Preparation and adsorption properties of dialdehyde 8-aminoquinoline starch

被引：8

作者：

Ding, Wen ^{[1
,2
]}

Zhai, Shen-yong ^{[2
]}

Liu, Jun-tao ^{[1
]}

Wang, Rou ^{[1
]}

Li, Rong ^{[1
]}

机构：

[1] Lanzhou Univ, Coll Chem & Chem Engn, State Key Lab Appl Organ Chem, Lanzhou 730000, Peoples R China

[2] Zibo Ctr Dis Control & Prevent, Zibo 255000, Peoples R China

来源：

WATER SCIENCE AND TECHNOLOGY | 2013年 / 67卷 / 02期

关键词：

adsorption; dialdehyde 8-aminoquinoline starch; dialdehyde starch; heavy metals; AQUEOUS-SOLUTIONS; HEAVY-METALS; REMOVAL;

D O I：

10.2166/wst.2012.551

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Dialdehyde 8-aminoquinoline starch (DASQA) was synthesized by the reaction of dialdehyde starch (DAS) and 8-aminoquinoline and was used to adsorb various ions from aqueous solution. DASQA was characterized by Fourier transform infrared (FT-IR) spectra, thermogravimetric analysis, X-ray diffraction analysis. The adsorption properties of the polymer for Pb2+, Cu2+, Cd2+, Ni2+, and Zn2+ were investigated. The result of the experiment reveals that the adsorption for Cd2+ and Zn2+ were approximately 2.51 mmol/g, 2.17 mmol/g, followed by Pb2+ 1.93 mmol/g, Ni2+ 1.66 mmol/g, Cu2+ 1.19 mmol/g. Furthermore, the kinetic experiments indicated that the adsorption of DASQA for the above metal ions achieved equilibrium within 2 h. Therefore, DASQA is an effective adsorbent for the removal of different heavy metal ions from industrial waste solutions.

引用

页码：306 / 310

页数：5

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