胺基稻草纤维的制备及对电镀废水中省略2Cu2Zn2的吸附谭婷

316June201120116ModernChemicalIndustryFe3+、Ni2+、Cu2+、Zn2+122321．6100652．6100653．610500Fe3+、Ni2+、Cu2+、Zn2+、X。Fe3+、Ni2+、Cu2+、Zn2+Fe、Ni、Cu、Zn。X703A0253－4320201106－0045－03PreparationofmodifiedricestrawfibersanditsadsorptionofFe3+Cu2+Ni2+Zn2+inplatingwastewaterTANTing1XUXiu-cheng2YANGChen2YANGDe-min3ZHUXiao-fan21．CollegeofArchitectureandEnvironmentSichuanUniversityChengdu610065China2．AnalyticalandTestingCenterSichuanUniversityChengdu610065China3．SchoolofChemistryandChemicalEngineeringSouthwestPetroleumUniversityChengdu610500ChinaAbstractThericestrawstalkisusedasrawmaterialforpreparationofmanymodifiedaminofibersviachlorinationandaminating．ThemodifiedaminoricestrawfibersareusedforabsorbingtheheavymetalionsFe3+Ni2+Cu2+andZn2+inplatingwastewater．ThesurfacemorphologyandthestructureofmodifiedfibersarecharacterizedbySEMandXRD．Theresultsshowthattheethylenediamine-basedstrawfiberhasgoodadsorbabilityofFe3+Ni2+Cu2+andZn2+inplatingwastewatercomparedwiththestrawfiberrawmaterialsandotheraminomodifiedricestrawfiber．Theadsorptioncapacityofthemodifiedaminoricestrawfibersforheavymetalionsdependsontheirnitrogencontent．Keywordsricestrawstalkmodifiedfiberplatingwastewaterheavymetalions2011－01－261986－1962－、[e-mail]。。D－β－14－321。1－2。3－6。Fe3+、Ni2+、Cu2+、Zn2+、X。11.120NN－DMF、、、、、、、Fe3+、Ni2+、Cu2+、Zn2+1.0g/L。FEIInspectFSEMX’PertProMPDXXRDVarianSpectraAA220FSEuroVectorS.P.AEuroEA3000。1.2·54·DOI:10.16606/j.cnki.issn0253-4320.2011.06.0273161。1Fe3+Ni2+Cu2+Zn2+pH/mg·mL－151.492.6910.4833.404.791.32。①10gDMF12h200mL5%POCl3DMF80℃1hDMF、50%、70℃15h②80℃1h7。1.41.0g/LFe3+、Ni2+、Cu2+、Zn2+1h1h。1.53g25mL20min10mLFe3+、Ni2+、Cu2+、Zn2+。1.6C、HNX。22.1SEMSEM1。1a、1b、、。aSEMbSEM1SEM2.2XRD2。。2XRD2.3、、、Fe、Ni、Cu、Zn。32。3Fe3+、Ni2+、Cu2+、Zn2+。、。·64·20116Fe3+、Ni2+、Cu2+、Zn2+1—Fe2—Ni3—Cu4—Zn5—/%3Fe3+、Cu2+、Ni2+、Zn2+2N、C、H%CHN37.5405.4301.36032.9605.0901.51032.6505.3902.52034.2705.3902.16035.3305.4501.17031.6105.0594.27736.7795.8643.944—NH2。32。N。。。2.4Fe3+、Ni2+、Cu2+、Zn2+4Fe3+、Ni2+、Cu2+、Zn2+。4。Fe3+、Ni2+、Cu2+、Zn2+。20minFe3+、Ni2+、Cu2+、Zn2+99%aFe3+bNi2+cCu2+dZn2+1—2—4Fe3+、Ni2+、Cu2+Zn2+。3。Fe3+、Ni2+、Cu2+、Zn2+。。Fe3+、Ni2+、Cu2+、Zn2+。1．J．20072219－18．2．J．2009284828－832．3．、J．2003244719－723．4．Pb2+、Ni2+、Co2+J．200640435－37．5daSilvaFilhoECdeMeloJCAiroldiC．Preparationofethylenedi-amine-anchoredcelluloseanddeterminationofthermo-chemicaldatafortheinteractionbetweencationsandbasiccentersatthesolid/liq-uidinterfaceJ．CarbohydrateResearch2006341172842－2850．6．J．200824782－84．7．J．2009361089－1093．■·74·