Electrochemical incineration of dimethyl phthalate by anodic oxidation with boron-doped diamond electrode
文献类型:期刊论文
作者 | Hou Yining ; Qu Jiuhui ; Zhao Xu ; Liu Huijuan |
刊名 | JOURNAL OF ENVIRONMENTAL SCIENCES-CHINA
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出版日期 | 2009 |
卷号 | 21期号:10页码:1321-1328 |
关键词 | dimethyl phthalate anodic oxidation boron-doped diamond mineralization |
中文摘要 | The anodic oxidation of aqueous solutions containing dimethyl phthalate (DMP) up to 125 mg/L with sodium sulfate (Na(2)SO(4)) as supporting electrolyte within the pH range 2.0-10.0 was studied using a one-compartment batch reactor employing a boron-doped diamond (BDD) as anode. Electrolyses were carried out at constant current density (1.5-4.5 mA/cm(2)). Complete mineralization was always achieved owing to the great concentration of hydroxyl radical (-OH) generated at the BDD surface. The effects of pH, apparent current density and initial DMP concentration on the degradation rate of DMP, the specific charge required for its total mineralization and mineralization current efficiency were investigated systematically. The mineralization rate of DMP was found to be pH-independent and to increase with increasing applied current density. Results indicated that this electrochemical process was subjected, at least partially, to the mass transfer of organics onto the BDD surface. Kinetic analysis of the temporal change of DMP concentration during electrolysis determined by High Performance Liquid Chromatography (HPLC) revealed that DMP decay under all tested conditions followed a pseudo first-order reaction. Aromatic intermediates and generated carboxylic acids were identified by Gas Chromatography-Mass Spectrometry (GC-MS) and a general pathway for the electrochemical incineration of DMP on BDD was proposed. |
WOS记录号 | WOS:000271049700001 |
源URL | [http://ir.rcees.ac.cn/handle/311016/21671] ![]() |
专题 | 生态环境研究中心_环境水质学国家重点实验室 |
推荐引用方式 GB/T 7714 | Hou Yining,Qu Jiuhui,Zhao Xu,et al. Electrochemical incineration of dimethyl phthalate by anodic oxidation with boron-doped diamond electrode[J]. JOURNAL OF ENVIRONMENTAL SCIENCES-CHINA,2009,21(10):1321-1328. |
APA | Hou Yining,Qu Jiuhui,Zhao Xu,&Liu Huijuan.(2009).Electrochemical incineration of dimethyl phthalate by anodic oxidation with boron-doped diamond electrode.JOURNAL OF ENVIRONMENTAL SCIENCES-CHINA,21(10),1321-1328. |
MLA | Hou Yining,et al."Electrochemical incineration of dimethyl phthalate by anodic oxidation with boron-doped diamond electrode".JOURNAL OF ENVIRONMENTAL SCIENCES-CHINA 21.10(2009):1321-1328. |
入库方式: OAI收割
来源:生态环境研究中心
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