| 辉光放电等离子体氧化降解水中邻苯二甲酸二丁酯 |
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| 引用本文： | 王蕾,李国新,李岱霖,杨夏伟,林碧玲.辉光放电等离子体氧化降解水中邻苯二甲酸二丁酯[J].环境工程学报,2014,8(9):3577-3584. |
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| 作者姓名： | 王蕾 李国新 李岱霖 杨夏伟 林碧玲 |
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| 作者单位： | 厦门理工学院环境科学与工程学院厦门市水资源利用与保护重点实验室, 厦门 361024;厦门理工学院环境科学与工程学院厦门市水资源利用与保护重点实验室, 厦门 361024;厦门理工学院环境科学与工程学院厦门市水资源利用与保护重点实验室, 厦门 361024;厦门理工学院环境科学与工程学院厦门市水资源利用与保护重点实验室, 厦门 361024;厦门理工学院环境科学与工程学院厦门市水资源利用与保护重点实验室, 厦门 361024 |
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| 基金项目： | 国家自然科学基金资助项目（51008262）；厦门市科技计划项目（3502Z20133040，3502Z20110016）；中国科学院城市环境与健康重点实验室开放基金（KLUEH201104） |
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| 摘 要： | 研究了辉光放电等离子体降解水中典型的环境内分泌干扰物邻苯二甲酸二丁酯(DBP)及降解过程中过氧化氢(H2O2)的生成规律。考察了电解质种类、共存污染物(甲醇、叔丁醇)及催化剂等条件对DBP降解及H2O2生成的影响。结果表明,在硫酸钠溶液中DBP降解效率和H2O2生成速率最高;甲醇、叔丁醇等共存污染物对DBP降解和H2O2生成有抑制作用;Fe2+,Fe3+和Cu2+对DBP的降解有催化作用,其催化效果为Fe2+>Fe3+>Cu2+。用高效液相色谱、离子色谱及气质联用仪等仪器分析了降解中间产物,提出了可能的降解机理。
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| 关 键 词： | 邻苯二甲酸二丁酯 辉光放电等离子体 降解 |
Oxidative degradation of dibutyl phthalate induced by glow discharge plasma in aqueous solution |
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| Wang Lei,Li Guoxin,Li Dailin,Yang Xiawei and Lin Biling.Oxidative degradation of dibutyl phthalate induced by glow discharge plasma in aqueous solution[J].Techniques and Equipment for Environmental Pollution Control,2014,8(9):3577-3584. |
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| Authors: | Wang Lei Li Guoxin Li Dailin Yang Xiawei and Lin Biling |
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| Institution: | Key Laboratory of Water Resources Utilization and Protection of Xiamen, College of Environmental Science & Engineering, Xiamen University of Technology, Xiamen 361024, China;Key Laboratory of Water Resources Utilization and Protection of Xiamen, College of Environmental Science & Engineering, Xiamen University of Technology, Xiamen 361024, China;Key Laboratory of Water Resources Utilization and Protection of Xiamen, College of Environmental Science & Engineering, Xiamen University of Technology, Xiamen 361024, China;Key Laboratory of Water Resources Utilization and Protection of Xiamen, College of Environmental Science & Engineering, Xiamen University of Technology, Xiamen 361024, China;Key Laboratory of Water Resources Utilization and Protection of Xiamen, College of Environmental Science & Engineering, Xiamen University of Technology, Xiamen 361024, China |
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| Abstract: | Degradation of dibutyl phthalate (DBP, a typical kind of endocrine disrupting chemicals), and formation of hydrogen peroxide (H2O2) induced by glow discharge plasma in aqueous solution were investigated. Effects of supporting electrolytes, coexisting pollutants, and catalysts on the degradation of DBP and the formation of H2O2 were studied. Experimental results showed that removal of DBP and the formation of H2O2 were higher in sodium sulfate solution than those in sodium chloride. Both the DBP removal and the H2O2 formation rates decreased in the presence of coexisting pollutants, indicating that hydroxyl radicals were the most probable oxidants responsible for DBP degradation and the precursors of H2O2. Results show that the Fe2+, Fe3+ and Cu2+ have enhancing effects on DBP removal, with the sequence of Fe2+>Fe3+>Cu2+. Major intermediate products were identified by HPLC,IC, GC-MS,and the possible degradation mechanism was discussed. |
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| Keywords: | dibutyl phthalate glow discharge plasma degradation |
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