Adsorption of Methylene Blue on Starch Microsphere from Aqueous Solutions

被引:1
|
作者
Huo, Xiaoping [1 ]
Wang, Fang [2 ]
Deng, Deng [3 ]
Wang, Lei [4 ]
机构
[1] Xijing Univ, Xian 710123, Shaanxi Provinc, Peoples R China
[2] Shaanxi Inst Educ, Dept Chem, Xian 710061, Peoples R China
[3] Xian Modern Chem Inst, Xian 710065, Peoples R China
[4] Shaanxi Univ Sci & Technol, Minist Educ, Key Lab Auxiliary Chem & Technol Chem Ind, Xian 710021, Peoples R China
来源
关键词
starch microsphere; methylene blue; adsorption; CU2+;
D O I
10.4028/www.scientific.net/AMR.557-559.1109
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
In order to resolve the pollution of coloured wastewater, starch microsphere was used to absorb methylene blue from aqueous solutions in this paper. Starch microsphere is artificial starch derivative, can be synthesized by cross-linking reaction from crude starch and modified starch. The cross-linked starch microsphere was prepared from soluble starch and N, N'-methylenebisacrylamide, and starch microsphere has characteres of irregular appearance, uniform size, suitable swelling, three-dimensional network structure, suitable shell pore diameter and specific surface area, good mechanical intensity. The microporous structure of starch microsphere was determined using Scanning Electronic Microscopy (SEM). The adsorption capacity of starch microsphere to methylene blue was studied. It could be shown that the adsorption capacity increases with the increase of concentration of methylene blue. Also, the lower the temperature was, the bigger the adsorption capacity of SM was in the same concentration. So, starch microsphere could effectively absorb methylene blue from aqueous solutions and thus the influencing factors of the adsorption were discussed in detail.
引用
收藏
页码:1109 / +
页数:3
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