第8期 左君等:响应曲面法优化超细氧化亚铜光催化降解对硝基苯酚 .1051. 0.30 a 脱色率% b 83.00 025 7525 67.50 020 利图 59.75 52.00 0.15 特 0.30 >035 ag 0.25 027 0.12 020 027 0.35 020 0.20 01 0.12 /ml ml. 0.100.06 图10H2O2滴加量、氧化亚铜用量的等高线(a)和响应曲面图(b) Fig 10 Contour (a)and response surface pbts (b)forH2O2 vokme and Cue0 amount a 脱色率% 0.30- 83.00- 025 73.25+ 是6350 重 0.20 44.00 015 正 030 .50 025 575 0.10 350 425 5.00 500 5.75650 425 pH 0.103.50 图11H值、氧化亚铜用量的等高线(a)和响应曲面图(b) Fig 11 Contour (a)and response surface plts (b)for pH values and Cu0 amount 好,并具有较好的预测性,利用Design Ex邓ert软件 driven photocatalysis and photocormsion Solid State Sci 2009 得到的最佳工艺条件为过氧化氢滴加量0.28mL 11(1).129 H3.64和氧化亚铜投加量0.11s预测脱色率为 [5]Zhang X J W ang G F.Wu H B.et al Synthesis and photocata- lytic characterization of pomous cupmus oxide octahedmal Mater 85.20%.依照该条件进行实验,真实脱色率为 Lct200862(28):4363 82.63%,相对误差仅为3.029%. [6]RamirezOrtiz J Oguma T.MedinaValtierm J et al A catalytic 致谢本文得益于同施利毅教授的学术讨论, application of Cu and Cuo fims deposited over fberglass Appl Surf Sci200L,174(3/A):177 并得到了上海大学分析测试中心扫描电镜实验室褚 [7]Yang H M.Ouyang J Tang A D.etal Electrochen ical synthesis 于良老师和XRD实验室鲁波老师的大力支持,谨致 and photocatalytic pmoperty of cupmus oxie nanoparticles Mater 谢意, Res Bull200641(7):1310 [8]Chen JY,Zhou P J Li JL et al Studies on the photocatalytic 参考文献 peromance of cupmous oxide/chitosan nanocanposites activated by [1]Baumeister P W.Optical absorption of cuprous oxie Phys Rev visible light Cabohydr Pobm.2008 72(1):128 1961.121359 [9]Tang A D.Xiao Y,Ouyang J etal Preparation photo catalytic [2]Nagasubnmanian G.Gioda A S Bad A J Photoelectmochen ical activity of cupmus oxile nano-crystallites with different sizes JA behavior of P-type Cu in acetonitrile solutions J Eketrochan bys Campd 2008 457:447 Sog1981,128.2158 [10]TenB mok PL Kendall S M.Tjeerema R S Toxicok inetics and [3]Mancier V.Daltin A L,Leclerq D.Synthesis and characteriza- biotransfomation of pitmophenol in white sturgeon Acipenser tion of copper oxide (I)nanoparticles pmduced by pulsed sono tranmontanus).Eooloxicol Envimn Saf 2006.64(3):362 ekctmchan istry Ultrason Sonochan.2008 15(3):157 [11]BhattiZI Toda H.Fumukawa K.pnitrophenol degmadation by [4]Huang L Peng F.Yu H.et al Preparation of cupmous oxides activated shdge attached on nonwovens Water Res 2002 36 visble-light (5):1135第 8期 左 君等: 响应曲面法优化超细氧化亚铜光催化降解对硝基苯酚 图 10 H2O2滴加量、氧化亚铜用量的等高线 (a)和响应曲面图 (b) Fig.10 Contour(a) andresponsesurfaceplots(b) forH2O2volumeandCu2Oamount 图 11 pH值、氧化亚铜用量的等高线 (a)和响应曲面图 (b) Fig.11 Contour(a) andresponsesurfaceplots(b) forpHvaluesandCu2Oamount 好并具有较好的预测性.利用 DesignExpert软件 得到的最佳工艺条件为过氧化氢滴加量 0∙28mL、 pH3∙64和氧化亚铜投加量 0∙11g预测脱色率为 85∙20%.依照该条件进行实验真实脱色率为 82∙63%相对误差仅为 3∙02%. 致谢 本文得益于同施利毅教授的学术讨论 并得到了上海大学分析测试中心扫描电镜实验室褚 于良老师和 XRD实验室鲁波老师的大力支持谨致 谢意. 参 考 文 献 [1] BaumeisterPW.Opticalabsorptionofcuprousoxide.PhysRev 1961121:359 [2] NagasubramanianGGiodaASBardAJ.Photoelectrochemical behaviorofP-typeCu2Oinacetonitrilesolutions.JElectrochem Soc1981128:2158 [3] MancierVDaltinALLeclercqD.Synthesisandcharacteriza- tionofcopperoxide(Ⅰ ) nanoparticlesproducedbypulsedsono- electrochemistry.UltrasonSonochem200815(3):157 [4] HuangLPengFYuHetal.Preparationofcuprousoxides withdifferentsizesandtheirbehaviorsofadsorptionvisible-light drivenphotocatalysisandphotocorrosion.SolidStateSci2009 11(1):129 [5] ZhangXJWangGFWuHBetal.Synthesisandphotocata- lyticcharacterizationofporouscuprousoxideoctahedral.Mater Lett200862(28):4363 [6] Ramírez-OrtizJOguraTMedina-ValtierraJetal.Acatalytic applicationofCu2OandCuOfilmsdepositedoverfiberglass.Appl SurfSci2001174(3/4):177 [7] YangHMOuyangJTangADetal.Electrochemicalsynthesis andphotocatalyticpropertyofcuprousoxidenanoparticles.Mater ResBull200641(7):1310 [8] ChenJYZhouPJLiJLetal.Studiesonthephotocatalytic performanceofcuprousoxide/chitosannanocompositesactivatedby visiblelight.CarbohydrPolym200872(1):128 [9] TangADXiaoYOuyangJetal.Preparationphoto-catalytic activityofcuprousoxidenano-crystalliteswithdifferentsizes.JAl- loysCompd2008457:447 [10] TenBrookPLKendallSMTjeerdemaRS.Toxicokineticsand biotransformationofp-nitrophenolinwhitesturgeon (Acipenser transmontanus).EcotoxicolEnvironSaf200664(3):362 [11] BhattiZITodaHFurukawaK.p-nitrophenoldegradationby activatedsludgeattachedonnonwovens.WaterRes200236 (5):1135 ·1051·