电吸附水处理技术及设备

孙晓慰,朱国富(常州爱思特净化设备有限公司,江苏常州213022)[](EST),,,,[];EST;;[]TQ085[]A[]1005-829X(2002)08-0001-03Electro-adsorptiontechnologyandESTequipmentSUNXiao-wei,ZHUGuo-fu(ESTPurificationEquipmentCo.,Ltd.,Changzhou213022,China)Abstract:Theeffectivenessofwaterdemineralizationwithelectro-adsorptiontechnologyhasbeenstudied.Testresultsshowthattheelectro-adsorptiontechnologyandESTsystemscanbeusedforthepurposeofremovingvariousionsfromwater.Theprocesshasverylowenergyconsumptionandisenvironment-friendly.Thepilottestsdemonstratesthatthetechnologyhasabrightfutureintheareaofwaterdesalinationand/ordemineraliza-tion.Keywords:electro-adsorptiontechnology;ESTmodule;adsorptionisopotentialisotherm;electro-adsorptionca-pacity(EST)EST,EST,ESTEST,EST1EST/,/,,/,,/,,,:q=(8RT)1/2(C)1/nsinh(zF2RT)zFk=(8RT)1/2sinh(zF2RT)zF,q=k(C)1/n,q;;C;z;F;;R;T;n,,EST,,,,,,,,EST,12002年8月第22卷第8期IndustrialWaterTreatmentAug.,2002Vol.22No.8,,,,,1:25,1V,,,mad=0.6C0.50,mad,mg/g;C,mg/L图1氯化钠在电极材料上的等电势吸附等温线2EST,EST,,,(2)图2EST模块,21小型EST模块的实验结果500mg/LNaCl,30L/h,2V,EST3493.5%,30L/h,180L图3500mg/LNaCl水溶液的试验曲线92.7%,30L/h,205L图4500mg/LNaCl水溶液的试验曲线(50工作周期后),EST,,,22不同流量下的除盐效果,,,5:250mg/L,1.7V5,,,,,;,,,,,图5不同流量下的除盐实验结果23不同含盐量时的除盐效果,,2专论与综述2002-08,22(8),,,,,,EST6:50L/h,2V图6不同原水含盐量时的除盐实验结果3ESTESTESTEST,0.3MPa,,,EST,,PP,ESTUV,,,2V,EST,,,,,,,7EST,,,,,1000mg/L,EST,30~50S/cm,5~6h,,,,,,,EST,,,5~10,1/2~1/6,,,P-;YV-;EST-图7EST系统流程4(1)EST,,,,50L/h,75%TDS1000mg/L,60WEST/,,EST,,75%,,90%EST,EST,,,(2)EST,,(下转第40页)32002-08,22(8)电吸附水处理技术及设备表4地表水中Hg在不同保存剂中的稳定性统计检验结果ABCDX0.5t5.190.582.590.71X1dX0.5t5.231.232.531.58X7dX0.5t6.520.584.441.76X1X0.5t7.431.615.131.84X6Hg,,3,Y1Y2Y3,5表5废水中Hg在不同保存剂中的稳定性试验结果g/L0.5h1d7d16Y1A59.646.340.836.934.5B61.259.958.557.758.0C59.253.845.541.539.8D60.359.558.155.353.6Y2A65.350.645.640.337.5B64.865.063.562.260.9C66.159.351.648.046.5D65.964.563.362.962.0Y3A71.058.350.246.543.3B71.870.569.267.866.4C69.564.956.151.349.8D70.671.570.266.364.6Hg,(Xi)0.5h(X0.5),656,HgHg,表6废水中Hg在不同保存剂中的稳定性统计检验结果ABCDX0.5X1dt2.240.151.010.07X0.5X7dt4.210.412.500.28X0.5X1t4.950.653.610.80X0.5X6t5.790.964.440.96Hg,Hg,233.1Hg质控标稀释液的选择,Hg5%()HNO3-0.05%()K2Cr2O7,Hg3.2地表水和废水的保存方法,,HNO3K2Cr2O7,50mLHNO30.5gK2Cr2O7,4[][1],.[M].:,2001:315.[2].[M].:,1990:8184.[3].[M].:,1994:264265.[](1959),1983(),:0732-8290650[]2002-01-08(上接第3页)pH,,,EST,15a(3)EST,EST[](1963),1998,,,:0519-5119827[]2002-01-1440分析与监测2002-08,22(8)