Preparation and Thermodynamics Adsorption Performance of Cobalt Ions on the Crosslinked Starch Microspheres

被引：0
|
作者：
Yang, Liyan [1 ]
Guo, Yihui [2 ]
Yu, Lili [1 ]
机构：
[1] Xian Med Univ, Coll Pharm, Xian 710021, Shaanxi, Peoples R China
[2] Xian Int Studies Univ, Sch Trasnlat Studies, Xian 710128, Peoples R China
来源：
ADVANCES IN ENVIRONMENTAL TECHNOLOGIES, PTS 1-6 | 2013年 / 726-731卷
关键词：
cross-linked starch microspheres; cobalt ions; adsorption mechanism; thermodynamics adsorption;
D O I：
10.4028/www.scientific.net/AMR.726-731.435
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
A type of cross-linking starch microspheres (CSMs) has been synthesized by reversed phase suspension method using soluble starch as raw material. Crosslinked starch microsphere has good adsorption performance to metal ions in water. The static adsorption behaviors of Co2+ on the cross-linked starch microspheresand were investigated. The CSMs and its adsorption product were comparatively characterized by Fourier Transform Infrared Spectroscopy (FTIR.). The adsorption behaviour of CSMs in different temperatures is in agreement with the Freundlich isothermal equation and isothermal equation of Langmiur. The thermodynamic parameters of adsorption process indicate that entropy is the main adsorption driving force, and physical adsorption is main about the adsorption behaviors of CSMs on Co2+.These data are helpful for the adsorption separation of metal ions and the treatment of the wastewater containing Co2+.
引用
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页码：435 / +
页数：2
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