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1、AdvancesinMaterialChemistry材料化学前沿,2014,2,21-31PublishedOnlineApril2014inHans.http://www.hanspub.org/journal/amchttp://dx.doi.org/10.12677/amc.2014.22004ThePreparationandAdsorptionPropertiesofNi-AlHydrotalciteBasedonChitosanQiurongLi*,LifangBo,HongxiaoLu,YihanWang,HongyingLiCollegeofEnvironmentala
2、ndChemicalEngineering,YanshanUniversity,HebeiKeyLaboratoryofAppliedChemistry,Qinhuangdao*Email:qiurong@ysu.edu.cnththndReceived:Feb.15,2014;revised:Mar.12,2014;accepted:Mar.22,2014Copyright©2014byauthorsandHansPublishersInc.ThisworkislicensedundertheCreativeCommonsAttributionInternationalLicense(
3、CCBY).http://creativecommons.org/licenses/by/4.0/AbstractInthisstudy,microwaveassistedmethodwasusedforpreparingchitosanbasedNiAl-hydrotalcite,andNiAl-hydrotalciteswithandwithoutcalcinationwereusedintheadsorptionoffluoridefromaqueoussolution.Variousconditionssuchasadsorbentdosage,solutionpHvalue,c
4、o-existinginterferingionsandcalcinationtemperatureetc.,wereinvestigated.TheadsorptionmechanismwasstudiedbycontrastinganalysisofX-raydiffractpatternandFTIRofas-preparedsamplebe-foreandafteradsorption,andthesamplewascharacterizedbyTG-DTAandTEM.Theresultsin-dicatedthatthestructureofchitosanbasedNiAl
5、-hydrotalcitewouldbedestroyedwhenthecalci-nationtemperatureishigher.Adsorptionpropertiesofthesamplewithoutcalcinationwerebetterthanthoseofthecalcinedsample.Thelowerfluorineionconcentrationwasbeneficialtoadsorp-tionofhydrotalcite,whentheadsorbentdosagewas0.2g/L,theremovalratewas85.78%.Ithadthebest
6、removalefficiencywhenthepHofsolutionwasintherangeof6to7,andstrongacidandstrongbasewerenotconducivetotheadsorptionoffluorideion.KeywordsChitosan,NiAl-Hydrotalcite,FluorideIon,Adsorption壳聚糖基镍铝水滑石的制备及吸附性能*李秋荣，薄荔方，卢弘骁，王绎涵，李红营燕山大学环境与化学工程学院，河北省应用化学重点实验室，秦皇岛*Email:qiurong@ysu.edu.cn*通讯作者。21壳聚糖基镍铝水滑石的制备及
7、吸附性能收稿日期：2014年2月15日；修回日期：2014年3月12日；录用日期：2014年3月22日摘要本文采用微波辅助合成壳聚糖基Ni-Al水滑石(LDHs)，研究了焙烧水滑石(C-LDHs)以及未焙烧水滑石(LDHs)对水溶液中氟离子的吸附行为，以壳聚糖基Ni-Al水滑石为吸附剂，研究了吸附剂用量、pH值、干扰离子、焙烧温度等对水中氟离子吸附的影响。同时用X射线衍射(XRD)和红外分析(FTIR)对LDHs以及吸附氟离子后的L
