[1]丁立稳,汤建萍,王 雷.功能性交联木薯淀粉微球对Cr3+的吸附行为及吸附动力学研究[J].江西师范大学学报(自然科学版),2016,40(04):420-423.
　DING Liwen,TANG Jianping,WANG Lei.The Adsorption Behavior and Adsorption Kinetics of Cr3+on Functional Crosslinked Cassava Starch Microspheres[J].Journal of Jiangxi Normal University:Natural Science Edition,2016,40(04):420-423.
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功能性交联木薯淀粉微球对Cr3+的吸附行为及吸附动力学研究()
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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:
40
期数:
2016年04期
页码:
420-423
栏目:
出版日期:
2016-09-01

文章信息/Info

Title:
The Adsorption Behavior and Adsorption Kinetics of Cr3+on Functional Crosslinked Cassava Starch Microspheres
作者:
丁立稳; 汤建萍; 王 雷
江西师范大学化学化工学院,江西 南昌 330022
Author(s):
DING Liwen; TANG Jianping; WANG Lei
College of Chemistry and Chemical Engineering,Jiangxi Normal University,Nanchang Jiangxi 330022,China
关键词:
木薯淀粉微球;  Cr3+;  吸附动力学
Keywords:
crosslinked cassava starch microspheres;  Cr3+;  adsorption kintics performance
分类号:
TS 236.9
文献标志码:
A
摘要:
研究了功能性交联木薯淀粉微球(CMS)对环境污水中Cr3+的吸附行为及吸附动力学.实验以功能性交联木薯淀粉微球为吸附载体,考察其对Cr3+的吸附性能,研究了溶液的pH值和吸附温度对吸附效果的影响,分析吸附动力学过程,并计算出吸附方程.实验结果表明:木薯淀粉微球吸附Cr3+的最适合吸附pH值为3.5,在一定范围内,随着吸附温度的升高,吸附量增大; 吸附过程主要为液膜扩散为主的单分子层吸附过程.
Abstract:
In this paper,the adsorption behavior and adsorption kinetics performance of Cr3+on the functional crosslinked cassava starch microspheres were studied.In these experiments,using cassava starch microspheres as adsorption carrier,adsorption properties of Cr3+were investigated,and the effects of solution pH and adsorption temperature on the adsorption efficiency were discussed.Moreover the adsorption kinetics were studied and the adsorption equation was calculated.The results showed that the most suitable pH for the adsorption of Cr3+on cassava starch microspheres was 3.5.In a certain range,with the increase of the adsorption temperature,adsorption amount increased.It indicated that the adsorption process was mainly the single-molecular-layer adsorption process dominated by liquid film diffussion.

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相似文献/References:

[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.
　DING Li-wen,QIAO Zhi-wei,TANG Jian-ping.The Study on the Adsorption Performance of Fe3+ on Crosslinked Cassava Starch Microspheres[J].Journal of Jiangxi Normal University:Natural Science Edition,2012,(04):307.

备注/Memo

备注/Memo:
收稿日期:2015-09-27基金项目:国家自然科学基金(21301078)和江西师范大学校级课题(5498)资助项目.通信作者:汤建萍(1975-),男,江西丰城人,副教授,博士,主要从事天然产物开发与研究.
更新日期/Last Update: 1900-01-01