| TiO_2/NiPECO体系降解DMP的动力学和光电协同作用研究 | |
| 李悦 ; 王鹏 ; 赵宝秀 ; Li Yue ; Wang Peng ; Zhao Baoxiu | |
| 2010-06-10 ; 2010-06-10 | |
| 关键词 | 镍基二氧化钛光电极 光电催化氧化 邻苯二甲酸二甲酯 动力学 光电协同作用 TiO2/Ni photoelectrode PECO DMP kinetics photo-electro cooperation X703 |
| 其他题名 | Kinetic and photo-electro cooperation effect on degrading dimethy phthalate in TiO_2/Ni PECO system |
| 中文摘要 | 以采用微波辅助法制备的TiO2/Ni光电极为阳极,纤维状石墨毡材料(graphite felt,GF)为阴极,饱和甘汞电极(saturated calomel electrode,SCE)为参比电极建立TiO2/Ni光电催化氧化(PECO)体系。以邻苯二甲酸二甲酯(dimethyphthalate,DMP)为目标物,研究其光电催化降解反应动力学和光电协同作用。结果显示:DMP的降解符合拟一级动力学规律;当DMP初始浓度一定时,影响DMP光电催化降解速率的因素由强到弱依次为:催化剂有效面积,紫外光强度,曝氧速率,外加偏转电压等。实验证明本体系中光电之间具有协同作用。; A TiO2 /Ni photoelectrocatalytic oxdition(PECO) system was established with TiO2/Ni photoelectrode prepared by microwave-assisted method as anode,graphite felt(GF) as cathode and saturated calomel electrode(SCE)as reference electrode.DMP(dimethy phthalate) was used as target compound to investigate the photoelectrocatalytic degradation kinetics and photo-electro cooperation effect.The result shows that degradation of DMP accords with pseudo first-order kinetics law.When initial concentration of DMP was kept constant,factors influencing the photoelectrocatalytic degradation rate were obtained,which were,from strong to weak,effective area of TiO2/Ni photoelectrode,UV light intensity,oxygenation rate and external deflection voltage.Photoelectric had a synergistic effect on the degradation of DMP.; 国家自然科学基金资助项目(50678045) |
| 语种 | 中文 ; 中文 |
| 内容类型 | 期刊论文 |
| 源URL | [http://hdl.handle.net/123456789/65737]  |
| 专题 | 清华大学 |
| 推荐引用方式 GB/T 7714 | 李悦,王鹏,赵宝秀,等. TiO_2/NiPECO体系降解DMP的动力学和光电协同作用研究[J],2010, 2010. |
| APA | 李悦,王鹏,赵宝秀,Li Yue,Wang Peng,&Zhao Baoxiu.(2010).TiO_2/NiPECO体系降解DMP的动力学和光电协同作用研究.. |
| MLA | 李悦,et al."TiO_2/NiPECO体系降解DMP的动力学和光电协同作用研究".(2010). |
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