Preparation and characteristics of novel dialdehyde aminothiazole starch and its adsorption properties for Cu (II) ions from aqueous solution

被引：81
|
作者：
Yin, Qiang-Feng [1 ]
Ju, Ben-Zhi [1 ]
Zhang, Shu-Fen [1 ]
Wang, Xin-Bo [1 ]
Yang, Jin-Zong [1 ]
机构：
[1] Dalian Univ Technol, State Key Lab Fine Chem, Dalian 116012, Peoples R China
来源：
CARBOHYDRATE POLYMERS | 2008年 / 72卷 / 02期
基金：
国家高技术研究发展计划(863计划);
关键词：
dialdehyde starch; dialdehyde starch aminothiazole; Cu (II); adsorption;
D O I：
10.1016/j.carbpol.2007.08.019
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
Novel Schiff base type starch dialdehyde aminothiazole (DASAT) was synthesized by the reaction of aminothiazole and dialdehyde starch (DAS) from periodate oxidized corn starch. The DASAT was characterized by element analysis, FT-IR spectra and SEM. DASATs with different DS (0.29,0.46 and 0.78) of arninothiazole were prepared and their adsorption properties for Cu (II) ions from aqueous solution were investigated. Batch adsorption experiments were carried out as a function of adsorption time, pH, initial Cu (II) ions concentration and temperature. The adsorption follows the Langmuir isotherm and the adsorption capacity increases with the increasing DS of the DASAT. Moreover, the adsorption process is endothermic, and higher temperature is favorable to the adsorption of Cu (II) ions. (c) 2007 Elsevier Ltd. All rights reserved.
引用
收藏
页码：326 / 333
页数：8
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