_不同大孔吸附树脂处理天然橡胶加工废水的研究

不同大孔吸附树脂处理天然橡胶加工废水的研究①汪航1,3)②董铁山2,3)陈默2,3)王建龙2)黄茂芳3)桂红星3)③(1华中农业大学资源与环境学院湖北武汉430070；2中北大学化工与环境学院山西太原030051；3中国热带农业科学院农产品加工研究所广东湛江524001)摘要研究5种大孔吸附树脂(ADS-7、ADS-17、超高交联树脂、聚酰胺树脂和酚醛型交换树脂)对天然橡胶鲜胶乳凝固废水和浓缩胶乳离心废水的处理效果。橡胶废水经过预处理后使用树脂柱吸附，检测经不同树脂吸附后废水COD、总氮及总磷的变化。结果表明：经树脂吸附后，天然橡胶加工废水各项指标都有所降低，其中用ADS-17树脂的处理效果最好，可将鲜胶乳凝固废水的COD、总氮、总磷分别从30.0g/L、7.3和3.3mg/L降低到15.0g/L、6.0和1.1mg/L；将浓缩胶乳离心废水的COD、总氮、总磷分别从22.5g/L、14.8和4.2mg/L降低到11.2g/L、8.4和0.6mg/L。橡胶废水经预处理后使用ADS-17树脂吸附，可在回收高价值产物的同时，更明显的降低橡胶废水的各项指标。关键词树脂；天然橡胶；加工废水；静态吸附分类号X783.3TreatmentofWastewaterfromNaturalRubberProcessingbyDifferentMacroporousResinsWANGHang1,3)DONGTieshan2,3)CHENMo2,3)WANGJianlong2)HUANGMaofang3)GUIHongxing3)(1CollegeofResourcesandEnvironment,HuazhongAgricultureUniversity,Wuhan,Hubei430070；2SchoolofChemicalEngineeringandEnvironment,NorthUniversityofChina,Taiyuan,Shanxi030051;3AgriculturalProductProcessingResearchInstitute,CATAS,Zhanjiang,Guangdong524001)AbstractStudytheeffectof5kindsofmacroporousresins(ADS-7,ADS-17,HypercrosslinkedResins,PolyamideresinsandPhenol-formaldehyderesins)todealwithfreshlatexcoagulationeffluentandtherevertexcentrifugalwastewater.Afterpretreatment,useresincolumntoadsorbrubberwastewater.Comparingundertheuseofdifferentresins,thechangesofwastewaterCOD,totalnitrogenandtotalphosphorus.Theresultsshowthataftertheadsorptionofresins,indicatorsofnaturalrubberwastewaterhasbeenreduced.ADS-17isthebestamongtheseresins.UseADS-17canreduceCOD,totalnitrogen,totalphosphorusoffreshlatexcoagulationeffluent,from30.0to15.0g/L,7.3to6.0mg/L,3.3to1.1mg/Lrespectively;AndcanalsoreduceCOD,totalnitrogen,totalphosphorusoftherevertexcentrifugalwastewater,from22.5to11.2g/L,14.8to8.4mg/L,4.2to0.6mg/Lrespectively.UsingADS-17toadsorbrubberwastewaterwhichhasbeenpretreated,canrecyclehigh-valueproductsandalsosignificantlyreducetheindexesofrubberwastewater.Keywordsresin;naturalrubber;wastewaterfromprocessing;staticadsorption①基金项目：海南省重点科技计划项目(No.SQ2013ZDXM0079)；中国热带农业科学院橡胶研究所基本科研业务费专项(No.1630022013007)。收稿日期：2013-12-02；责任编辑/凌青根；编辑部E-m