引用本文:
胡云虎, 王凤武, 徐迈, 方文彦, 魏亦军, 朱传高. NanoTiO2-聚苯胺复合膜电极电化学降解2,4,6-三硝基苯酚[J]. 应用化学,
2012, 29(7): 814-818.
doi:
10.3724/SP.J.1095.2012.00355
Citation: HU Yunhu, WANG Fengwu, XU Mai, FANG Wenyan, WEI Yijun, ZHU Chuangao. Electrochemical Degradation of 2, 4, 6-Tri-nitrophenol Using Electrodes of Ti/nanoTiO2-Pan[J]. Chinese Journal of Applied Chemistry, 2012, 29(7): 814-818. doi: 10.3724/SP.J.1095.2012.00355
Citation: HU Yunhu, WANG Fengwu, XU Mai, FANG Wenyan, WEI Yijun, ZHU Chuangao. Electrochemical Degradation of 2, 4, 6-Tri-nitrophenol Using Electrodes of Ti/nanoTiO2-Pan[J]. Chinese Journal of Applied Chemistry, 2012, 29(7): 814-818. doi: 10.3724/SP.J.1095.2012.00355
NanoTiO2-聚苯胺复合膜电极电化学降解2,4,6-三硝基苯酚
摘要:
利用溶胶-凝胶法和电化学聚合制得Ti/nanoTiO2-聚苯胺(PAn)复合膜电极,用X射线衍射仪、扫描电子显微镜及循环伏安法对电极的结构、表面形貌和电催化性能进行了表征。SEM测试表明,Ti/nanoTiO2-PAn电极上聚合的苯胺呈短纤维形貌,短纤维的直径较为均匀,为150 nm左右。以此电极进行电化学降解2,4,6-三硝基苯酚,在25℃,电解时间为180 min,电极间距离为2 cm,废水pH值在7~8之间,浓度为50 mg/L的2,4,6-三硝基苯酚模拟废水中COD,降解效率可达到41.2%。
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关键词:
- 电化学降解
- / 聚合
- / 三硝基苯酚
- / Ti/nanoTiO2-PAn
English
Electrochemical Degradation of 2, 4, 6-Tri-nitrophenol Using Electrodes of Ti/nanoTiO2-Pan
Abstract:
Polymerization of aniline on nanoTiO2 complex film electrode was achieved by sol-gel method and electrochemical polymerization technique.XRD,SEM and CV were used to characterize the structure and image of the nanoTiO2-PAn complex film.Loose short fiber and porous structure could be observed by SEM.The average particle size of crystal grains was 150 nm.The COD removal efficiency reached 41.2% for an artificial wastewater containing 50 mg/L 2,4,6-tri-nitrophenol under the conditions of 2 cm distance between the electrodes,pH=7~8 and 25℃.
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Key words:
- electrochemical degradation
- / polymerization
- / tre-nitrophenol
- / Ti/nanoTiO2-Pan
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