Ru涂层电极与负载Ni催化剂对丁腈橡胶废水的电催化氧化

296201111PetrochemicalTechnology＆ApplicationVol．29No．6Nov．2011530～532RuNi12331．7300702．1160343．730060RuTiγ－Al2O3NiCuSr2mA/cm22cmCOD900mg/LpH7～8。RuTiγ－Al2O3Ni6gCOD10。X703．1B1009－0045201106－0530－03COD。、、、。、、、1－4。、。5。Ru6TiCOD。1①1．1COD900mg/LpH7～8。1．21．2．1Ti7、、Ru8。1．2．2。γ－Al2O39γ－Al2O38%SrNO32CuNO32NiNO3224h、Sr2+Cu2+Ni2+110～120℃6h450℃4h。1010%NaOH24h1∶124h120℃2h260℃4h。SrNO32CuNO32NiNO3224hSr2+Cu2+Ni2+120℃6h300℃12h。1．2．33000mL1。TiRu①2011－08－112011－09－011984—。1。。22cm2mA/cm2。30minCOD。122．1COD2COD60minCOD47%RuCOD。Ru11VTi21V。Ru。●—Ti▲—Ru2COD2．22．2．136gCODCuNiSrγ－Al2O3。。3COD2．2．246gγ－Al2O3NiCu60min。Cu7CODNiCOD。42．2．35Niγ－Al2O3COD6gCOD10。·135·6．RuNi6gCOD59%。5COD3a．COD。RuTi。b．COD。CuNiSr。γ－Al2O3。c．γ－Al2O3NiCu。d．Ru3000mL6gNiγ－Al2O3COD59%。1．Fenton－J．200935899－102．2．－FentonJ．200935876－79．3．－J．200826318－19．4．+MBRJ．201030452－55．5．J．199719619－22．6．J．200222635－36．7．J．200945111－15．8．M．1989．9．D．2005．10．CODJ．200121419－22．1．J．2011293231－233．2．PdJ．2011322350－354．3WeiYanxinWangYaomingZhangXu．Treatmentofsimulatedbrominatedbutylrubberwastewaterbybipolarmembraneelectro-dialysisJ．SeparationandPurificationTechnology2011802196－201．4．－－J．20103315－10．Electro－catalyticoxidationtreatmentofnitrilerubberwastewaterwithRu－coatedelectrodeandsupportedNicatalystDingJian1LiuHaiyan2ZhangYuan3LiuGuangli31．SchoolofEnvironmental＆MunicipalEngineeringLanzhouJiaotongUniversityLanzhou730070China2．EnvironmentalEngineeringCollegeDalianUniversityofTechnologyDalian116034China3．LanzhouPetrochemicalResearchCenterPetroChinaLanzhou730060ChinaAbstractNitrilerubberwastewaterwithchemicaloxygendemandCOD900mg/LandpHvalue7－8wastreatedbyelectro－catalyticoxidationmethodusingRuorTielectrodeasanodestainlesssteelplateascathodeinthepresenceofaluminaoracti-vatedcarbonsupportedNiCuSrcatalystsundertheconditionofelectriccurrentdensity2mA/cm2andtheplatespacing2cm．TheresultsshowedthattheenergyconsumptionofRuelectrodewaslessthanthatofTielectrode．CODremovalrateofnitrilerubberwastewaterincreasedbymorethan10percentpointswhenthelevelofγ－Al2O3sup-portedNicatalystwas6g．Keywordsnitrilerubberwastewaterelectro－catalyticoxidationmethodRuelectrodecatalystchemicaloxygendemand·235·29