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修饰石墨基二氧化铅电极电催化氧化降解苯胺

Keywords: 修饰二氧化铅电极,电催化氧化,苯胺,模拟废水,动力学

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Abstract:

选择石墨作为基体,采用电沉积的方法制备出掺杂镧元素修饰的二氧化铅电极.通过对该电极进行XRD和SEM测试,发现电极的表面主要成分为β-PbO2,底层为α-PbO2;镧金属的氧化物嵌入到PbO2晶格当中,使晶形发生显著改变;电极表面致密均匀,空隙率大,利于对目标有机物吸附和发生电催化氧化反应.以该修饰电极为阳极,石墨电极为阴极,对苯胺模拟废水进行电催化氧化处理,分别考察了阴离子种类、电流密度、进水质量浓度、反应初始pH值对苯胺和COD去除率的单因素影响.该修饰二氧化铅电极对苯胺的电化学氧化降解反应基本符合一级反应动力学规律.

References

[1]  郑一雄.β-氧化铅电极在制备电解锰中的应用[J].无机盐工业,1999,31(2):13-15.ZHENG Yi-xiong.Application ofβ-PbO2 electrode in preparing electrolytic manganese[J].Inorganic Chemicals Industry,1999,31(2):13-15.(in Chinese)
[2]  周明华,戴启洲,雷乐成,等.新型二氧化铅阳极电催化降解有机污染物的特性研究[J].物理化学学报,2004,20(8):871-876.ZHOU Ming-hua,DAI Qi-zhou,LEI Le-cheng,et al.Electrochemical oxidation for the degradation of organic pollutants on anovel PbO2 anode[J].Acta Physico-Chimica Sinica,2004,20(8):871-876.(in Chinese)
[3]  吴辉煌.水中有机污染物电化学清除的研究进展[J].环境污染与防治,2000,22(4):39-42.WU Hui-huang.Advance in electrochemical methods for remediation of organic pollutants in water[J].EnvironmentalPollution&Control,2000,22(4):39-42.(in Chinese)
[4]  孙治荣,葛慧,张晓光,等.不同基体材料的载钯修饰电极的制备与比较[J].北京工业大学学报,2008,34(12):1314-1319.SUN Zhi-rong,GE Hui,ZHANG Xiao-guang,et al.Preparation and comparison of palladium-loaded electrodes on differentsubstrate materials[J].Journal of Beijing University of Technology,2008,34(12):1314-1319.(in Chinese)
[5]  王波,梁斌勇,李桂英,等.钛基RuOx-PdO电极电催化氧化降解苯胺研究[J].贵金属,2005,26(2):25-31.WANG Bo,LIANG Bin-yong,LI Gui-ying,et al.Electro-catalytic oxidative degradation of aniline with RuOx-PdO/Tielectrode[J].Precious Meatals,2005,26(2):25-31.(in Chinese)
[6]  魏复盛.水和废水监测分析方法[M].4版.北京:中国环境科学出版社,2002:210-467.
[7]  梁镇海,徐永生,樊彩梅.石墨基PbO2阳极的电化学性能[J].山西大学学报:自然科学版,2006,29(4):398-402.LIANG Zhen-hai,XU Yong-sheng,FAN Cai-mei.Electrochemical properties of graphite-based metal oxide anode[J].Journalof Shanxi University:Natural Sciences,2006,29(4):398-402.(in Chinese)
[8]  AI S Y,GAO M N,ZHANG W,et al.Preparation of Ce-PbO2 modified electrode and its application in detection of anilines[J].Talanta,2004,62(3):445-450.
[9]  赵国华,陈蕊,高廷耀.有机污染物苯胺在催化电极上氧化降解的途径[J].环境科学研究,2003,16(3):51-54.ZHAO Guo-hua,CHEN Rui,GAO Ting-yao.The ways of oxidative degradation of organic pollutant aniline on catalyticelectrodes[J].Resrarch of Environmental Sciences,2003,16(3):51-54.(in Chinese)

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