还原中和蒸发浓缩工艺处理沉钒废水的工程应用朱寿川

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Engineeringapplicationofdeoxidation-neutralization+evaporationconcentrationprocesstothetreatmentofwastewaterwithsedimentatedvanadiumZhuShouchuan(PanhongVanadiumProductsFactory,PanzhihuaNewSteel-VanadiumCo.,Ltd.,Panzhihua617023,China)—+(,617023)[]“—+”,,、、,pH8~9、SS30~50mg/L、COD80~100mg/L、NH4+500~1500mg/L、Cr6+0.01~0.05mg/L、Na+100~1000mg/L,,,。,。[];-;;;[]X703.1[]B[]1005-829X(2009)09-0084-04Abstract:Theengineeringapplicationoftheprocessmainlyconsistingofdeoxidation-neutralization+evaporationconcentrationtothetreatmentofwastewaterwithsedimentatedvanadiumisintroduced.Itisindicatedbythepracticaloperationthattheprocesshasmanyadvantages,suchashighautomation,stablerunning,andgoodtreatingefficiency.Thetreatedwastewater(pH8-9,SS30-50mg/L,COD80-100mg/L,NH4+500-1500mg/L,Cr6+0.01-0.05mg/L,Na+100-1000mg/L)canmeetthewaterqualityrequirementforworkshoprecycleandrealizeszerodischargeofwastewater,sinceitcanbereusedcompletelyandcirculatedinworkshop.Theprocesshasthoroughlysolvedtheexcessivedischargeproblemofsendingoutsedimentatedvanadiumwastewater,andgainedremarkableeconomicalandenvironmentalbenefitsforthecompany.Keywords:wastewaterwithsedimentatedvanadium;deoxidation-neutralization;evaporationconcentration;recycle;zerodischarge29920099IndustrialWaterTreatmentVol.29No.9Sep.,2009——,、、。1989,—,、、pH,COD。,,、、10,《》,、,。、,,。2005—+,,。,—+。184——2009-09,29(9)、。600m3/d,700m3/d,1。1pHSS/(mg·L-1)COD/(mg·L-1)V5+/(mg·L-1)Cr6+/(mg·L-1)Na2SO4/(mg·L-1)(NH4)2SO4/(mg·L-1)1.8~2.5400~500120~150100~120100~25042000~570008000~1200022.1、—,、、pH,COD,()。,1。,2005、,,GBS(Na2S2O5)。28m3/h,35m3/h。,2。2,、(、)3。2.1.1GBS2—+,,(),。:,GBS,GBS10%~20%,pH3~6。,,GBS,,。,,,Cr2(V4O9)3Cr(OH)3,,pH7~9。,,,,,。2.1.2,,,。,,。,,、、。:()、()、()、、。3。2.1.3、,20%,。,Na2SO470%,1—:—+85——2009-09,29(9)。2.2(1),,。、,。(2),,,〔1〕。(3),,,。2.3、、、、、、、、。,—+2。3,20067,:(1)—,GBS—,:Cr6+99.9%,V5+98%;,16.2kg/m3,1/4;GBS、、,(,);GBS20%,,。(2),Na2SO470%,。(3)H+、NH4+、SO42-、Cl-、304。,:316L;、;PPO。(4)GBS—+,,。;pH3~5(3~5kg/m3),,APV,32//m316.5m×4.5m×2.5m3501D=1.2m,H=1.5m1.32D=2.6m,H=2.5m122D=9m,H=3m1603D=4m,H=5m5014.06m×3.016m×2.444m1F=600m21316LD=1.6m,H=13.06m,F=1100m21316LD=1.8m,H=13.808m,F=1000m21316LD=1.8m,H=13.808m,F=1000m21316LD=2.4m,H=9.583m421PPOD=2.4m,H=9.583m331PPOD=2.4m,H=7.148m281PPOD=2.6m,H=7.538m341PPOD=1m,H=2.326m1.683D=2m,H=6.82m20112m×6m×3.5m216186——2009-09,29(9)2.80.45μm,100mL6mol/L0.5mL,,1。3:,Fe3+S2O32-,,;,、、、,。[][1].[M].:,1997:414-416.[2].[M].2.:,1986:34.[3]RuzickaJ,HansenEH.Flowinjectionanalyses.Part.Anewconceptoffastcontinuousflowanalysis[J].Anal.Chim.Acta,1975,78:145-157.[4].[M].:,1999:47.(76)。3。(5),37.5t,,29t,4。4(1)—+、、、。(2)—+,,,。(3)GBS—+,20%,,Na2SO470%,,“”。[][1].-[J].,2006(10):35-37.[](1982—),2006(),。:15983597660,E-mail:010-62390947@163.com。[]2009-05-05()3pHSS/(mg·L-1)COD/(mg·L-1)NH4+/(mg·L-1)Cr6+/(mg·L-1)Na+/(mg·L-1)8~930~5080~100500~15000.01~0.05100~10006~970150—0.5130004SSCODNH3-NTVCr6+TCr2005/(mg·L-1)60.5213.56327.51.850.30.612005/(t·a-1)22.780.12372.80.70.110.23/(t·a-1)000000000000000000000000000000000000000000000000000:—+1(n=5)/(mg·L-1)/%/(mg·L-1)/%10.271.10.1098.320.391.40.1097.1[](1967—),2003,,,。:0516-83889077,E-mail:sulingxuzhou@163.com。[]2009-05-05()000000000000000000000000000000000000000000000,。,,;,。。———,,,.CN101269893··87——

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