Synthesis of amidoxime chelating fiber and its adsorption properties for Cu(Ⅱ) ion

GENG Jiannuan; QIU Nongxue

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Synthesis of amidoxime chelating fiber and its adsorption properties for Cu(Ⅱ) ion

更新时间：2023-03-30

- Synthesis of amidoxime chelating fiber and its adsorption properties for Cu(Ⅱ) ion
- Journal of Radiation Research and Radiation Processing Vol. 25, Issue 2, Pages: 107-110(2007)
- 作者机构：
  
  1.中国环境管理干部学院生态学系　秦皇岛　066004
  2.陕西师范大学食品工程系　西安　710062
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GENG Jiannuan, QIU Nongxue. Synthesis of amidoxime chelating fiber and its adsorption properties for Cu(Ⅱ) ion. [J]. Journal of Radiation Research and Radiation Processing 25(2):107-110(2007)
DOI：

GENG Jiannuan, QIU Nongxue. Synthesis of amidoxime chelating fiber and its adsorption properties for Cu(Ⅱ) ion. [J]. Journal of Radiation Research and Radiation Processing 25(2):107-110(2007) DOI：

摘要

为获得用于吸附果汁中金属离子的螯合纤维，本工作以铜离子为吸附对象，研究了溶液的pH和吸附时间对偕胺肟螯合纤维的吸附性能的影响，并确定了其吸附等温线，对其解吸和再生进行了初步探讨，结果表明，该纤维吸附速度较快，20－30min即达到吸附平衡，其吸附性能受温度、pH等因素的影响，且其吸附过程符合Freundlich模型，此纤维可多次重复利用。

Abstract

In order to obtain the chelating fiber for adsorbing metal ions in apple juice, the effect of different conditions on adsorption properties of chelating fiber for Cu(II) ion were discussed, such as pH and the time of adsorption. The isotherm of adsorption has bee confirmed. The desorption and its regeneration were simply discussed, too. The results showed that the chelating fiber had good kinetic property and the adsorbed equilibrium completed almost within 20-30min. The adsorption properties was affected by the temperature and pH. The adsorption process fits the isothermal equation of Freundlich. The chelating fiber could be used repeatedly.

关键词

偕胺肟螯合纤维吸附Cu(Ⅱ)离子

Keywords

Chelating fiber containing amidoxime groupAdsorptionCu(Ⅱ) ions

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