复合工艺处理电镀综合废水童祯恭

32、。。。、、、。1。-Cu2+、Cr6+、Zn2+、CN-、《》GB8978-1996。1。Q=400m3/d2。、、、420m3/dQ=450m3/d。22.11Cu2+、Cr6+、Zn2+、CN-CN-、Cr6+、。CN-Cr6+Cu2+、Zn2+。1211.3300132.100044--《》GB8978-1996。、、、。X703A1003-6504(2009)04-0170-03TreatingGalvanizationWastewaterbyCombinedProcessTONGZhen-gong1LIYu-shan2LUXiu-guo11.SchoolofCivilEngineeringEastChinaJiaotongUniversityNanchang330013China2.SchoolofCivilEngineeringBeijingJiaotongUniversityBeijing100044ChinaAbstractGalvanizationwastewaterwastreatedbycombinedprocesswhichincludeschlorinedioxidecoordinationoxidantbrokencyanogensprocessironfilingsinternalelectrolysisandalkalinityprecipitationmethod.ThequalityofthetreatedwastewaterreachedtheClassofIntegratedWastewaterDischargeStandardGB8978-1996.Waterqualityandwaterquantitytreatmentprocessflowprocessmainbuildingsinvestmentandoperationcostweredescribed,whichhascertainguidanceforthesametypeofwastewatertreatment.Keywordsoxidationofchlorinedioxide;internalelectrolysisdegradationofironfilings;alkalinityprecipitation;galvanization[e-mail]。EnvironmentalScience&Technology32420094Vol.32No.4Apr.20091Table1InfluentandeffluentwaterqualityCN-(mg/L)Cr6+(mg/L)Cu6+(mg/L)Zn2+(mg/L)pH10~8030~10030~10030~100≤2≤0.3≤0.5≤0.5≤26~92Table2Wastewaterdischarge100m3/d65m3/d235m3/d450m3/d42.1.1。[1]。。2.1.2[2]。。。COD。。2.1.3、、、pH=9~10CrOH3、ZnOH3、CuOH3。PACPAM[3]。pHpH。。2.1.41。2.2、、。pHORP-。pHORP。pHORP。。2.2.1pH8.5~11.5。。pHpH7.5~8.5。NaCNON2CO2。2.2.2pH。。2.2.3。pHpH8~10。pHpH。。pH。2.2.420%10%PACPAM。33.13.1.1。。17132。6500mm×5800mm×2300mm。3.1.2。3240mm×2120mm×2400mm。3.1.3。2400mm×2400mm×4450mm。3.1.4。、、。准1700mm×4600mm。3.23.2.1、。。准860mm×1500mm。3.2.2。、、、、、DY-500。3.2.3、、、、、、、、。Q=3.0m3/hECF-A-a。4200673。5、、、、、。2.09。6450m3。。《》GB8978-1996。702.09。[][1].[M].2003.JiaJing-pingXieShao-aiChengHong-jing.ComprehensiveApplicationofElectroplatingWastewaterTreatmentTechnique[M].BeijingChemicalIndustryPress2003.inChinese[2]..[J].,200323969-71.LuoDao-chengYiPing-guiLiuJun-feng.Appliedpracticeofcomprehensivetreatmentofelectroplatingwastewater[J].IndustrialWaterTreatment,200323969-71.inChinese[3]..[J].,200422337-39.XieDong-fangZhengJian-taoTianGuo-yuan.Appliedpracticeoftreatmenttechnologyforelectroplatingwastewater[J].EnvironmentalTechnology,200422337-39.inChinese3Table3Theprojectoperationeffect(mg/L)(mg/L)(mg/L)CN-Cr6+Cu6+Zn2+0.280.420.41.5172