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[1]武泽林,熊惠之,喻湘华,等.聚苯胺-多糖复合凝胶的制备及其染料吸附性能[J].武汉工程大学学报,2017,39(04):348-352.[doi:10. 3969/j. issn. 1674?2869. 2017. 04. 007]
　WU Zelin,XIONG Huizhi,YU Xianghua,et al.Synthesis of Polyaniline-Polysaccharide Composite Hydrogels for Dye Adsorption[J].Journal of Wuhan Institute of Technology,2017,39(04):348-352.[doi:10. 3969/j. issn. 1674?2869. 2017. 04. 007]
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聚苯胺-多糖复合凝胶的制备及其染料吸附性能(/HTML)
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《武汉工程大学学报》[ISSN:1674-2869/CN:42-1779/TQ]

卷:
39
期数:
2017年04期
页码:
348-352
栏目:
材料科学与工程
出版日期:
2017-10-14

文章信息/Info

Title:
Synthesis of Polyaniline-Polysaccharide Composite Hydrogels for Dye Adsorption
文章编号:
20170407
作者:
武泽林; 熊惠之; 喻湘华; 李　亮*
武汉工程大学材料科学与工程学院，湖北 武汉 430205
Author(s):
WU Zelin; XIONG Huizhi; YU Xianghua; LI Liang*
School of Materials Science and Engineering，Wuhan Institute of Technology，Wuhan 430205，China
关键词:
聚苯胺; 多糖; 凝胶; 染料; 吸附
Keywords:
polyaniline; polysaccharide; hydrogel; dye; adsorption
分类号:
TQ424.3；X788
DOI:
10. 3969/j. issn. 1674?2869. 2017. 04. 007
文献标志码:
A
摘要:
为进一步扩展聚苯胺的用途，在聚苯胺的形成过程中加入多糖（如海藻酸钠、壳聚糖等），植酸作为掺杂剂与凝胶促进剂，一步反应得到了聚苯胺-多糖复合凝胶. 通过傅里叶红外谱和扫描电子显微镜，对产物的结构与微观形貌进行表征. 通过紫外可见光光谱，研究了聚苯胺-多糖复合凝胶对于刚果红、甲基橙和亚甲基蓝等染料的吸附能力，并利用准二级动力学模型研究了其对刚果红吸附行为的吸附动力学. 研究结果表明，聚苯胺-多糖复合凝胶具有选择吸附性，对刚果红的吸附效果远大于甲基橙和亚甲基蓝. 刚果红的吸附率大于95%，最大吸附量可达57.7 mg/g. 聚苯胺-多糖复合凝胶对于刚果红的吸附行为可以用准二级动力学模型进行很好拟合，这些特征表明聚苯胺-多糖复合凝胶有望用于染料废水处理.
Abstract:
To expand the application of polyaniline，polysaccharide，such as sodium alginate or chitosan，was introduced into the reaction system of aniline polymerization. Polyaniline-polysaccharide composited hydrogels were successfully obtained in one-step reaction with the aid of phytic acid as both dopant and gel prompter. Fourier-transform infrared spectrometry and scanning electron microscopy were carried out to characterize the structure and morphology of polyaniline-polysaccharide composited hydrogels. Moreover，the dye （congo red， methyl orange，and methylene blue） adsorption properties of the as-prepared polyaniline-polysaccharide composited hydrogels were characterized by ultraviolet and visible spectrophotometry. Adsorption kinetics was studied by pseudo-second-order kinetic model. The result shows that polyaniline-polysaccharide composited hydrogels exhibit selective dye adsorption. The adsorption ability for congo red is better than that for methyl orange and methylene blue. The removal efficiency for congo red is greater than 95 % and the maximum adsorption capacity is about 57.7 mg/g. The adsorption kinetics is well simulated by pseudo-second-order kinetic model. These characteristics make polyaniline-polysaccharide composited hydrogen a promising candidate in the dye waste water treatment.

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备注/Memo

备注/Memo:
收稿日期：2016-12-16 基金项目：2016年省级大学生创新创业训练计划项目（201610490019） 作者简介：武泽林，硕士研究生. E-mail： [email protected]
更新日期/Last Update: 2017-08-04