FeCu硅藻土吸附处理对苯二甲酸废水研究

Fe(Cu)/X(,312000):(CuFe)/,(TA).TATA().TA,,.,/TA,/5%(),/,,200280,5%Fe/.:/;;;:X781.5:A:1008-293X(2009)07-0039-06,,,,,,1-4.1915,5-8.,,,.,,,,,,,.,(CuFe)/,,/,,/,/.11.1:()()()():752()80-2()HH-S()1.2/().:29720093JOURNALOFSHAOXINGUNIVERSITYVol.29No.7Mar.2009X:2009-01-08:(1983-),,,05.:(1968-),,,,.,2040,8001,,,./.,2,8010,2002.x%Fe(Cu)/,x(FeCu,).1.3-0.02mol/LNaOH,.1.0gx%Fe(Cu)/,250ml,100ml,,,,.,x%/.x%/1,.x%/,.1.4,1.200nm241nm,200nm,241nm.200ppm10ppm,8ppm,6ppm,4ppm2ppm,,241nm,2./,::(1g)(mg),mg/g.04()2922.1/TA3,,(8).,10.,0.041mg/g.5%Cu/5%Fe/,80.2900.258mg/g,6-7.CuFe.,,,,,,,9.,,,.:TA:20ppm,pH:6.0,:202.2pH6.0,20,1.0g5%Cu/TA,(10).5%Cu/4.1471:Fe(Cu)/2.3/Cu/Fe/TA1,,,,,5%8%,,.,,,,,/.,5%.1Cu/Fe/0%2%5%8%10%Fe/,mg/g0.0410.1870.2580.2620.245Cu/,mg/g0.0410.2010.2900.2980.245:TA:20ppm,pH:6.0,:202.4PHTApH5.5pH,pH,pH6.TA,pH6,,pH6.:TA:20ppm,5%Fe/,:202.5/25%Cu/5%Fe/.2,,..Cu/Fe/,,Cu/Fe/.200280,Fe/,Cu/.Cu/Fe/,Fe/,CuFe,,.(ICP),3.3,FeCu,Fe4175%,FeFe/,.Fe,Fe/Fe,.24()2920Cmg/gFe/mg/gCu/mg/g12000.0410.2580.29022000.0160.2900.31232000.0400.2170.28542000.0280.2240.24452000.0200.2040.21462000.0380.1700.20472000.0020.1950.17082800.0000.2970.11192800.0020.2710.121:TA:20ppm,pH:6.0,:203(CuFe)(ICP)CuFe(%)0.014.755%(%)4.028.94(%)4.279.50(%)3.388.683,:(1)TA:20ppm,pH:6.0,:20,5%Cu/5%Fe/0.2900.258mg/g,6-7.(2),CuFe5%.(3)pH,pH6.(4),..Cu/Fe/,,Cu/Fe/.200280,Fe/,Cu/.,//.:1,,.J.,2008,28(6):68-71.2,,.COFJ.,2008,24(13):55-57.3,.J.,2003,29(8):16-19.4,,.J.,2001,14(2):66-71.5MajedaAMK,YahyaSA,WendyAMM.,ChemicalEngineeringJournal,2004,99:177-184.6Al-GhoutiMA,KhraishehMAM,AhmadMM,AllenSJ,JournalofHazardousMaterials,2007,146:316-327.7WuJ,YangYS,LinJ,JournalofHazardousMaterials,2005,127:196-203.8EminE,GulayC,RamazanD,JournalofColloidandInterfaceScience,2005,282:314-319.9,,.,J.2006,25(10):25-26.3471:Fe(Cu)/OntheTreatmentofTerephthalicAcidWastewaterthroughFe(Cu)/DiatomiteSorbentsWangHongfeiZhouWeiganWangXiaoqinLvXuliLinghuWensheng(CollegeofChemistry&ChemicalEngineering,ShaoxingUniversity,Shaoxing,Zhejiang,312000)Abstract:Thepaperisfocusedontheadsorption-catalyticoxidationofdyeingwastewaterviadiatomitesupportedFe(Cu)sorbentwhichhasbeenpreparedintheincipientwetnessimpregnationmethod,withTerephthalicacid(TA)asamodelcompound.TheprocessconsistsofthephysicaladsorptionofTAanddecompositionofTA.TheresultsshowthatbothCu/diatomiteandFe/diatomitehavearemarkablygreateradsorptioncapacityforTAthanpurediatomite.Thetestofnineadsorption-oxidationcycleon5%Cu/diatomiteand5%Fe/diatomiteshowsthattheadsorptioncapacityofthesorbentsdecreaseswiththeincreaseoftheadsorption-regenerationcycle.Theadsorptioncapacityof5%Fe/di2atomitecanreturntothelevelof5%freshFe/diatomitewhenregenerationtemperaturerisesfrom200Cto280C.Keywords:Fe(Cu)/diatomite;diatomite;adsorption;terephthalicacid(33)5T.Kusche,R.MennickenandM.MÊler,Friedrichsextensionandessentialspectrumofasystemofsingulardifferen2tialoperatorsofmixedorder,Math.Nachr.278,1591-1606(2005).6D.B.HintonandJ.K.Shaw,OnboundaryvalueproblemsforHamiltoniansystemswithtwosingularpoints.SIAM.Math.Anal.Vol.15,NO.2(1984),272-286.7A.M.Krall,M()theoryforsingularHamiltoniansystemswithonesingularpoint,SIAM.J.Math.Anal.Appl.V.20.3(1989),664-700.8JiangangQiandSongpingZhou,Limit-PointCriterionforDiracdifferentialSystems.Compu.Math.withAppli.49,2005.OnDeficiencyIndexofMatrixDifferentialOperatorsofMixedOrderLiLiangQiJiangang(1.ZhejinagRadio&TVUniversity,YuhangBranch,Hangzhou,Zhejiang,311100;2.ShandongUniversity,Wei2haiBranch,Weihai,Shandong,264209)Abstract:Thepresentpaperdealswiththedeficiencyindexofmatrixdifferentialoperatorsofmixedorder.Bytrans2formingtheoperatorintoHarmiltoniadifferentialsystemsequivalenttosquareintegrableinsuitableHilbertspaces,thepaperattemptstoproposeseveraltheoremsonmatrixdifferentialoperatorsthatdistinguishalimit-pointcasefromalimit-circleone.Keywords:matrixdifferentialoperatorsofmixedorder;Hamiltoniaoperator;deficiencyindex;limit-circle/limit-pointcase44()29