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当前位置:首页 > 商业/管理/HR > 企业文化 > 高盐工业废水中重金属的分析与去除魏华春
1,2,1,2,3,1,2,1,2,1,2,1,2(1.,300130;2.,300130;3.,362000)[]。,,。,、,、、。[];;[]X703.1;O661[]A[]1005-829X(2018)11-0031-04AnalysisandremovalofheavymetalsinhighsalinityindustrialwastewaterWeiHuachun1,2,YuanJunsheng1,2,3,JiZhiyong1,2,LiFei1,2,WangJun1,2,LiuJie1,2(1.SchoolofChemicalEngineeringandTechnology,HebeiUniversityofTechnology,Tianjin300130,China;2.ModernMarineChemicalCollaborativeInnovationCenterofHebeiProvince,Tianjin300130,China;3.QuanzhouNormalUniversity,Quanzhou362000,China)Abstract:Agreatdealofhigh-salinityindustrialwastewaterisalwayscomeintobeingduringtheproductionprocessincoalchemicalindustryenterprises.Variouskindsoftypicalindustrialwastewatersampleshavebeencollectedandanalyzed.Asaresult,thewidespreadheavymetalsandtheirgenericcontentswerefound.Then,experimentalresear-chontheseheavymetalshavebeenimplementedbyaddingthemtosimulatedwastewater,andoptimizingthecondi-tionsfortheheavymetalsremovingtechnology.Theproblemsexistedinpresenttechnologies,suchashighconsump-tionofprecipitants,lowremovingrateofheavymetals,etc.willhopefullybesolved,providingreferenceforachievingthewater,gas,andsaltresourceutilizationofhigh-salinitywastewater.Keywords:high-salinitywastewater;heavymetals;precipitation/,〔1〕、〔2〕、〔3〕、〔4〕、〔5〕、〔6〕。,,〔7〕。,。,〔8〕;,〔9〕。,,,。1ED、、、DMO、、、10,。,Pb、Cd、Mn、Zn、Cu5;ED,Pb2+、Cd2+;Pb2+;Mn2+;Zn2+。[](2016YFB0600504)3811201811IndustrialWaterTreatmentVol.38No.11Nov.,20183122.1:、,AR,;、、,AR,;、,AR,;,GR,;、、、,GR,;、,AR,();(PAM)、(PAC),AR,。∶101-A,;pHS-25pH,;TAS-990,;EMS-18C,。2.2,Pb2+、Cd2+、Mn2+、Zn2+、Cu2+5(10)(1),Pb2+4.71mg/L、Cu2+0.96mg/L、Cd2+2.45mg/L、Mn2+4.01mg/L、Zn2+8.93mg/L,,NaF0.18g/L、NaHCO30.67g/L、NaNO32.08g/L、NaNO20.02g/L、NH4Cl0.04g/L、FeCl30.05g/L、CaCl21.11g/L、KCl1.08g/L、MgCl23.41g/L、NaCl9.26g/L、Na2SO30.02g/L、Na2SO4101.47g/L。2.32.3.1CaONaOHCaONaOHpH,CaOpH=9,NaOHpH=10,,。3,3。,。2.3.2Na2S5,200mL,,M2+(Pb2+、Cd2+、Mn2+、Zn2+、Cu2+)Na2Sn(M2+)∶n(Na2S)1∶1、1∶1.5、1∶2、1∶2.5、1∶3Na2S,,1h,,。5,2mol/LHClpH2、3、4、5、6,n(M2+)∶n(Na2S)=1∶1Na2S,,;pH=2,pH3~5,;pH=6;1h,,。2.3.3Na2SNaOHNa2SNaOH,n(M2+)∶n(Na2S)=1∶1Na2S,1h,6200mL,NaOH,1h,。NaOHNa2S,2L,4mL2mol/LNaOH1h,,6200mL,n(M2+)∶n(Na2S)1∶0.5、1∶1、1∶1.5、1∶2、1∶2.5、1∶3Na2S,1h,,。2.4(Sut-1、Sut-2、Sut-3、Sut-4、Sut-5),,200mL250mL,,0.05%PACPAM,,,。、、pH、、、,65,。11,A、B、C、D、E、F、、pH、、、。12,Pb2+13.51mg/L、Cd2+3.26mg/L、Cu2+13.05mg/L、Mn2+7.41mg/L、Zn2+10.63mg/L(1)。1,,2。(1)、(2)。Ki=Xin(1)R=Kmax-Kmin(2):Ki———Xi;n———Xi;Xi———Xi;R———X,。