从锑氧粉中提取锑_砷_铅的可行性工艺方案

樊立峰1,谢刚1,杨大锦2,姜艳1(1.,650093;2.,650031):,,,,:;;;;:TF818:A:1006-0308(2006)04-0033-03TheFeasibleProcessesforExtractionofAntimony,ArsenicandLeadfromAntimonyOxideFANLifeng1,XIEGang1,YANGDajin2,JIANYan(1.KunmingUniversityofScienceandTechnology,Kunming,Yunnan650093,China2.YunnanMetallurgyGroupCompanyLtd.Kunming,Yunnan,650031,China))ABSTRACT:Basedonthemineralphaseanalysisandthenatureofcompounds,afeasibleprojectforrecoverantimony,arsenicAndleadhasbeendesigned.Inthisproject,theantimony,arsenicandleadareleachedintheformofNa2SbS3,Na3AsO4andPbCl2respectively.Thefactorsthatinfluencedtheleachingratearediscussed.KEYWORDS:antimony;arsenic;lead;sodiumcarbonate;leachingrate1,,,,,,,,,,,,,(100001g/L),;,,,,3320068354(199)YUNNANMETALLURGYAug.2006Vol.35.No.4(Sum199):2005-06-29:(1981-),,,,,,,,,23722%,2795%,1079%,PbSb2O51251%,344%;1032%,2795%,1251%;429%,;389%;364%;1435%,;3As2O3,[1],Na2CO3(96%)[2],,,,,,[3]:Na3SbO4+As=Na3AsO4+SbNa3SbO3+As=Na3AsO3+Sb:1)Na2CO3,Na2AsO3,1kgNa2CO3212kg,,[3],:f(A)=bAf(A):A;b2),;,,,850,,,[3],,900~10003),,,,3h,,,3~4h,,4),41,4g/L,15h,80,5),:Na2CO315,900,3h,41,4g/L,15h,80,100,94%4,[4]:,:Sb2O3+6Na2S+3H2O=2Na3SbS3+6NaOH,pH136142,,NaOH,Na2SO4,Na2CO3Na2S2O3NaOHNa2S3,Na3SbS3,NaOHSb2O3:1),,,,2),,,,3420068354(199)YUNNANMETALLURGYAug.2006Vol.35.No.4(Sum199)Na2SNa2S2O3,Na2SO3,Na2S2,,120~140g/L3)Na2S+NaOH,:Sb2O3+3Na2S+3H2O=Sb2S3+6NaOHSb2S3+3Na2S=2Na3SbS3Sb2S31Sb2S3Tab.1RelationshipdissolvingspeedconstantofSb2S3andtemperatureT/K303343358373/k7810-4118310-312810-315410-3,,,4),,,,,,5),,5HClNaCl[5],,,,,,,,,:PbSb2O5+2HCl=PbCl2+H2Sb2O5PbCl2+2NaCl=Na2PbCl4,:51,50g/L,100g/L,3h,80,100,80%6,,90%,80%,:[1],.()[M].:,1994.[2],..()[M].:,2003.[3],.[M].:,1999.[4]:[M].:,1999.[5],,,,.[J].(),2004,(5):9-11.35