Fe2O3凹凸棒土催化氧化处理印染废水的研究周雪

Fe2O3/　1,　2(1沭阳县城郊中学,江苏　沭阳　223600;2淮阴工学院化学工程系,江苏　淮安　223003)　:Fe2O3/,,pH、、。:0.25g,300mg/L,pH7.0,0.6mL,2h90%。:Fe2O3;;;StudyonPreparationofFe2O3/attapulgiteCatalystsforDyeingWastewaterZHOUXue1,ZHOUWei2(1OutskirtsMiddleSchoolofShuyangCounty,JiangsuShuyang223600;2DepartmentofChemicalEngineering,HuaiyinInstituteofTechnology,JiangsuHuai'an223003,China)Abstract:Fe2O3/attapulgitecatalystswerepreparedbyimpregnation.ExperimentalresultsshowedthatthepHvalue,catalystconcentrationandthetimeofreactioninfluencedthetreatmentofdyeingwastewater.Theoptimalconditionsweredeterminedasfollows:dosageofthecatalystwas0.25g,primaryconcentrationofdyeingwastewaterwas300mg/L,primarypHofdyeingwastewaterwas7.0,dosageofH2O2was0.6mL,thetimeofreactionwas2h,thecolorreductionwas90%intheend.Keywords:Fe2O3;attapulgite;impregnation;dyeingwastewater　　　　　　　　　　　　　:,,,。,,[1]。,,、、“”,。,,、,,[2]。,,[3]。。,,,,[4]。-,,。CWAO()WAO(),,,,[5]。、、CWAO[6]。,,,,,,[7-8]。Fe2O3/,H2O2。1　1.1　(AR)、(AR)、()、。1.2　JB-3()、DHG-9070A()、SX2()、752N()。2　2.1　Fe2O3/0.2MFe(NO3)312h,110℃2h,400℃3h,Fe2O3/。2.2　Fe2O3/Fe2O3/250mL,·156·200937750mL(),30%,,,。2.3　752N,。=(-)/×100%3　3.1　pHpHFe2O3/,0.1MNaOH0.1MHC1pH2.5、5.0、7.0、9.011.0,:0.2g,300mg/L,0.6mL,2h。PH1。1　pH1,pH。,,pH。,。pH6～7。3.2　,:0.2g,pH7.0,0.6mL,2h。2。2　2,,100mg/L300mg/L,;300mg/L,。3.3　Fe2O3/Fe2O3/,。:300mg/L,pH7.0,0.6mL,2h。Fe2O3/3。3　Fe2O3/3,H2O2,。Fe2O3/,。,,,。0.25g,。3.4　H2O2:0.2g,300mg/L,pH7.0,0mL、0.4mL、0.6mL、0.8mL、1.0mL、1.2mL1.4mL,2h。4。4　H2O24,H2O20,Fe2O3/,50%,。H2O2,,H2O21.0mL,。3.5　:0.2g,300mg/L,pH7.0,0.6mL,0.5h、1h、1.5h、2h、2.5h、3h3.5h,5。5:,,3h,,3h,。,。,3h。(下转第168页)·157·2009377。(5),,。(6),,,,,。5　[1]5.1　(1),,,,,。,,,,。(2),,,,。。(3),,,,,。5.2　(1),,,,,。,,,,,,。(2),,,。6　　,。,。,,,,,、,。,,,,,。[1]　.[M].:,1989.[2]　,.[J].,2001,30(3):122.[3]　.[J].,2001,21(3):22.(上接第157页)5　4　　(1)Fe2O3/。(2):0.25g、300mg/L,pH7.0,0.6mL,2h90%。[1]　,,.[J].,2007,32(11):89-92.[2]　,,.[J].2000,26(10):32-34.[3]　,.[M].:,1998.[4]　,.[J].,2003,8(2):14-19.[5]　,.[J].,2001,32(6):5-8.[6]　,,.[J].,2000,20(11):22-24.[7]　,,.[J].,2007,24(6):31-33.[8]　.[J].,1995,1(103):42-46.《》·168·2009377