XiAB/(mg·L-1)CD/minE/minF/(mg·L-1)1Sut-10551002Sut-25610150.53Sut-3107152014Sut-415820251.55Sut-5209253022018-11,38(11)Xi3233.1NaOHCaONaOHCaO,2。2NaOHCaOpH2,CaONaOH,,Cu2+80%,。3.2Na2SNa2S,Na2S1。Na2S,pH2。1Na2S21,Na2SMn2+,70%,Cd2+Zn2+n(M2+)∶n(Na2S)1∶180%,MnS,Mn2+,30%。2,pH5,pH,,Mn2+。pH=6,,pH6,S2-,H+H2S,,Na2S。3.3Na2SNaOHNa2SNaOH,3。3Na2SNaOH3,Na2SNaOH,。n(M2+)∶n(Na2S)=1∶1Na2SNaOH0.2mL,Mn2+,470%,0.4mL,Pb2+、Cd2+、Zn2+,Cu2+、Mn2+NaOH,2.2mL,90%。NaOHNa2S,4。4NaOHNa2SPb2+/%Cu2+/%Cd2+/%Mn2+/%Zn2+/%CaOpH=980.0972.1981.9697.1396.43NaOHpH=1079.5672.1279.3597.0196.432018-11,38(11),:33NaOH1h,Na2S,85%,,Na2Sn(M2+)∶n(Na2S)=1∶0.51∶1,5,Na2S,,88%。Na2SNaOH。3.43。3R::pH;:pH=9,15mg/LSut-5,10min,1mg/LPAC1mg/LPAM,10min,99.22%,4。43.55。5pH=9,30mg/LSut-5,10min,1mg/LPAC1mg/LPAM,10min,97%,99.58%。4,Pb、Cd、Mn、Zn、Cu5,。(1),Na2SNaOH,,,,90%。(2),:pH,,,99%。[1]RavizkyA,NadavN.SaltproductionbytheevaporationofSWRObrineinEilat:asuccessstory[J].Desalination,2007,205(1/2/3):374-379.[2]HongJH.Distillationorevaporationmethodandequipmentforsaltwaterorsortoffluidbyreheatedsteamatmultipleeffectevaporationsystemwithchamberofhorizontalplatetypeheatexchanger:US,20080017326[P].2008-01-24.[3],,.[J].,2014(11):23-27.[4]ReigM,CasasS,AladjemC,etal.ConcentrationofNaClfromsea-waterreverseosmosisbrinesforthechlor-alkaliindustrybyelectro-dialysis[J].Desalination,2014,342:107-117.[5]CorsinoSF,CapodiciM,TorregrossaM,etal.PhysicalpropertiesandExtracellularPolymericSubstancespatternofaerobicgranularsludgetreatinghypersalinewastewater[J].BioresourceTechnology,2017,229:152-159.[6],,,.[J].,2015,41(11):16-21.[7],,,.[J].,2016,22(6):95-100.[8]MandalT,DasguptaD,DattaS.AbiotechnologicalthriveonCODandchromiumremovalfromleatherindustrialwastewaterbytheiso-latedmicroorganisms[J].Desalination&WaterTreatment,2010,13(1/2/3):382-392.[9],,,.--[J].,2016,10(7):3634-3640.———————————[](1978—),,。:13821223568,E-mail:hcweitj@126.com。:,,。:022-60204598,E-mail:jsyuan2012@126.com。[]2018-09-22()/(mg·L-1)/(mg·L-1)/%Pb2+4.710.142996.96Cd2+2.450.035498.55Cu2+0.960.039795.87Mn2+4.010.001099.97Zn2+8.930.019299.78ABCDEFK144.0042.247.9043.1548.5936.93K243.2840.2214.9448.7938.2144.58K339.9842.1635.5241.4442.8355.36K444.1251.6463.7741.5644.6941.83K546.1941.3295.4542.6443.2549.00R6.2211.4287.557.3610.3818.43/(mg·L-1)/(mg·L-1)/%Pb2+13.510.125099.08Cd2+3.260.085297.39Cu2+13.050.051599.61Mn2+7.410.001299.99Zn2+10.630.016499.852018-11,38(11)34
本文标题:高盐工业废水中重金属的分析与去除魏华春
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