ASimpleandQuickEvaluationMethodforSeawaterDesalination QianHong-liang WuFa-wenZhouZhenZhangZhi-bing DepartmentofChemicalEngineering,NanjingUniversity,Nanjing,Jiangsu,210008 Abstract:TherelationbetweentheelectromotiveforceofNaClinseawaterandtheconcentrationhasbeen ,theactivitycoefficientsofNaClinNaClsolutionandinseawaterhave ordingtoPitzerequation, ordingtoNemstequation. △E=×1g[c(Na+)swc(Cl-)sw(γsw±Nacl)2/c(Na+)c(cl-)(γ±NaCl)2] ThecalculatedresultsareingoodagreementwiththeexperimentonesinthesystemofNaCl-KCl- last,accordingtotheequationEsw=△E+E,therelationbetweenEswandtheconcentrationofchlorineion hasbeenobtained. Keywords:Seawaterdesalination;Sodiumglassionelectrode;Chlorineionselectiveelectrode;Nernst equation 一种海水淡化效果简单快速的评价方法钱红亮武法文周政张志炳南京大学化工系,江苏南京210008 摘要:本文根据Nernst方程推导出海水中NaCl的电动势与浓度之间的关系,建立了一种海水淡化效果的简单快速评价方法。首先根据Pizter方程分别计算得出25℃时NaCl溶液中NaCl的
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