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Progressinthestudyofthetreatmentofcyanide-containingwastewaterfromindustriesRenXiaojun1,LiYanfeng1,2,ZhaoGuanghui1,WeiYunxia2(1.StateKeyLaboratoryofAppliedOrganicChemistry,CollegeofChemistryandChemicalEngineering,LanzhouUniversity,Lanzhou730000,China;2.CollegeofEarthandEnvironmentalScience,LanzhouUniversity,Lanzhou730000,China)1,1,2,1,2(1.,,730000;2.,730000)[],、。,,。。[];;[]X703.1[]A[]1005-829X(2009)08-0001-05Abstract:Theprogressinthestudyoftheprocessoftreatingwastewatercontainingcyanideisintroduced.Theap-plicationofthetechniquesandbiologicalmethodsofthisprocessbothathomeandabroad,themainbacterialstrainsandthedegradationmechanismofcyanidearerecommendedemphatically.Takingintoaccountoftheenvi-ronmentprotection,variousmethodsfortreatingcyanide-containingwastewaterarediscussedinasystematicway,andtheiradvantagesanddisadvantagesareexplored.Itisconsideredthatcombiningthebiologicalmethodwithoth-ermethodsfortreatingcyanide-containingwastewatercanmeettheenvironmentrequirementsbetter.Keywords:cyanide;biologicalmethod;environmentprotection29820098IndustrialWaterTreatmentVol.29No.8Aug.,2009[](GS022-A52-082);(NKLAOC2004-39);(LZU200505),、、、、、、、、〔1〕,,、、。191,161。1.2×108m3/a。,,mg/L。,20023.94t,20014.436t,200312.49t。,:HCN0.1g、NaCN0.15g、KCN0.2g。、SO2-、、、、、、、、、〔1-6〕。,、、、,,、、1——2009-08,29(8)2009-08,29(8),〔7〕。,。1。、,,,。1.1。、,CO2N2。〔8〕,pH≥10,,CN-93%。、、、。,:(1),;(2)pH;(3)、〔9〕。,,,。1.2,,。〔10〕:(1)CN-+O3→CNO-+O2(g);(2)CNO-+3O3+H2O→2HCO3-+N2+3O2(g);(3)SCN-+O3+H2O→CN-+H2SO4。〔11〕,pH10、195.15mg/L,0.1m3/h,150mA,90min,99.8%。,,;,,,。,。1.3Cu2+,pH9.5~11.0,H2O2(),、,,。。〔12-13〕H2O2,5~50mg/L<0.5mg/L,7.56/m3。,;,,。22.1。,。,O2。O2,、。(),:(1)2CN-+O2→2CNO-;(2)CNO-+2H2O→2HCO3-+NH3;(3)NH3+H2O→NH4OH。,,,:HCN+H2O→HCONH2。〔14〕,(389~420mg/L),(<0.5mg/L),99.8%~99.9%。:,,,pH;,;HCN;,。2.2,CN-,,CN-,CN-,,、。〔15〕1227.5mg/L,10min,524.3mg/L,59.0%。80min<0.5mg/L,2——2009-08,29(8)2009-08,29(8),:99%。,、、、。,,。2.3。。〔16〕(730~850mg/L)、。,pH8~11,。:;;;。3,、。,,。、、、、、、、。〔17〕,,,,,。,7km,1/2;11km,0.05mg/L;22km,0.017mg/L。ShehongLi〔18〕:(1),;(2),,。:,,;,μg/g,;。44.1<200mg/L,,CO2、,,(pH、、、、),〔4,19〕。4.2,4:(1)〔20〕,。,,,CO2NH3。(2),CO2NH3。(3),,NH3,。(4)〔21〕。4.3、、、、PF3、、AK61、、N-10、、HumicolusMCN2、、、20,50〔6,22〕。,、,、。,,。。K.Oudjehani〔23〕,。(1.03±0.24)×106mL-1。4.44.4.1M.D.Adjei〔24〕BurkholderiacepaciastrainC-3,、、,25mol/L。〔25〕、CN-,6h3——2009-08,29(8)2009-08,29(8)CN-80%,8hCN-30mg/L<0.5mg/L,。〔26〕,,19。7CN-800mg/L,CN-2000mg/L。4.4.2H.J.Gijzen〔27〕(UASB),UASB5mg/L,,HRT12h,125mg/L,250mg/(L·d),91%~93%。M.G.Campos〔28〕,。>95%,。S.Sirianuntapi-boon〔29〕SBR(),,SBRBOD0.40、0.0023kg/(m3·d),COD、BOD、TKN79%±2%、85%±3%、49.0%±2.1%97.7%±0.7%。