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146Total146:2017-04-27:(1983-),,,,,、、。E-mail:qin_mj0501@126.com,(335424):,,,,。,Fe2+44mg/L200mg/L,0.07mg/L0.02mg/L,54.6,。:Fe2+;;;;:X756:B:1009-3842(2017)04-0082-03WastewaterArsenicRemovalProcessOptimizationinGuixiSmelterQINMei-jing,FUSheng-jiang(GuixiSmelterofJiangxiCopperCorporation,Guixi335424,Jiangxi,China)Abstract:Inthispaper,takingGuixismelterwastewatertreatmentprocessasanexample,studiedontheinfluenceofironionexternaldrainageindex,andcombinedwiththeactualproduction;theironsulfidewasdissolvedbyfiltrate,improvedthewasteacidconcentrationofironion.Afterimplementedoperation,theFe2+containedingypsumfiltratewasraisedfrom44mg/Lto200mg/L,andthearseniccontainedindrainagewastewaterremovalratiowasreducedfrom0.07mg/Lto0.02mg/L.Theannualproductioncostwassavedby546,000RMB,andgoodresultswereachieved.Keywords:Fe2+;arsenicremoval;scrapiron;sulfidefiltrate;externaldrainageTotal146No.42017COPPERENGINEERING146201741,。,2013—,6800m3/d,,。,,。2,,60%SO2[1],AS2O3。,AS2O3,3~10g/L[2],、。→→→。1200m3;400m3。,As、F、Cd、Cu、H2SO4,1。8220174,,,,Na2S,H2S、As2S3、CuS[3]。,,CaCO3,,,pH3.5,F-CaF2。,,pH,。,。,:(1),“”———;(2)、“”,;(3)“”,[4]。,,,[5]。。33.1,,pH,,。pH,Fe3+,[Fe(H2O)5OH]2+、[Fe(H2O)4(OH)2]+,,As。2016,2016,Fe,,40mg/L,,。3.2。,,,,450,50;,,。4,、,,,,FeAsO3FeAsO4,;,Fe(OH)3,FeAsO3、FeAsO4[6]。:(1)、,,,,,;(2)120161-12mg/LCuAsCdBiFeFH2SO4pH13532511034267797599428/19232701074591201008101908/12936197513277151371920/5414824////168786.90122012-2016Fe、Asmg/L201220132014201520161-10Fe13488718344As2354454046,:283146Total146,,。5,44mg/L200mg/L,10mg/L1~2mg/L,0.05mg/L,0.02mg/L;,,。6,,2500A1800A,,4/;,2200A,。20,12,2t,6000,,、3000,:(20-12)×2×(6000-3000)=48000;:4.8×12=57.6,,15,18,54.6。7,,[7]。,,,,,,,,,,,,。:[1],,,.[J].,2014,5(5):13-17.[2],,.[J].(),2015,5(25).[3],.[Z].:,2002:100-117.[4],.[J].,2014(2):56-58.[5],,.[J].,2014(23):213-214.[6].[J].,2009,28(1):12-17.[7],.[J].,2014(2):42-45.3/(mg/L)/(mg/L)/%1#11.281.3887.772#10.901.5585.783#11.191.8483.5511.121.5985.704/(mg/L)/(mg/L)/%As0.070.0271.42Cu0.070.0442.8584
本文标题:贵溪冶炼厂废水除砷工艺优化秦美静
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