Fast removal of Pb^(2+) from water using new chelating fiber modified with acylamino and amino groups

查看全文 作　　者：Ying [1]Meng;Jin Nan [1]Wang;Li [1]Xu;Ai Min [1]Li

机构地区：[1]State Key Laboratory of Pollution Control and Resource Reuse&School of the Environment,Nanjing University,Nanjing 210046,China

出　　处：《Chinese Chemical Letters》索引2012年第23卷第4期,共4页

基　　金：support provided by the National Science Funds for Young Scientists(No. 51008152);the Nature Science Fund of Jiangsu Province(No.BK2010381);the Fundamental Research Funds for the Central Universities 摘　　要：The graft copolymerization of acrylic acid(AA) onto polyethylene glycol terephthalate(PET) fiber initiated by benzoy peroxide (BPO) was carried out in heterogeneous media.Moreover,modification of the grafted PET fiber(PET-AA) was done by changing the carboxyl group into acylamino and amino groups through the reaction with ethylenediamine.The new modified chelating fiber (NDWJN6) was characterized using elementary analysis,SEM and FT-IR spectroscopy.Adsorption kinetic curve indicated that NDWJN6 could fastly remove Pb^(2+) from water,and adsorption isotherm also indicated that NDWJN6 had high equilibrium adsorption capacity for Pb^(2+). 关键词：螯合纤维氨基除水酰胺基改性除铅吸附动力学吸附等温线

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Fast removal of Pb^(2+) from water using new chelating fiber modified with acylamino and amino groups

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