| TiO2纳米管电极光电催化降解五氯苯酚 |
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| 引用本文： | 阮修莉,刘长峰,陈晓慧.TiO2纳米管电极光电催化降解五氯苯酚[J].水处理技术,2011,37(1). |
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| 作者姓名： | 阮修莉 刘长峰 陈晓慧 |
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| 作者单位： | 大连机工机械环保研究所,辽宁,大连,116023 |
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| 摘 要： | 研究了阳极氧化TiO2纳米管电极对五氯苯酚(PCP)光催化降解,考察了外加偏压、pH、电解质Na2SO4浓度以及光强对PCP降解的影响。试验结果表明,当外加偏压增大到0.6 V时,PCP的去除率在2 h的反应时间从74%提高到87.5%;酸性溶液有利于PCP的降解;提高Na2SO4浓度有利于电子的转移,从而改善PCP光降解效率;光强越强,产生的空穴越多,就越有利于PCP的光电催化降解。
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| 关 键 词： | 阳极氧化 TiO2纳米管电极 光电催化 五氯苯酚 |
PHOTOELECTROCATALYTIC DEGRADATION OF PENTACHLOROPHENOL USING TIO2NANOTUBES ELECTRODE |
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| Ruan Xiuli,Liu Changfeng,Chen Xiaohui.PHOTOELECTROCATALYTIC DEGRADATION OF PENTACHLOROPHENOL USING TIO2NANOTUBES ELECTRODE[J].Technology of Water Treatment,2011,37(1). |
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| Authors: | Ruan Xiuli Liu Changfeng Chen Xiaohui |
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| Affiliation: | Ruan Xiuli,Liu Changfeng,Chen Xiaohui(Dalian Engineering & Machinery Environmental Protection Institute,Dalian 116023,China) |
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| Abstract: | The photoelectrocatalytic degradation of PCP in aqueous solutions was investigated using TiO2 nanotubes obtained by anodic oxidation,and the effect factors such as bias potential,the initial pH value in solution,concentration of Na2SO4,light intensity were also performed in this study.The results suggested that photoelectrocatalysis of PCP for 2 h was enhanced from 74 % to 87.5%,when the potential increased from 0.0 V to 0.6 V.Na2SO4 concentration.The increasing acidity of this solution was benefit to the p... |
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| Keywords: | anodic oxidation TiO2 nanotubes electrode photoelectrocatalysis pentachlorophenol |
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