电镀废水农业灌溉区重金属污染特征林文杰

1、，，（，521041）：，、。：Pb、Zn、Cd、Cu、Cr、Cr、Ni0.94、1.76、0.03、1.78、0.36、0.27、0.21mg/L，。，，Cd，，；Pb、Cd、Ni11.2~16.7、0~3.6、11.2~16.7。：；；：X5：A：1004-874X（2009）11-0144-03CharacteristicsofheavymetalcontaminationinagriculturalirrigationareawithstainlesssteelelectroplatingwaterLINWen-jie，LIGuang-wei，LINZhi-feng(DepartmentofChemistry，HanshanNormalUniversity，Chaozhou521041，China)Abstract：Distributioncharacteristicsofheavymetalspollutionofelectroplatingwastewater,agriculturalsoilandcropswereinvestigatedinCaitangtown,Ch。

2、aoZhoucity,Guangdongprovince.TheresultsshouedthatPb,Zn,Cd,Cu,Cr,Niconcentrationsinsurfacewaterwere0.94,1.76,0.03,1.78,0.36,0.27mg/Land0.21mg/L,respectively,whichwereallmorethanIIIclassofsurfacewaterenvironmentalqualitystandard.Thecontentsofheavymetalsincreasedwithlongperiodsofirrigationbysurfacewater,whiletheconcentrationsofheavymetalsexceptCdwerelowerthanIIclassofsoilenvironmentalqualitystandard.Pb,CdandNiconcentrationswere11.2~16.7,0~3.6and11.2~16.7timesmorethanfoodhygienestandards,respectivel。

3、y.Keywords：electroplatingwater；heavymetalspollution；irrigation：2009-06-16：；：（1972-），，，E-mail:[e-mail]、[1-2]，Cr、Cd、Ni、ZnCu。，，，。，，。，，，，。，。，，，。11.1，，5。，，3。，5。，，。，、、、，8，8。，5。1.2100mL，HNO35mL，，10mL，5mLHNO32mLHClO4，，1mL，。200911144DOI:10.16768/j.issn.1004-874x.2009.11.002，，，70℃，HClO4-HNO3（1∶4，V/V），。，，147μm，HClO4-HNO3-HCl。，TessierSims[3-4]，，：（1）：1g，1mol/LMg(NO3)2（pH7）8mL，25℃1h，。（2）：1mol/LNaOAC（pH5）8mL，25℃5h，。（3）：0.04mol/LNH2OH-HCl（25%HAc）20mL，96℃6h，。（4）：0.02mol/LHNO33mL30%H2O2（HNO3pH2）5mL，85℃3h，，3。

4、0%H2O23mL，HNO3pH2，。，5mL3.2mol/L（20%HNO3），20mL，30min。（5）：HCl-HNO3-HClO4。1.3、，Pd、Zn、Ed、Cn、Cr、Ni6。pH。22.1pH1。1，pH0.93，，，pH6.535.34；（GB3838-2002）；Pb、Zn、Cd、Cu、Cr、Ni92、43、37、231、477、518；，，Pb、Zn、Cd、Cu、Cr92、9、29、13、847。pH0.93±0.165.34±0.566.53±0.27Ni10.37±1.250.21±0.090.02±0.01Cr42.4±3.50.27±0.070.06±0.010.05Cr57.30±7.90.36±0.090.12±0.03Cu14.45±3.841.78±0.600.06±0.011.00Cd0.150±0.0050.030±0.010.004±0.0010.005Zn9.68±0.751.76±0.750.22±0.041.0Pb4.67±0.810.94±0.470.05±0.0060.05（）1（mg/L）pH2.22。2，；，，，Cd，[6]。3。

