改性蔗渣纤维素水处理剂的合成及吸附性能研究杨联敏

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:1002-8743(2008)03-0073-051,2(1.柳州医学高等专科学校,广西柳州545006;2.广西师范学院化学系,广西南宁530001) :,、、EDTA、,、MFCS.,95%.:;;;;:O636.11  :A,,、,,,[1].,,———MFCS,MFCSCu(Ⅱ),Cr(Ⅵ),Pb(Ⅱ),Zn(Ⅱ).1 1.1 仪器、原料及试剂:Z8000(),78-1A(),HK-1B(),NicoletNexus470FT-IR(Nicolet),D/max2500VX.();、、、、、EDTA、,;(DMDAAC).1.2 改性蔗渣纤维素水处理剂的制备,,、.::2008-06-14:(1977-),,,,,.20089             ()Sep.2008253     JournalofGuangxiTeachersEducationUniversity(NaturalScienceEdition)Vol.25No.3DOI:10.16601/j.cnki.issn1001-8743.2008.03.016X,M,MFCMFCS:MFC-1,MFCS-1 CH2=CH-CONH2MFC-2,MFCS-2 NH2(CH2)2NH2MFC-3,MFCS-3 EDTAMFC-4,MFCS-4 DMDAAC1.2.1MFC[2][3]1006g,22%NaOH,20min,24h,,,,H2SO4pH,KMnO4,85℃,5h,,,4MFC,.1.2.2 MFCS[4][5]1.2.1MFC,NaOH,1.8mLCS2,1h,10min5%MgSO4,,,50℃4MFCS.1.3 MFCS的应用及吸附性能的测定[6]1.3.1 MFCS,pH,30min,,,,.1.3.2 ,.1.3.3 MFCS,MFCS,10%,,,,MFCS.1.3.4 MFCS,,MFCS.1.4 MFCS的结构测定NicoletNexus470FT-IRMFCS-3.D/max2500VXCell-OH,MFCS-3X.2 2.1 吸附选择性MFCSQ,1.MFCSCu(Ⅱ)Zn(Ⅱ)Cr(Ⅵ)Pb(Ⅱ).1 MFCSCu(Ⅱ)Cr(Ⅵ)Cr(Ⅵ)Zn(Ⅱ)Zn(Ⅱ)Pb(Ⅱ)QCu(Ⅱ)QCr(Ⅵ)QCr(Ⅵ)QZn(Ⅱ)QZn(Ⅱ)QPb(Ⅱ)MFCS-11.2510.2460.3111.0211.0130.197MFCS-21.9870.4170.4301.9862.0030.316MFCS-32.1820.4890.5152.0062.0120.466MFCS-41.6050.3520.3461.4621.4500.251·74   ·       ()             252.2 重复使用性MFCS-2MFCS-3Cu(Ⅱ),10%5,2.5,MFCS-2MFCS-315.6%12.7%,MFCS-2MFCS-3.2 MFCS-2MFCS-312345MFCS-22.812.702.492.252.06MFCS-32.982.812.642.532.35     12:50mL,2mmol/L.2.3 电镀废水的处理及结果分析,3,4,5,6,MFCS,.MFCS-2MFCS-3.3 Cu(Ⅱ)Cu(Ⅱ)(mg/L)Cu(Ⅱ)(mg/L)(%)(mg/L)MFCS-10.1796.4MFCS-20.0299.6MFCS-34.6801001MFCS-40.0998.114 Zn(Ⅱ)Zn(Ⅱ)(mg/L)Zn(Ⅱ)(mg/L)(%)(mg/L)MFCS-11.1396.2MFCS-20.4698.5MFCS-330.010.3298.93MFCS-40.6497.95 Cr(Ⅵ)Cr(Ⅵ)(mg/L)Cr(Ⅵ)(mg/L)(%)(mg/L)MFCS-10.5095.3MFCS-20.3596.8MFCS-311.090.1998.30.5MFCS-40.4196.36 (mmol/g)Cu(Ⅱ)(×10-3)Cr(Ⅵ)(×10-2)Zn(Ⅱ)(×10-2)MFCS-19.526.002.75MFCS-29.846.142.79MFCS-39.886.162.83MFCS-49.696.112.78  36:50mL,0.37g.3       ,:·75   ·3 MFCS3.1 红外光谱分析12,MFCS-31450cm-1C-S,-O-CSSH.,1100cm-1C-N.MFCS-3.3.2 X射线衍射图分析3,2θ=14.863,16.341*,22.679*,34.042*,34.475*,MFCS-32θ=14.863*,16.341*,34.042*,34.475*,22.679*.MFCS-32θ=38*,58*,.,.4  ,、MFCS-1~MFCS-4,,.·76   ·       ()             25(1)KMnO4/H2SO4,85℃,5h.(2)EDTAMFCS-2MFCS-3、,,.(3)MFCS95%.MFCS10%.(4)MFCS,.MFCS、、、.MFCS,,.:[1].[M].:,1985.[2]SHIGEON,MASATOA,YASUOS,etal.Preparationofaminoalkylcellulosesandtheiradsorptionanddesorptionofheavymetalions[J].JournalofAppliedPolymerScience,1992,45(2):265-271.[3]BurrRC,FantaGF,DoaneWM.GraftPolymerizationofStarhwisthMixtureofAcrylonitrileand2 Acrylamido-2-Metlypyopane-SulfonicAcid[J].ApplPolymSci,1979,(24):1367-1389.[4],.[J].,1995,(9):18-21.[5],,,.、[J].,2003,24(4):719-723.[6]IkhuoriaEU,OkieimenFE.Scavengingcadmium,copper,lead.nickelandzincionsfromaqueoussolutionbymodifiedcellulosicsorbent[J].IntJEnviron,Stud,2000,57(4):401-409.OnPreparationandAbsorptionPropertyofModifiedSugarcaneBagasseCelluloseWaterTreatmentChemicalsYANGLian-min1,CHENGWen-na2(1.LuizhouMedicalCollege,Luizhou545006,China;2.DepartmentofChemistry,GuangxiTeachersEducationUniversity,Nanning530001,China)Abstract:SugarcaneBagassecellulosewastreatedbyalkalization,thengraftcopolymerizationofacry-lamide,ethylenediamine,endratedisodium,dimethyldiallylammoniumchloridewasrespectivelyputtoalkli-celluseforreaction.Afterthat,cellulosewatertreatmentchemicalscontainingsulfurandnitrogenweresynthesizedbythegraftcopolymerreactingwithcarbondisulfide.Theabsorptionpropertiesoftheab-sorbentsforheavymetalionswerestudied.Itwasfoundthatthewatertreatmentchemicalscontainingsul-furandnitrogenpossessedhighcapacitiesforheavymetalions.Theelectroplateswastewaterremovalofheavymetalionsintheratecanreachmorethan95percent.Keywords:modifiedsugarcanebagassecellulose;watertreatmentchemicals;synthetise;absorption;heavymetalions[:]3       ,:·77   ·

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