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1、AdvancesinMaterialChemistry材料化學(xué)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殼聚糖基鎳鋁水滑石的制備及吸附性能*李秋榮，薄荔方，盧弘驍，王繹涵，李紅營燕山大學(xué)環(huán)境與化學(xué)工程學(xué)院，河北省應(yīng)用化學(xué)重點(diǎn)實(shí)驗(yàn)室，秦皇島*Email:qiurong@ysu.edu.cn*通訊作者。21殼聚糖基鎳鋁水滑石的制備及
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；錄用日期：2014年3月22日摘要本文采用微波輔助合成殼聚糖基Ni-Al水滑石(LDHs)，研究了焙燒水滑石(C-LDHs)以及未焙燒水滑石(LDHs)對水溶液中氟離子的吸附行為，以殼聚糖基Ni-Al水滑石為吸附劑，研究了吸附劑用量、pH值、干擾離子、焙燒溫度等對水中氟離子吸附的影響。同時用X射線衍射(XRD)和紅外分析(FTIR)對LDHs以及吸附氟離子后的L