5、002500.320010050140±10.6120±4.85152±11.4144±5.491.45±0.360.55±0.1088.3±17.468.2±4.9278.5±13.468.5±4.3941.2±4.4827.2±0.74150±9.85112±6.21150±8.88122±3.261.69±0.050.52±0.1193.3±12.167.9±13.588.6±10.873.0±12.139.5±3.6429.2±3.3163.7±9.4763.1±6.2443.5±6.5640.2±1.450.24±0.020.10±0.0252.4±13.746.0±10.635.1±5.0733.2±4.606.54±0.586.65±0.9522.8±1.1120.2±3.3426.1±2.7426.5±2.100.25±0.020.07±0.0325.1±3.3220.2±4.7132.9±5.2927.5±5.616.69±1.865.66±1.7128.2±5.1514.9±4.2037.5±0.8337.6±0.650.35±0.020.11±0.014.83±0。

6、.813.85±1.4212.8±2.198.67±2.668.07±2.488.46±0.8324.8±0.8510.4±0.9023.2±0.2213.1±1.420.43±0.020.11±0.045.12±0.61.73±0.33.58±0.401.83±0.929..8±0.364.72±0.7811.1±2.193.94±1.3719.42±1.135.08±0.330.41±0.060.13±0.055.85±0.81.12±0.43.29±0.651.87±0.518.44±0.563.72±0.70PbZnCdCrCuNi2（mg/L）145Ni0.960.630.980.710.30Cr0.300.180.170.250.30Cu0.580.420.360.6310.00Cd0.920.170.680.550.20Zn11.97.887.537.6720.00Pb3.654.705.015.310.303（mg/L）2，Pb、、1，；Zn、Cr、、Cu、Ni，；Cd2。，，：。2.33，Pb3.65~5.31mg/L，11.2~16.7；Zn7.53~11.9mg/。

7、L，Zn；，Cd，Cd，3.6；CuCr；Ni0.63~0.98mg/L，1.1~2.3。3，，，Pb、Zn、Cd、Cu、Cr、Ni。，，，；pH0.93，，。，，Cd，，，，，。[7-8]。Harrison[9]。，，[10-11]。，，，，，。，Cd，，Cd、Pb、Ni。，，，，，，[12]。：[1]PanayotovaT,Dimova-TodorovaM,DobrevskyI.Purificationandreuseofheavymetalscontainingwastewatersfromelectroplatingplants[J].Desalination,2007,206:135-140.[2]ChangIS,KimBH.EffectofsulfatereductionactivityonbiologicaltreatmentofhexavalentchromiumCr6+contaminatedelectroplatingwastewaterundersulfate-richcondition[J].Chemosphere,2007,68(2):218-226.[3]S。

8、imsJT，KlineJS.Chemicalfractionationandplantuptakeofheavymetalsinsoilsamendedwithco-compostedsewagesludge[J].JEnvironQual，1991，20:387-396.[4]TessierA,CampbellPGC,BissonM.Sequentialextractionprocedureforthespeciationofparticulatetracemetals[J].AnalyticalChimicaActa,1979,51(7):844-851.[5]GB/3838-2002，[S].[6]GB/15618-1995，[S].[7]AbdEl-AzimH,El-MoselhyKhM.DeterminationandpartitioningofmetalsinsedimentsalongtheSuezCanalbysequentialextraction[J].JMarineSyst,2005,56:363-374.[8]AdamoP,ArienzoM,ImperatoM,。

9、etal.Distributionandpartitionofheavymetalsinsurfaceandsub-surfacesedimentsofNaplescityport[J].Chemosphere,2005,61:800-809.[9]HarrisonRM,LaxenDPH,WilsonSJ.Chemicalassociationsoflead,cadmium,copper,andzincindustsandroadsidesoils[J].EnvironSciTechnol,1981,15:129-158.[10]MannoE,VarricaD,DongarraG.MetaldistributioninroaddustsamplescollectedinanurbanareaclosetoapetrochemicalplantatGela,Sicily[J].AtmosEnviron,2006,40:5929-5941.[11]，，，.Zn、Cd[J].，2006，27（4）：770-774.[12],,,.-[J].,2007,35(2):111-116.146。