[1]丁立稳,乔支卫,汤建萍.交联木薯淀粉微球对Fe~(3+)的吸附研究[J].江西师范大学学报(自然科学版),2012,(03):307-312.
 DING Li-wen,QIAO Zhi-wei,TANG Jian-ping.The Study on the Adsorption Performance of Fe3+ on Crosslinked Cassava Starch Microspheres[J].,2012,(03):307-312.
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交联木薯淀粉微球对Fe~(3+)的吸附研究()
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《江西师范大学学报》(自然科学版)[ISSN:1006-6977/CN:61-1281/TN]

卷:
期数:
2012年03期
页码:
307-312
栏目:
出版日期:
2012-05-01

文章信息/Info

Title:
The Study on the Adsorption Performance of Fe3+ on Crosslinked Cassava Starch Microspheres
作者:
丁立稳;乔支卫;汤建萍
江西师范大学化学与化工学院,江西南昌330022
Author(s):
DING Li-wen QIAO Zhi-wei TANG Jian-ping
关键词:
木薯淀粉微球 Fe3+吸附吸附等温方程
Keywords:
crosslinked cassava starch micrcospheres Fe3+ adsorption adsorption isothermal equation
分类号:
TS236.9
文献标志码:
A
摘要:
以木薯淀粉为原料,通过逆向悬浮聚合法合成交联木薯淀粉微球(CCSM),研究了合成的交联木薯淀粉微球对 Fe3+的吸附行为,利用红外光谱仪、X-射线衍射和热分析仪对木薯淀粉微球及其吸附产物进行了表征,研究其吸附机理.实验结果表明: CCSM 主要通过物理吸附、配位吸附方式来吸附 Fe3+;在 pH 值为4时交联木薯淀粉微球对 Fe3+吸附效果最好;在给定研究浓度范围内, CCSM 对 Fe3+的吸附等温线符合 Freundlich吸附等温方程
Abstract:
Crosslinked cassava starch microspheres(CCSM) were prepared by crosslinking of cassava starch and N, N′-methylene-bis-acrylamide(MBA) in inverse suspension. The static adsorption behavior of CCSM toward Fe3+ was investigatied at different temperatures and the adsorption mechanism was discussed. The structures of CCSM before and after adsorption were characterizated by Fourier transform infrared spectroscopy (FTIR)、X-ray diffractometer (XRD) and theromoanalysis instrument. The adsorption results showed that the CCSM have better adsorption property towords Fe3+ when pH of solution is 4, and the adsorption behavior of CCSM towards Fe3+ is adapted to isothermal equation of Freundlich in the experimental conditions. The Fe3+ was adsorbed by means of physical adsorption and weakly complexation.

参考文献/References:

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更新日期/Last Update: 1900-01-01