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1、第24卷第6期环 境 科 学Vol.24,No.62003年11月Nov.,2003ENVIRONMENTALSCIENCE树脂吸附法处理磺胺脒生产废水的工艺1,234许月卿,彭应登,赵仁兴(1.北京大学环境学院资源环境地理系,北京 100871,E2mail:xmoonq@sina.com;21中国科学院地理科学与资源研究所,北京 100101;3.北京市环境保护科学研究院,北京 100037;4.河北科技大学环境科学与工程学院,石家庄 050018)摘要:针对磺胺脒生产废水的特点,本研究确定了采用树脂吸附法回收磺胺、进一步回收硝酸钠的工艺流程,探讨了树脂对磺胺吸附2解吸的最佳
2、工艺条件.结果表明:DRHⅢ型大孔吸附树脂对磺胺具有良好的吸附2解吸效果,能将有机物和无机物很好地分离.经树脂吸附处理后,废水中COD去除率86%,硝酸钠回收率95%,磺胺回收率86%,其纯度达9918%.在废水有效处理的同时实现了废物资源化,具有良好的环境效益和较高的经济效益.关键词:树脂吸附;磺胺脒生产废水;吸附;解吸中图分类号:X703文献标识码:A文章编号:025023301(2003)0620520139TreatmentofSulfanilamideProductionWastewaterbyResinAdsorptionTechnique1,234XuYueqing,Pe
3、ngYingdeng,ZhaoRenxing(1.DepartmentofResources,EnvironmentandGeography,CollegeofEnvironmentalSciences,PekingUniversity,Beijing100871,ChinaE2mail:xmoonq@sina.com;2.InstituteofGeographicSciencesandNaturalResourcesResearch,ChineseAcademyofSciences,Beijing100101,China;3.BeijingMunicipalResearchAcade
4、myofEnvironmentalProtection,Beijing100037,China;4.CollegeofEnvironmen2talScienceandTechnology,HebeiUniversityofScienceandTechnology,Shijiazhuang050018,China)Abstract:Accordingtothecharacterofsulfanilamideproductionwastewater,inthispaper,therecoveryprocessofsul2fanilamide,sodiumnitrateinwastewate
5、rresultingfrommanufacturingsulfanilamidewasdevelopedbyusingmacroporousresin.Theconditionsoftheresinadsorptionanddesorptioncapacitywereinvestigatedandtheoptimalparametersweredetermined.Theresultsofexperimentindicatedthatthistechniquewassuitableforremovalofsulfanilamidefromwastewater.About86%CODre
6、movalwasobtainedundertheoptimizedadsorptionconditions,about86%sulfanil2amideand95%sodiumnitratewererecoveredfromwastewaterforpossiblerecyclingtothemanufacturingprocessandtherecoveredsulfanilamidepspurityreached9918%.Theadsorptioncapacityofresinremainedconstantduringtherepe2titionprocessofadsorpt
7、ionanddesorption.Thistechniquenotonlyeliminatestheenvironmentalpollutionbutalsoob2taindistincteconomicbenefit.Keywords:resinadsorption;sulfanilamidewastewater;adsorption;desorption 大孔树脂吸附法是成功应用于有机工业废1 磺胺脒生产反应过程及废水特征水治理的资源化技