5,、、、,,,。、,。,,;,。,。,,,。、,。[][1].[D].:,2005.[2].[J].,2002(6):23-25.[3],,.[J].,2001(2):16-19.[4].[J].,2004,25(3):48-52.[5],,,.[J].,2007,25(2):22-25.[6]AkcilA.Destructionofcyanideingoldmilleffluents:biologicalversuschemicaltreatments[J].BiotechnologyAdvances,2003,21(6):501-511.[7],.[J].,2005,25(2):18-20.[8],,.CN-[J].,2002,20(6):72-76.[9].[J].,1997(1):47-48.[10]PargaJR,ShuklaSS,Carrillo-PedrozaFR,etal.Destructionofcyanidewastesolutionsusingchlorinedioxide,ozoneandtita-niasol[J].WasteManagement,2003,23(2):183-191.[11],,,.[J].,2005,26(6):51-53.[12],,,.[J].,2006,18(4):32-34.[13].[J].,1998,19(5):48-51.[14],,.[J].,2004,24(6):12-13.[15],.[J].,2006,32(7):91-95.[16],,,.[J].,2006,7(8):40-43.[17],.[J].,2000,21(3):110-112.[18]LiShehong,ZhengBaoshan,ZhuJianming,etal.Thedistribu-tionandnaturaldegradationofcyanideingoldminetailingsandpollutedsoilinaridandsemiaridareas[J].EnvironmentGeology,2005,47(8):1150-1154.[19]Akcil1A,MudderT.Microbialdestructionofcyanidewastesingoldmining:processreview[J].BiotechnologyLetters,2003,25(6):445-450.[20]DubeySK,HolmesDS.Biologicalcyanidedestructionmediatedbymicroorganisms[J].WorldJournalofMicrobiology&Biotech-nology,1995,11(3):257-265.[21],,,.[J].,2004,12(2):58-62.[22],,,.[J].4——[](1982—),。。:0931-8912528,E-mail::renxj05@126.com。:,:0931-8912113,E-mail:liyf@lzu.edu.cn。[]2009-04-13()ElectronicwatertreatmenttechnologyXuHao,YanWei,TangChengli(DepartmentofEnvironmentalScienceandEngineering,Xi’anJiaotongUniversity,Xi’an710049,China),,(,710049)[]。、,。[];;[]X703.1[]A[]1005-829X(2009)08-0005-05Abstract:Electronicwatertreatment(EWT)technologyisanovelwatertreatmenttechnology.ThemechanismsoftheEWTtechnologyinscaleinhibition,bacteriaandalgakillingandanti-corrosionandtheirtechnicalpointsarediscussed.ThedevelopmenttrendsofEWTareforecast.Keywords:electronicwatertreatment;corrosionandscaleinhibition;bacteriaandalgakilling(EWT)2070,,2090〔1〕。、,、,。,,。11。,,。:,;,,、、29820098IndustrialWaterTreatmentVol.29No.8Aug.,2009!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!![](NCET-07-0683),2004,24():108-110.[23]OudjehaniK,ZaguryGJ,DeschenesL.Naturalattenuationpotentialofcyanideviamicrobialactivityinminetailings[J].AppliedMicrobiologyandBiotechnology,2002,58(3):409-415.[24]AdjeiMD,OhtaY.Isolationandcharacterizationofacyanide-utilizingBurkholderiacepaciastrain[J].WorldJournalofMicro-biology&Biotechnology,1999,15(6):699-704.[25],,,.[J].:,1999,22(3):278-282.[26].[J].,2002,28(5):8-10.[27]GijzenHJ,BernalE,FerrerH.Cyanidetoxicityandcyanidede
本文标题:工业含氰废水处理研究进展任小军
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