含铜黄连素废水的铁碳微电解预处理及铜回收研究肖宏康

Vol.1,No.1Jan.,2011　　　　　　　JournalofEnvironmentalEngineeringTechnology1,120111　:2010-09-25　:(2008ZX07208-003);(20100470399);(2010KYYW15)　:(1985—),,,,[e-mail]＊:(1967—),,,,,[e-mail]:1674-991X(2011)01-0015-05肖宏康1,2,肖书虎1,宋永会1＊,曾萍1,邵红2,张国芳1,2,李辉21.,　1000122.,　110142　:,,,pH,。:Cu2+20000mgL,1700～1900mgL,pH2.0～3.0,2530gL,90min,70%,Cu2+99.9%,Cu2+20mgL,t18～19kg,。:;;;:X787　　　:A　　　DOI:10.3969j.issn.1674-991X.2011.01.003StudyonthePretreatmentandCopperRecoveryfromBerberineWastewaterContainingCopperbyFe-CMicro-electrolysisXIAOHong-kang1,2,XIAOShu-hu1,SONGYong-hui1,ZENGPing1,SHAOHong2,ZHANGGuo-fang1,2,LIHui21.DepartmentofUrbanWaterEnvironmentalResearch,ChineseResearchAcademyofEnvironmentalSciences,Beijing100012,China2.CollegeofEnvironmentalandBiologicalEngineering,ShenyangUniversityofChemicalTechnology,Shenyang110142,ChinaAbstract:Fe-Cmicro-electrolysiswasappliedtoperformpretreatmentofberberinepharmaceuticalwastewatercontaininghighconcentrationofCu2+.Theeffectsofreactiontime,ironcarbondosagesandinitialpHonthepretreatmentresultswereinvestigatedbysinglefactorexperiments,andtheprocessofcopperrecoverywasdesigned.TheresultsshowedthatwhiletreatingthewastewaterwithinitialconcentrationofCu2+20000mgLandberberinecontentof1700-1900mgL,theberberineremovalefficiencywasabove70%andcopperremovalefficiencyreached99.9%withlessthan20mgLCu2+remainingintheeffluentand18-19kilogramsofcoppercouldberecoveredbytreatmentonetonofsuchwastewater,undertheoptimizedconditionsofpH2.0-3.0,reactiontime90minandthedosagesofironandcarbon25and30gL,respectively.Theprocesswaseasilycontrolledandeffective.IthaslaidfoundationforlargerscaletreatmentofberberinewastewatercontaininghighconcentrationofCu2+.Keywords:Fe-Cmicro-electrolysis;copper-containingwastewater;berberine;pretreatment,30td。Cu2+,1。,Cu2+。[1]、[2-4]、[5-6]。,;,,,;Cu2+,。,[7-16]。,,。,,,pH。,,FeC,,。1　1.1　,1,CJJ-1(),1000mL。1　Fig.1　Schematicdiagramoflabscaleexperimentalinstallation1.2　500mL,pH,()(),。,,Cu2+。pHNaOH,720APLUSBenchtoppH(ThermoOrionCo.,USA)。UV-6100()340nm,Cu2+,CODCr(CR3200COD,WTWGerman)[17]。1.3　,,,1。1　Table1　WaterqualityofberberinewastewatercontainingcopperpHCu2+(mgL)CODCr(mgL)(mgL)0.4～1.220000800001700～19002　2.1　pH2.0,325gL,30gL,25gL30gL,、3,2。2　3Cu2+Fig.2　Comparisonof3processesforberberineandcopperremovals·16·1:2,90min,Cu2+,。,[6-7],:1);2),,,,,;3)。:Fe+Cu2+Cu+Fe2+(1):(Fe)　Fe-2eFe2+(2)(C)　2H++2e※2[H]H2←()(3)Cu2+,,,。2.2　500mL,pH0.6,20gL,。30,60,90,120,150,180min,Cu2+3。3　Cu2+Fig.3　Effectofreactiontimeonberberineandcopperremovals3(a),,,。3(b),30min,Cu2+,90min,Cu2+,90minCu2+93.3mgL。,,,。,90min。2.3　pH0.6,20gL,,,90min,,4。4　Cu2+Fig.4　EffectofFedosageonberberineandcopperremovals4(a),,25gL,,25gL,90min69.5%。4(b),,Cu2+。,,;,Cu2+,,。,·17·125gL。2.4　pH0.6,25gL,,90min,,5。5　Cu2+Fig.5　Effectofcarbondosageonberberineandcopperremovals5,,Cu2+,30gL,72.4%,Cu2+28.4mgL。,,,,,,30gL。2.5　pH500mL,1911mgL,Cu2+18643mgL,pH2.03.0。2530gL,,pH,6。6,pH,,pH,;Cu2+pH,90minCu2+46.0,15.511.2mgL。,,。,pH,90min,pH5.0。,pH2.0～3.0。6　pHCu2+Fig.6　EffectofpHvalueonberberineandcopperremovals2.6　7,,,;、、CuCl2;CuCl2,,t18～19kg。7　Fig.7　Processofwastewatertreatmentandcopperrecovery3　(1)Cu2+,。,Cu2+,·18·1:。(2):25gL,30gL,pH2.0～3.0,90min,70%,99.9%,Cu2+20mgL,t18～19kg。[1]　,,,.[J].,2007,27(2):86-89.[2]　,,.[J].,2004,30(4):153-157.[3]　,,.[J].,2009,31(4):33-39.[4]　HUNSOMM,PRUKSATHORNK,DAMRONGLERDS,etal.Electrochemicaltreatmentofheavymetals(Cu2+,Cr6+,Ni2+)fromindustrialeffluentandmodelingofcopperreduction[J].WaterRes,2005,39(4):610-616.[5]　WUSN,CHENPJ,ZHANGBP.Copperionremovalbysurfacemodifiedactivatedcarbon[J].JHuazhongUniverSciTechnol:UrbanSciEd,2002,19(1):33-37.[6]　,.[J].,2008(5):33-36.[7]　,,.[J].,2008,25(5):326-329.[8]　,,.[J].,2009,19(35):104-107.[9]　BUCKLER,ROYS.TherecoveryofcopperandtinfromwastetinstrippingsolutionpartIthermodynamicanalysis[J].SepPurifTechnol,2008(62):86-96.[10]　,,.[J].,2007,39(6):883-886.[11]　,,.[J].,2006,7(11):121-123.[12]　,,.[J].:,2006,9(1):38-40.[13]　SHIY,LIUH,ZHOUX,etal.Mechanismonimpactofinternal-electrolysispretreatmentonbiodegradabilityofyeastwastewater[J].ChinSciBull,2009,54(12):2124-2130.[14]　CHENGHF,XUWP,LIUJL,etal.Pretreatmentofwastewaterfromtriazinemanufacturingbycoagulationelectrolysis,andinternalmicro-electrolysis[J].JHazardMater,2007,146(12):385-392.[15]　,,.[J].:,2007,43(4):397-401.[16]　,,.[J].,2003,16(1):39-42.[17]　.[M].4.:,2002.·19·