废催化剂中钼和钒的分离

:2003-02-19:(1979-),,,(,100044):,,,:;;;:TQ314.24:A:1006-2602(2004)02-0039-03SEPARATIONOFMOLYBDENUMANGVANADIUMFROMSPENTCATALYSTSSHIYou-fu,WANGHai-bei(BeijingGeneralResearchInstituteofMiningandMetallurgy,Beijing100044,China)Abstract:Duetothenumerousco-propertiesinchemistryofmolybdenumandvanadium,itisrelativelymoredifficulttoproceedwithseparationandpurificationwhilecarryingouttherecoveryofspentdesulfurizationcata2lysts.Thispaperstatestheadvancementconcerningabouttheseparationofmolybdenumandvanadiumfromtherecoveryofwastecatalystsintheworld.Keywords:spentcatalysts;molybdenum;vanadium;separation0:1970,,[1],-,,,,Mo3%12%V0.5%12%Co0%3%As0%0.3%SiO20.5%15%P0%5%SC,,,,,,1,Na2CO3NaOHNaClNa2SO4,,1.1pH=8.09.0,,,NH4Cl(NH4)2SO4NH4NO3CH3COONH4:NH+4+VO-3NH4VO3NaganoriRokukawa[2],pH=8.0,V2.17g/LMo1128g/L,120g/L,11VMo/gL-1/%/gL-1/%NH4Cl0.01699.11.188.2(NH4)2SO40.01497.91.169.5NH4NO30.00398.41.234.1CH3COONH40.01799.01.243.1,28220044CHINAMOLYBDENUMINDUSTRYVol.28No.2April200498%,,Mo,,NH4ClNH4Cl,NH4VO3,NH4VO3,NH4VO3NH4Cl[3]22NH4VO3NH4Cl/NH4ClNH4VO312.520.2610.0850.5500.0180.2960.497352.5400.0264.4700.0068.9800.2102.490600.5511.34020.060,:,pH,Mo,30100mg//kgV1.21.2.1NH4HS,,98%HNO3pH=0.750.9,,:Na2MoO4+2HNO3+H2OH2MoO4H2O+2NaNO31.2.2pH=4.55.0,CaCl2CaMoO4,pH=5.0,CaCl2200g/L,99.7%[2],:Na2MoO4+CaCl2CaMoO4+2NaCl2,;,2.1,PingweiZhang[4]Lix63ExxsolD801Ni2+Fe3+Al3+Co2+,40%Lix63+ExxsolD801,pH=1.40O/A=11T=30,,97.74%,92.09%2.5MH2SO4,O/A=11t=30,90.51%V,10%NH3H2O,,,97.87%TilleyGeorgyL.400900,20%50%H2SO4,,MoVNiCoAl,pH=2.53P204(100g/L)+DBBP(75g/L)+,:2VOSO4+2(HA)2+2H2OVO(OH)2(HA2)2+2H2SO4,(HA)2VO(OH)2(HA2)2P204P204,10%H2SO4Alamine336(75g/L)+DBBP(50g/L)+,4Mol/LNiCo,Al2(SO4)3[5]2.2SebenikRogerF.,H2SO4,H2S,MoS3,,99.8%MoMoS3,99.8%V[6]2.3VealJackThomas,pH=2.5,,,pH=89,,;pH=2.5,,[7]3,0420044,,,,11-;2-;3-;4-;5-;6-;7-;8-;9-;10-;11-;12-TakayukiHoraiIsaoKomasawa[8]pH=7,0.01MNaVO30.01MNa2MoO40.07NaCl,111,MoV,VO-3VO2+,(1),,,,,[1].[J].,2000,12:35-37.[2]NaganoriRokukawa.ResourcesRecyclingTechnology(EarthS93)[M].1993.14-16.[3].()[M].:,19991337.[4]PingweiZhang,Katsutoshi,Inone.Hydrometallurgy[M].1996.45-53.[5]US4721606.[6]US4495157.[7]US6180072.[8]TakayukiHoraiandIsaoKomasawa.Hydrometallurgy[M].1993.73-82.,,,,,,15m,(),MoSi210%70%SiO2,Si3N4SiCMo5Si3,,,()(0125%215%,0.2%5%),,,,,(),,:(),(),:815%(,)4%316%118%018%015%,014%013%0104%0101%,,,,,,20042()14282: