电化学双极法处理高浓度含铜黄连素制药废水肖书虎

Vol．1No．4July2011JournalofEnvironmentalEngineeringTechnology14201172011－03－282008ZX07208－003201004703992010KYYW15S2010GR07681979—[e-mail]*1967—[e-mail]1674－991X201104－0295－051121*121．1000122．110142。、pHCu2+。2.0cm4.0ApH300minCu2+170022000mgL12055.0mgL93.3%99.9%。97.1%t21.4kg。。X787ADOI10.3969j．issn．1674－991X.2011.04.049TreatmentofBerberinePharmaceuticalWastewaterContainingCopperbyBipolar-electrochemicalProcessXIAOShu-hu1ZHANGGuo-fang12SONGYong-hui1ZENGPing1LIHui21．DepartmentofUrbanWaterEnvironmentalResearchChineseResearchAcademyofEnvironmentalSciencesBeijing100012China2．CollegeofEnvironmentalandBiologicalEngineeringShenyangUniversityofChemicalTechnologyShenyang110142ChinaAbstractTheberberinepharmaceuticalwastewatercontainingcopperwastreatedbythebipolar-electrochemicalprocess．TheeffectsofelectrodedistancecurrentintensityandinitialpHontheremovalefficienciesofberberineandCu2+werestudiedbasedonanalysisofthewaterqualitycharacteristics．Theresultsshowedundertheconditionsoftheelectrodedistances2.0cmthecurrent4.0AandinitialpHofrawwasterwatertheconcentrationsofberberineandCu2+decreasedfrom1700and22000mgLto120and55.0mgLrespectivelyandtheremovalefficienciesreachedabout93.3%and99.9%respectivelyafter300minwithoutaddingelectrolyteandoxidant．Accordingtotheweightmethodcopperrecoverywascalculatedas97.1%．Thatisabout21.4kgofCucouldberecoveredfrompertonofsuchwastewater．Itwasprovedthatthebipolar-electrochemicalprocesswasaneffectivemethodforthetreatmentofberberinewastewatercontainingcopperwhilerecoveringmostofthecopper．Keywordselectrochemicalprocesspharmaceuticalwastewatercopper-containingwastewaterberberinecopperrecovery1-2。1CODCr3。“”。4、56。6。7-9。2gL10-13。Cu2+Cu2+。、pHCu2+。11.1、、1。500mL6cm×10cmRuO2Ti2Ti。JC17310SF。1.21Fig．1Schematicdiagramoflabscaleexperimentaldevice。500mL。pH1molLNaOH1molLHClStarter3CpH。Cl－Cu2+14。150.05molL25∶751.0μLmin30℃30min。DDS－11A。XP105Deltarange。22.11。1Table1CharactersofberberinewastewatercontainingcopperpHCu2+mgLCODCrmgLmgLmScmCl－mgL0.4220000～2400060000～800001200～1800300126701CODCrCu2+Cu2+。Cl－Cl－16-20Cu2+。2Cl－→Cl2+2e－Cl2+H2O→HOCl+H++Cl－HOCl→OCl－+H+·692·4Cu2++2e－→Cu2.22.2.1。4.0ApH0.43300min2。22.0cmCu2+。93.3%Cu2+99.8%。1.0cm8。2.0cm。2Cu2+Fig．2EffectofelectrodedistanceontheremovalofberberineandCu2+2.2.22.0cmpH0.41300min2.03.04.05.0ACu2+3。3Cu2+Fig．3EffectofcurrentontheremovalofberberineandCu2+3Cu2+。Cu2+Cu2+。。4.0ACu2+93.3%99.9%4.0A。·792·12.2.3pHpH4.0A2.0cmpH0.46～3.96300minCu2+4。4pH0.46～3.96Cu2+。pH3.96pHCu2+CuOH2Cu。pHCu2+。4pHCu2+Fig．4EffectofinitialpHontheremovalofberberineandCu2+2.35UV－Vis200～500nm。5UV－Vis225260340nm3。38。5UV－VisFig．5UV-Visspectravariationversustimeintheelectro-chemicaltreatmentofberberinewastewatercontainingcopper2.4CuCu2+。21。Cuη=M1－M2CCu×V×100%η%M1M2gCCugLVL。32。298.3%97.3%95.6%97.1%t21.4kg。。23Table2Copperrecoveryrateof3timestheparallelexperimentsM1gM2gCCugLVLη%139.837050.618722.00350.598.3250.618761.288721.94340.597.3361.288771.858722.11290.595.6·892·4312.0cm4.0ApHCu2+93.3%99.9%。2UV－Vis。397.1%t21.4kg。1．J．2002221122-24.2．J．20111111-15.3．J．2005340-41.4．J．200012725-28.5．J．200626281-83.6．J．199010441-43.7LIDIASFRANCESCOZGSANTOSHNKetal．CopperelectrodepositionandoxidationofcomplexcyanidefromwastewaterinanelectrochemicalreactorwithaTiPtAnodeJ．AppliedChemistry20003972132-2139.8．J．201124179-84.9HUNSOMAMPRUKSATHORNAKDAMRONGLERDSetal．ElectrochemicaltreatmentofheavymetalsCu2+Cr6+Ni2+fromindustrialeffluentandmodelingofcopperreductionJ．WaterRes2005394610-616.10．J．20087222-25.11．J．201026190-94.12．J．201030286-88.13．J．200913101279-1281.14．M．4．2002.15RENMJSONGYHXIAOSHetal．Treatmentofberberinehydrochloridewastewaterbyusingpulseelectro-coagulationprocesswithFeelectrodeJ．ChemicalEngineeringJ201116912384-90.16COSSURPOLCAROAMLAVAGNOLOMCetal．Electro-chemicaltreatmentoflandfillleachateoxidationatTiPbO2andTiSnO2anodesJ．EnvironSci＆Technol200432223570-3573.17XIAOSHQUJHZHAOXetal．ElectrochemicalprocesscombinedwithUVlightirradiationforsynergisticdegradationofammoniainchloridecontainingsolutionsJ．WaterRes20094351432-1440.18．J．20111295-100.19．M．2007.20MORAESPBBERTAZZOLLIR．ElectrodegradationoflandfillleachateinaflowelectrochemicalreactorJ．Chemosphere20055841-46.21．J．2006223223-227.○·992·