2010,Vol.27No.7 Chemistry&Bioengineering81 :2010-03-02:刘鲁建(1982-),男,山东人,助教,研究方向:水污染治理与生态恢复。E-mail:27384469@qq.com。UV/O31, 2, 1(1.中南民族大学工商学院,湖北武汉430065;2.武汉工程大学环境与城市建设学院,湖北武汉430074) :采用UV/O3工艺对印染废水进行了深度降解实验研究。结果表明,UV/O3对印染废水COD的去除效果明显大于O3及UV单独作用的简单加和,UV和O3之间存在协同效应。在pH值为5、O3流量为13L·h-1、紫外光强度为80W、辐射时间为120min的条件下,UV/O3工艺处理印染废水效果较好,对色度及COD的去除率分别达到97%和90%。:UV/O3;印染废水;深度降解:X703 :A :1672-5425(2010)07-0081-03 、、、、,,。UV/O32070,。[1],。2080,。、[2]。UV/O3,COD、,UV/O3。1 1.1 。、;,,。1。1 Tab.1 QualityofprintinganddyeingwastewaterCOD/mg·L-1/SS/mg·L-1pH300~400300~400≥707~91.2 (1.5%),(235nm,20W),,。1.3 -,pH,,。pH、,UV/O3COD,UV/O3。UV、O3、UV/O3。2 2.1 UV/O32.1.1 pH100mL,160W、O318L·h-1、120min,pHCOD,1。1 pHCODFig.1 EffectofpHvalueonremovalrateofCOD:UV/O3/2010782 1,pHCOD。pH3,,COD94%;pH8,COD70%;pH9,COD。UV/O3,[3],,,,CO2;HCO-3CO2-3,·OH,·OH,;pH9,O3·OH,,COD。,pH5。2.1.2 O3160W、pH5,O3COD,2。2 O3CODFig.2 EffectofO3flowonremovalrateofCOD2,CODO3,O313L·h-1,UV/O3COD90%。·OH,,COD。,O313L·h-1。2.1.3 O313L·h-1、pH5,COD,3。3 CODFig.3 EffectofUVpoweronremovalrateofCOD3,COD,80W,COD92%;80W,COD。,O3[3],,·OH,COD。,80W。2.2 O3、UVUV/O3O313L·h-1、80W、pH5、120min,UV、O3UV/O3COD2。2 UV、O3UV/O3Tab.2 ComparisonofdegradationefficiencyofUV,O3,UV/O3forprintinganddyeingwastewater1 /% 2 /% 3 /% CODUV31628111369332103813547O3316797536984.97738176.280UV/O331628.49136940.68938138.190UV368353438036153913754O336814.7963807.69839119.695UV/O33687.49838011.4973917.898 2,UV、O3、UV/O3COD:UV/O3O3UV。UV120minCOD10%,200~250nm478.2~:UV/O3/2010783 597.7kJ·mol-1,[4],,COD,,,UV。O3,COD76%,O3。UV/O3COD90%,O3UV,UVO3。2,UV、O3UV/O3:UV/O3O3UV。UV/O3O3,120min。O3,96%,O3。UV/O397%,O3。,,O3·OH,,。UV120min4%,UV,。3 (1)UV/O3CODO3UV,UVO3。(2)UV/O3,,pH5、O313L·h-1、80W、120min,,COD97%90%。(3)UV/O3,,。:[1] ,.[M].:,2001:202-235.[2] ,.[J].,2007,20(6):55-57.[3] ,,.[J].,2005,25(12):1630-1635.[4] ,,,.[J].,2005,25(8):1041-1045.StudyonAdvancedDegradationofPrintingandDyeingWastewaterbyUV/O3ProcessLIULu-jian1,MEIMing2,DONGJun1(1.CollegeofEngineeringandCommerce,South-CentralUniversityofNationalities,Wuhan430065,China;2.SchoolofEnvironmentandCivilEngineering,WuhanInstituteofTechnology,Wuhan430074,China)Abstract:AdvanceddegradationofprintinganddyeingwastewaterwasstudiedbyUV/O3process.There-sultsshowedthat,therehadsynergisticactionofUVandO3.UV/O3wasmuchbetterthanasimpleadditiveofsoleO3andUVfordegradationofCODofprintinganddyeingwastewater.ThemainfactorsofUV/O3processfordegradationofprintinganddyeingwastewaterwereinvestigated.TheremovalrateofCODandcolouritycouldreach90%and97%undertheoptimumconditionsofpHvalue5,O3flow13L·h-1,UVpower80W,ir-radiationtime120min.Keywords:UV/O3;printinganddyeingwastewater;advanceddegradation美国奈琪沃克(NatureWorks)公司日前宣布,他们针对注塑半耐用消费品市场,推出了第二代Ingeo生物塑料。这种全新产品正在申请专利。作为全球生物基材料的领先者和倡导者,该公司旗下品牌Ingeo均利用天然材料制造生物塑料及纤维,并应用到日常生活的各个领域。新推出的Ingeo3801X生物塑料以高配比的聚乳酸为基础,再加上特定的添加剂配方,能满足耐高温、抗冲击及加工成型方面的要求,可应用在化妆品、电子产品、玩具、办公用品等方面。()