClO,Cl-,Cl2,HClO,。3Cl-1009080706050403020101.5mA·cm-24.5mA·cm-28mA·cm-2/%03691215/s100908070605040302010ρ(Cl-)=100mg·L-1ρ(Cl-)=200mg·L-1ρ(Cl-)=250mg·L-1ρ(Cl-)=400mg·L-1ρ(Cl-)=500mg·L-1/%03691215/s36262,Cl-200mg/L,,Cl-200mg/L,Cl-200mg/L。2.3Cl-200mg/L,8mA/cm2、9s,,,4。44,,(1~8mm),,99.9%,GB18466—2005《》。3(1),,,,。(2)NaCl,Cl-,,Cl-,,Cl-200mg/L,。(3),Cl-200mg/L,,。,8mA/cm2,9s,GB18466—2005《》。(4),(1~8mm),99.9%。[][1],,,.[J].,2010,20(8):2091-2092.[2],,,.[J]..2006,27(11):2136-2139.[3],,,.[J].,2009,22(2):98-101.[4],,.[J].,2005(4):19-22.[5],,,.[J].,2005,11(3):295-298.[6],,,.:,200410033681.8[P].2004-04-16.[7]YOSHIHARAS,MURUGANANTHANM.Decompositionofvariousendocrine-disruptingchemicalsatboron-dopeddia-mondelectrod[J].ElectrochimicaActa,2009,54:2031-2038.[8],,,.[J].,2007,29(9):708-712.[9]FOTIG,GANDINID,COMNINELLISC,etal.Oxidationoforganicsbyintermediatesofwaterdischargeonironandsyntheticdiamondanodes[J].ElectrochemicalandSolidStateLetters,1999,2(5):228-230.[10]PALMASS,POLCAROAM,VACCAA,etal,InfluenceoftheoperatingconditionsontheelectrochemicaldisinfectionprocessofnaturalwatersatBDDelectrodes[J].JournalofAppliedElectrochemistry,2007,37(11):1357-1365.(:)10099.999.9899.9799.9699.95/%12468/mm37
本文标题:掺硼金刚石膜电极处理医院废水的研究
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